[INFO] fetching crate arcmut 0.1.0...
[INFO] checking arcmut-0.1.0 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate arcmut 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate arcmut 0.1.0 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcmut 0.1.0
[INFO] finished tweaking crates.io crate arcmut 0.1.0
[INFO] tweaked toml for crates.io crate arcmut 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding matchers v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding windows v0.54.0 (latest: v0.58.0)
[INFO] [stderr]       Adding windows-core v0.54.0 (latest: v0.58.0)
[INFO] [stderr]       Adding windows-result v0.1.2 (latest: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-result v0.1.2
[INFO] [stderr]   Downloaded windows-core v0.54.0
[INFO] [stderr]   Downloaded generator v0.8.1
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded windows v0.54.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a076427afc8d842bf0b31e73a7b3fec2f2f76e888ec6bab4dcdbf5dd829f2eaf
[INFO] running `Command { std: "docker" "start" "-a" "a076427afc8d842bf0b31e73a7b3fec2f2f76e888ec6bab4dcdbf5dd829f2eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a076427afc8d842bf0b31e73a7b3fec2f2f76e888ec6bab4dcdbf5dd829f2eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a076427afc8d842bf0b31e73a7b3fec2f2f76e888ec6bab4dcdbf5dd829f2eaf", kill_on_drop: false }`
[INFO] [stdout] a076427afc8d842bf0b31e73a7b3fec2f2f76e888ec6bab4dcdbf5dd829f2eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4923e0474223a9480e158c63602b7de4547e3fdc62089141ca9c022af17fa16a
[INFO] running `Command { std: "docker" "start" "-a" "4923e0474223a9480e158c63602b7de4547e3fdc62089141ca9c022af17fa16a", kill_on_drop: false }`
[INFO] [stderr]     Checking arcmut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:23
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![deny(missing_docs, warnings)]
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | /     test! {
[INFO] [stdout] 400 | |       let x = ArcMut::new(5);
[INFO] [stdout] 401 | |       let y = x.clone();
[INFO] [stdout] 402 | |       assert_eq!(5, *x);
[INFO] [stdout] 403 | |       assert_eq!(5, *y);
[INFO] [stdout] 404 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | /     test! {
[INFO] [stdout] 400 | |       let x = ArcMut::new(5);
[INFO] [stdout] 401 | |       let y = x.clone();
[INFO] [stdout] 402 | |       assert_eq!(5, *x);
[INFO] [stdout] 403 | |       assert_eq!(5, *y);
[INFO] [stdout] 404 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 409 | /     test! {
[INFO] [stdout] 410 | |       let x = ArcMut::new(5);
[INFO] [stdout] 411 | |       assert_eq!(5, *x);
[INFO] [stdout] 412 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 409 | /     test! {
[INFO] [stdout] 410 | |       let x = ArcMut::new(5);
[INFO] [stdout] 411 | |       assert_eq!(5, *x);
[INFO] [stdout] 412 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 | /     test! {
[INFO] [stdout] 418 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 419 | |       *x = 10;
[INFO] [stdout] 420 | |       assert_eq!(10, *x);
[INFO] [stdout] 421 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 | /     test! {
[INFO] [stdout] 418 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 419 | |       *x = 10;
[INFO] [stdout] 420 | |       assert_eq!(10, *x);
[INFO] [stdout] 421 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 | /     test! {
[INFO] [stdout] 427 | |       let x = ArcMut::new(5);
[INFO] [stdout] 428 | |       assert_eq!(5, *x.as_ref());
[INFO] [stdout] 429 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 | /     test! {
[INFO] [stdout] 427 | |       let x = ArcMut::new(5);
[INFO] [stdout] 428 | |       assert_eq!(5, *x.as_ref());
[INFO] [stdout] 429 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:23
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![deny(missing_docs, warnings)]
