[INFO] fetching crate ste 0.1.0-alpha.11... [INFO] testing ste-0.1.0-alpha.11 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate ste 0.1.0-alpha.11 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate ste 0.1.0-alpha.11 [INFO] finished tweaking crates.io crate ste 0.1.0-alpha.11 [INFO] tweaked toml for crates.io crate ste 0.1.0-alpha.11 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ste 0.1.0-alpha.11 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate ste 0.1.0-alpha.11 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a51845ecffbc1b9e1206596c44d9b303207eabbe37eca2398cfab74d03b9dc1e [INFO] running `Command { std: "docker" "start" "-a" "a51845ecffbc1b9e1206596c44d9b303207eabbe37eca2398cfab74d03b9dc1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a51845ecffbc1b9e1206596c44d9b303207eabbe37eca2398cfab74d03b9dc1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a51845ecffbc1b9e1206596c44d9b303207eabbe37eca2398cfab74d03b9dc1e", kill_on_drop: false }` [INFO] [stdout] a51845ecffbc1b9e1206596c44d9b303207eabbe37eca2398cfab74d03b9dc1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea51dc3896714cf98ea68180fd517a5b817c6b5f170b6765eb7e8a11de00507a [INFO] running `Command { std: "docker" "start" "-a" "ea51dc3896714cf98ea68180fd517a5b817c6b5f170b6765eb7e8a11de00507a", kill_on_drop: false }` [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling ste v0.1.0-alpha.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(loom)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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 for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.31s [INFO] running `Command { std: "docker" "inspect" "ea51dc3896714cf98ea68180fd517a5b817c6b5f170b6765eb7e8a11de00507a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea51dc3896714cf98ea68180fd517a5b817c6b5f170b6765eb7e8a11de00507a", kill_on_drop: false }` [INFO] [stdout] ea51dc3896714cf98ea68180fd517a5b817c6b5f170b6765eb7e8a11de00507a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c05dc4149c24b9d06ab8e17a846cfb91a2d805647632a140c7481f73a9262e59 [INFO] running `Command { std: "docker" "start" "-a" "c05dc4149c24b9d06ab8e17a846cfb91a2d805647632a140c7481f73a9262e59", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-core v0.3.14 [INFO] [stderr] Compiling futures-sink v0.3.14 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling futures-task v0.3.14 [INFO] [stderr] Compiling futures-io v0.3.14 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling futures-channel v0.3.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.14 [INFO] [stderr] Compiling ste v0.1.0-alpha.11 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(loom)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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 for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-executor v0.3.14 [INFO] [stderr] Compiling futures v0.3.14 [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(loom)] [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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 for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `loom` [INFO] [stdout] --> src/loom.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 8 | #[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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 9.93s [INFO] running `Command { std: "docker" "inspect" "c05dc4149c24b9d06ab8e17a846cfb91a2d805647632a140c7481f73a9262e59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c05dc4149c24b9d06ab8e17a846cfb91a2d805647632a140c7481f73a9262e59", kill_on_drop: false }` [INFO] [stdout] c05dc4149c24b9d06ab8e17a846cfb91a2d805647632a140c7481f73a9262e59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ed4d060208ad8c0f69cdaa5e1492b3c4cf8b03d368862f6675308808853621a [INFO] running `Command { std: "docker" "start" "-a" "7ed4d060208ad8c0f69cdaa5e1492b3c4cf8b03d368862f6675308808853621a", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `loom` [INFO] [stderr] --> src/loom.rs:1:7 [INFO] [stderr] | [INFO] [stderr] 1 | #[cfg(loom)] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `loom` [INFO] [stderr] --> src/loom.rs:3:7 [INFO] [stderr] | [INFO] [stderr] 3 | #[cfg(loom)] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `loom` [INFO] [stderr] --> src/loom.rs:6:11 [INFO] [stderr] | [INFO] [stderr] 6 | #[cfg(not(loom))] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `loom` [INFO] [stderr] --> src/loom.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | #[cfg(not(loom))] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(loom)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(loom)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: `ste` (lib) generated 4 warnings [INFO] [stderr] warning: `ste` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ste-2344fa85b351077d) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_threading ... ok [INFO] [stdout] test tests::test_recover_from_panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.46s [INFO] [stdout] [INFO] [stderr] Doc-tests ste [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test src/lib.rs - Builder::prelude (line 582) ... ok [INFO] [stdout] test src/lib.rs - (line 81) ... ok [INFO] [stdout] test src/lib.rs - Thread::join (line 457) ... ok [INFO] [stdout] test src/lib.rs - (line 20) ... ok [INFO] [stdout] test src/lib.rs - Builder::build (line 608) ... ok [INFO] [stdout] test src/lib.rs - Builder::with_tokio (line 555) ... ok [INFO] [stdout] test src/lib.rs - Thread::submit (line 266) ... ok [INFO] [stdout] test src/lib.rs - spawn (line 167) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::is_empty (line 45) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::pop_back (line 219) ... ok [INFO] [stdout] test src/lib.rs - Thread (line 198) ... ok [INFO] [stdout] test src/lib.rs - Thread::tag (line 483) ... ok [INFO] [stdout] test src/lib.rs - Thread::drop (line 422) ... ok [INFO] [stdout] test src/tag.rs - tag::Tag (line 44) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::push_back (line 134) ... ok [INFO] [stdout] test src/lib.rs - (line 47) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::pop_front (line 175) ... ok [INFO] [stdout] test src/tag.rs - tag::Tag (line 103) ... ok [INFO] [stdout] test src/lib.rs - Thread::submit (line 280) ... ok [INFO] [stdout] test src/lib.rs - Thread::submit_async (line 382) ... ok [INFO] [stdout] test src/linked_list.rs - linked_list::LinkedList::push_front (line 80) ... ok [INFO] [stdout] test src/tag.rs - tag::Tag (line 60) ... ok [INFO] [stdout] test src/lib.rs - Thread::submit_async (line 360) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7ed4d060208ad8c0f69cdaa5e1492b3c4cf8b03d368862f6675308808853621a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed4d060208ad8c0f69cdaa5e1492b3c4cf8b03d368862f6675308808853621a", kill_on_drop: false }` [INFO] [stdout] 7ed4d060208ad8c0f69cdaa5e1492b3c4cf8b03d368862f6675308808853621a