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 | /     test! {
[INFO] [stdout] 435 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 436 | |       *x.as_mut() = 10;
[INFO] [stdout] 437 | |       assert_eq!(10, *x.as_ref());
[INFO] [stdout] 438 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 | /     test! {
[INFO] [stdout] 435 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 436 | |       *x.as_mut() = 10;
[INFO] [stdout] 437 | |       assert_eq!(10, *x.as_ref());
[INFO] [stdout] 438 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 | /     test! {
[INFO] [stdout] 444 | |       let x: ArcMut<i32> = Default::default();
[INFO] [stdout] 445 | |       assert_eq!(0, *x);
[INFO] [stdout] 446 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 | /     test! {
[INFO] [stdout] 444 | |       let x: ArcMut<i32> = Default::default();
[INFO] [stdout] 445 | |       assert_eq!(0, *x);
[INFO] [stdout] 446 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 451 | /     test! {
[INFO] [stdout] 452 | |       let x = 5;
[INFO] [stdout] 453 | |       let x = ArcMut::from(x);
[INFO] [stdout] 454 | |       assert_eq!(5, *x);
[INFO] [stdout] 455 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 451 | /     test! {
[INFO] [stdout] 452 | |       let x = 5;
[INFO] [stdout] 453 | |       let x = ArcMut::from(x);
[INFO] [stdout] 454 | |       assert_eq!(5, *x);
[INFO] [stdout] 455 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 | /     test! {
[INFO] [stdout] 461 | |       let x = ArcMut::new(5);
[INFO] [stdout] 462 | |       let y = ArcMut::new(5);
[INFO] [stdout] 463 | |       assert_eq!(x, y);
[INFO] [stdout] 464 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 | /     test! {
[INFO] [stdout] 461 | |       let x = ArcMut::new(5);
[INFO] [stdout] 462 | |       let y = ArcMut::new(5);
[INFO] [stdout] 463 | |       assert_eq!(x, y);
[INFO] [stdout] 464 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 | /     test! {
[INFO] [stdout] 470 | |       let x = ArcMut::new(5);
[INFO] [stdout] 471 | |       let y = ArcMut::new(5);
[INFO] [stdout] 472 | |       assert_eq!(x.partial_cmp(&y), Some(core::cmp::Ordering::Equal));
[INFO] [stdout] 473 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 | /     test! {
[INFO] [stdout] 470 | |       let x = ArcMut::new(5);
[INFO] [stdout] 471 | |       let y = ArcMut::new(5);
[INFO] [stdout] 472 | |       assert_eq!(x.partial_cmp(&y), Some(core::cmp::Ordering::Equal));
[INFO] [stdout] 473 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 | /     test! {
[INFO] [stdout] 479 | |       let x = ArcMut::new(5);
[INFO] [stdout] 480 | |       let y = ArcMut::new(5);
[INFO] [stdout] 481 | |       assert_eq!(x.cmp(&y), core::cmp::Ordering::Equal)
[INFO] [stdout] 482 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 | /     test! {
[INFO] [stdout] 479 | |       let x = ArcMut::new(5);
[INFO] [stdout] 480 | |       let y = ArcMut::new(5);
[INFO] [stdout] 481 | |       assert_eq!(x.cmp(&y), core::cmp::Ordering::Equal)
[INFO] [stdout] 482 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | /     test! {
[INFO] [stdout] 489 | |       use core::hash::{Hash, Hasher};
[INFO] [stdout] 490 | |       let x = ArcMut::new(5);
[INFO] [stdout] 491 | |       let mut hasher = std::collections::hash_map::DefaultHasher::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 494 | |       assert_eq!(hash, 14828406784900857967u64);
[INFO] [stdout] 495 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | /     test! {
[INFO] [stdout] 489 | |       use core::hash::{Hash, Hasher};
[INFO] [stdout] 490 | |       let x = ArcMut::new(5);
[INFO] [stdout] 491 | |       let mut hasher = std::collections::hash_map::DefaultHasher::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 494 | |       assert_eq!(hash, 14828406784900857967u64);
[INFO] [stdout] 495 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 500 | /     test! {
[INFO] [stdout] 501 | |       let x = ArcMut::new(5);
[INFO] [stdout] 502 | |       assert_eq!("5", format!("{:?}", x));
[INFO] [stdout] 503 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 500 | /     test! {
[INFO] [stdout] 501 | |       let x = ArcMut::new(5);
[INFO] [stdout] 502 | |       assert_eq!("5", format!("{:?}", x));
[INFO] [stdout] 503 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 | /     test!(
[INFO] [stdout] 509 | |       let x = ArcMut::new(5);
[INFO] [stdout] 510 | |       assert_eq!("5", format!("{}", x));
[INFO] [stdout] 511 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 | /     test!(
[INFO] [stdout] 509 | |       let x = ArcMut::new(5);
[INFO] [stdout] 510 | |       assert_eq!("5", format!("{}", x));
[INFO] [stdout] 511 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 | /     test!(
[INFO] [stdout] 517 | |       let x = ArcMut::new(5);
[INFO] [stdout] 518 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] 519 | |     let z = ArcMut::new(5);
[INFO] [stdout] 520 | |     assert!(ArcMut::ptr_eq(&x, &y));
[INFO] [stdout] 521 | |     assert!(!ArcMut::ptr_eq(&x, &z));
[INFO] [stdout] 522 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 | /     test!(
[INFO] [stdout] 517 | |       let x = ArcMut::new(5);
[INFO] [stdout] 518 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] 519 | |     let z = ArcMut::new(5);
[INFO] [stdout] 520 | |     assert!(ArcMut::ptr_eq(&x, &y));
[INFO] [stdout] 521 | |     assert!(!ArcMut::ptr_eq(&x, &z));
[INFO] [stdout] 522 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 | /     test!(
[INFO] [stdout] 528 | |       let x = ArcMut::new(5);
[INFO] [stdout] 529 | |     assert_eq!(1, ArcMut::count(&x));
[INFO] [stdout] 530 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] ...   |
[INFO] [stdout] 535 | |     drop(y);
[INFO] [stdout] 536 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 | /     test!(
[INFO] [stdout] 528 | |       let x = ArcMut::new(5);
[INFO] [stdout] 529 | |     assert_eq!(1, ArcMut::count(&x));
[INFO] [stdout] 530 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] ...   |
[INFO] [stdout] 535 | |     drop(y);
[INFO] [stdout] 536 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:542:11
[INFO] [stdout]     |
[INFO] [stdout] 542 |     #[cfg(loom)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:545:15
[INFO] [stdout]     |
[INFO] [stdout] 545 |     #[cfg(not(loom))]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | /     test!(
[INFO] [stdout] 549 | |       let arc = ArcMut::new(alloc::vec![100u8; 100]);
[INFO] [stdout] 550 | |       for _ in 0..2 {
[INFO] [stdout] 551 | |         let data = arc.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 563 | |       assert_eq!(arc.as_ref(), &[100u8; 100]);
[INFO] [stdout] 564 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | /     test!(
[INFO] [stdout] 549 | |       let arc = ArcMut::new(alloc::vec![100u8; 100]);
[INFO] [stdout] 550 | |       for _ in 0..2 {
[INFO] [stdout] 551 | |         let data = arc.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 563 | |       assert_eq!(arc.as_ref(), &[100u8; 100]);
[INFO] [stdout] 564 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arcmut` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 39 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arcmut` (lib test) due to 40 previous errors
[INFO] running `Command { std: "docker" "inspect" "4923e0474223a9480e158c63602b7de4547e3fdc62089141ca9c022af17fa16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4923e0474223a9480e158c63602b7de4547e3fdc62089141ca9c022af17fa16a", kill_on_drop: false }`
[INFO] [stdout] 4923e0474223a9480e158c63602b7de4547e3fdc62089141ca9c022af17fa16a
[INFO] checking arcmut-0.1.0 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate arcmut 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate arcmut 0.1.0 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcmut 0.1.0
[INFO] finished tweaking crates.io crate arcmut 0.1.0
[INFO] tweaked toml for crates.io crate arcmut 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding matchers v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.4)
[INFO] [stderr]       Adding windows v0.54.0 (latest: v0.58.0)
[INFO] [stderr]       Adding windows-core v0.54.0 (latest: v0.58.0)
[INFO] [stderr]       Adding windows-result v0.1.2 (latest: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1da2ab7d9c21054aaa9619a8eebbe6ff66f259fbe667c64afd839a61d40bed1
[INFO] running `Command { std: "docker" "start" "-a" "d1da2ab7d9c21054aaa9619a8eebbe6ff66f259fbe667c64afd839a61d40bed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1da2ab7d9c21054aaa9619a8eebbe6ff66f259fbe667c64afd839a61d40bed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1da2ab7d9c21054aaa9619a8eebbe6ff66f259fbe667c64afd839a61d40bed1", kill_on_drop: false }`
[INFO] [stdout] d1da2ab7d9c21054aaa9619a8eebbe6ff66f259fbe667c64afd839a61d40bed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa11954bb7781912ac42d1f5867ed586443f4ed95a12be969a50e30471233dcd
[INFO] running `Command { std: "docker" "start" "-a" "fa11954bb7781912ac42d1f5867ed586443f4ed95a12be969a50e30471233dcd", kill_on_drop: false }`
[INFO] [stderr]     Checking arcmut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:23
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![deny(missing_docs, warnings)]
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:23
[INFO] [stdout]    |
[INFO] [stdout] 5  | #![deny(missing_docs, warnings)]
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(loom)]
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]   --> src/lib.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(not(loom))]
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | /     test! {
[INFO] [stdout] 400 | |       let x = ArcMut::new(5);
[INFO] [stdout] 401 | |       let y = x.clone();
[INFO] [stdout] 402 | |       assert_eq!(5, *x);
[INFO] [stdout] 403 | |       assert_eq!(5, *y);
[INFO] [stdout] 404 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 | /     test! {
[INFO] [stdout] 400 | |       let x = ArcMut::new(5);
[INFO] [stdout] 401 | |       let y = x.clone();
[INFO] [stdout] 402 | |       assert_eq!(5, *x);
[INFO] [stdout] 403 | |       assert_eq!(5, *y);
[INFO] [stdout] 404 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 409 | /     test! {
[INFO] [stdout] 410 | |       let x = ArcMut::new(5);
[INFO] [stdout] 411 | |       assert_eq!(5, *x);
[INFO] [stdout] 412 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 409 | /     test! {
[INFO] [stdout] 410 | |       let x = ArcMut::new(5);
[INFO] [stdout] 411 | |       assert_eq!(5, *x);
[INFO] [stdout] 412 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 | /     test! {
[INFO] [stdout] 418 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 419 | |       *x = 10;
[INFO] [stdout] 420 | |       assert_eq!(10, *x);
[INFO] [stdout] 421 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 417 | /     test! {
[INFO] [stdout] 418 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 419 | |       *x = 10;
[INFO] [stdout] 420 | |       assert_eq!(10, *x);
[INFO] [stdout] 421 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 | /     test! {
[INFO] [stdout] 427 | |       let x = ArcMut::new(5);
[INFO] [stdout] 428 | |       assert_eq!(5, *x.as_ref());
[INFO] [stdout] 429 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 426 | /     test! {
[INFO] [stdout] 427 | |       let x = ArcMut::new(5);
[INFO] [stdout] 428 | |       assert_eq!(5, *x.as_ref());
[INFO] [stdout] 429 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 | /     test! {
[INFO] [stdout] 435 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 436 | |       *x.as_mut() = 10;
[INFO] [stdout] 437 | |       assert_eq!(10, *x.as_ref());
[INFO] [stdout] 438 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 434 | /     test! {
[INFO] [stdout] 435 | |       let mut x = ArcMut::new(5);
[INFO] [stdout] 436 | |       *x.as_mut() = 10;
[INFO] [stdout] 437 | |       assert_eq!(10, *x.as_ref());
[INFO] [stdout] 438 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 | /     test! {
[INFO] [stdout] 444 | |       let x: ArcMut<i32> = Default::default();
[INFO] [stdout] 445 | |       assert_eq!(0, *x);
[INFO] [stdout] 446 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 443 | /     test! {
[INFO] [stdout] 444 | |       let x: ArcMut<i32> = Default::default();
[INFO] [stdout] 445 | |       assert_eq!(0, *x);
[INFO] [stdout] 446 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 451 | /     test! {
[INFO] [stdout] 452 | |       let x = 5;
[INFO] [stdout] 453 | |       let x = ArcMut::from(x);
[INFO] [stdout] 454 | |       assert_eq!(5, *x);
[INFO] [stdout] 455 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 451 | /     test! {
[INFO] [stdout] 452 | |       let x = 5;
[INFO] [stdout] 453 | |       let x = ArcMut::from(x);
[INFO] [stdout] 454 | |       assert_eq!(5, *x);
[INFO] [stdout] 455 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 | /     test! {
[INFO] [stdout] 461 | |       let x = ArcMut::new(5);
[INFO] [stdout] 462 | |       let y = ArcMut::new(5);
[INFO] [stdout] 463 | |       assert_eq!(x, y);
[INFO] [stdout] 464 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 | /     test! {
[INFO] [stdout] 461 | |       let x = ArcMut::new(5);
[INFO] [stdout] 462 | |       let y = ArcMut::new(5);
[INFO] [stdout] 463 | |       assert_eq!(x, y);
[INFO] [stdout] 464 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 | /     test! {
[INFO] [stdout] 470 | |       let x = ArcMut::new(5);
[INFO] [stdout] 471 | |       let y = ArcMut::new(5);
[INFO] [stdout] 472 | |       assert_eq!(x.partial_cmp(&y), Some(core::cmp::Ordering::Equal));
[INFO] [stdout] 473 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 | /     test! {
[INFO] [stdout] 470 | |       let x = ArcMut::new(5);
[INFO] [stdout] 471 | |       let y = ArcMut::new(5);
[INFO] [stdout] 472 | |       assert_eq!(x.partial_cmp(&y), Some(core::cmp::Ordering::Equal));
[INFO] [stdout] 473 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 | /     test! {
[INFO] [stdout] 479 | |       let x = ArcMut::new(5);
[INFO] [stdout] 480 | |       let y = ArcMut::new(5);
[INFO] [stdout] 481 | |       assert_eq!(x.cmp(&y), core::cmp::Ordering::Equal)
[INFO] [stdout] 482 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 478 | /     test! {
[INFO] [stdout] 479 | |       let x = ArcMut::new(5);
[INFO] [stdout] 480 | |       let y = ArcMut::new(5);
[INFO] [stdout] 481 | |       assert_eq!(x.cmp(&y), core::cmp::Ordering::Equal)
[INFO] [stdout] 482 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | /     test! {
[INFO] [stdout] 489 | |       use core::hash::{Hash, Hasher};
[INFO] [stdout] 490 | |       let x = ArcMut::new(5);
[INFO] [stdout] 491 | |       let mut hasher = std::collections::hash_map::DefaultHasher::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 494 | |       assert_eq!(hash, 14828406784900857967u64);
[INFO] [stdout] 495 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 488 | /     test! {
[INFO] [stdout] 489 | |       use core::hash::{Hash, Hasher};
[INFO] [stdout] 490 | |       let x = ArcMut::new(5);
[INFO] [stdout] 491 | |       let mut hasher = std::collections::hash_map::DefaultHasher::new();
[INFO] [stdout] ...   |
[INFO] [stdout] 494 | |       assert_eq!(hash, 14828406784900857967u64);
[INFO] [stdout] 495 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 500 | /     test! {
[INFO] [stdout] 501 | |       let x = ArcMut::new(5);
[INFO] [stdout] 502 | |       assert_eq!("5", format!("{:?}", x));
[INFO] [stdout] 503 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 500 | /     test! {
[INFO] [stdout] 501 | |       let x = ArcMut::new(5);
[INFO] [stdout] 502 | |       assert_eq!("5", format!("{:?}", x));
[INFO] [stdout] 503 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 | /     test!(
[INFO] [stdout] 509 | |       let x = ArcMut::new(5);
[INFO] [stdout] 510 | |       assert_eq!("5", format!("{}", x));
[INFO] [stdout] 511 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 508 | /     test!(
[INFO] [stdout] 509 | |       let x = ArcMut::new(5);
[INFO] [stdout] 510 | |       assert_eq!("5", format!("{}", x));
[INFO] [stdout] 511 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 | /     test!(
[INFO] [stdout] 517 | |       let x = ArcMut::new(5);
[INFO] [stdout] 518 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] 519 | |     let z = ArcMut::new(5);
[INFO] [stdout] 520 | |     assert!(ArcMut::ptr_eq(&x, &y));
[INFO] [stdout] 521 | |     assert!(!ArcMut::ptr_eq(&x, &z));
[INFO] [stdout] 522 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 516 | /     test!(
[INFO] [stdout] 517 | |       let x = ArcMut::new(5);
[INFO] [stdout] 518 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] 519 | |     let z = ArcMut::new(5);
[INFO] [stdout] 520 | |     assert!(ArcMut::ptr_eq(&x, &y));
[INFO] [stdout] 521 | |     assert!(!ArcMut::ptr_eq(&x, &z));
[INFO] [stdout] 522 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 | /     test!(
[INFO] [stdout] 528 | |       let x = ArcMut::new(5);
[INFO] [stdout] 529 | |     assert_eq!(1, ArcMut::count(&x));
[INFO] [stdout] 530 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] ...   |
[INFO] [stdout] 535 | |     drop(y);
[INFO] [stdout] 536 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 | /     test!(
[INFO] [stdout] 528 | |       let x = ArcMut::new(5);
[INFO] [stdout] 529 | |     assert_eq!(1, ArcMut::count(&x));
[INFO] [stdout] 530 | |     let y = ArcMut::clone(&x);
[INFO] [stdout] ...   |
[INFO] [stdout] 535 | |     drop(y);
[INFO] [stdout] 536 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:542:11
[INFO] [stdout]     |
[INFO] [stdout] 542 |     #[cfg(loom)]
[INFO] [stdout]     |           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:545:15
[INFO] [stdout]     |
[INFO] [stdout] 545 |     #[cfg(not(loom))]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         #[cfg(loom)]
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | /     test!(
[INFO] [stdout] 549 | |       let arc = ArcMut::new(alloc::vec![100u8; 100]);
[INFO] [stdout] 550 | |       for _ in 0..2 {
[INFO] [stdout] 551 | |         let data = arc.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 563 | |       assert_eq!(arc.as_ref(), &[100u8; 100]);
[INFO] [stdout] 564 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `loom`
[INFO] [stdout]    --> src/lib.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 |         #[cfg(not(loom))]
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 548 | /     test!(
[INFO] [stdout] 549 | |       let arc = ArcMut::new(alloc::vec![100u8; 100]);
[INFO] [stdout] 550 | |       for _ in 0..2 {
[INFO] [stdout] 551 | |         let data = arc.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 563 | |       assert_eq!(arc.as_ref(), &[100u8; 100]);
[INFO] [stdout] 564 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arcmut` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 39 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arcmut` (lib test) due to 40 previous errors
[INFO] running `Command { std: "docker" "inspect" "fa11954bb7781912ac42d1f5867ed586443f4ed95a12be969a50e30471233dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa11954bb7781912ac42d1f5867ed586443f4ed95a12be969a50e30471233dcd", kill_on_drop: false }`
[INFO] [stdout] fa11954bb7781912ac42d1f5867ed586443f4ed95a12be969a50e30471233dcd
