[INFO] fetching crate halfbit 0.0.5... [INFO] checking halfbit-0.0.5 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543 [INFO] extracting crate halfbit 0.0.5 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate halfbit 0.0.5 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate halfbit 0.0.5 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate halfbit 0.0.5 [INFO] tweaked toml for crates.io crate halfbit 0.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate halfbit 0.0.5 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded syn v1.0.69 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da8a8b8c43f75c8b14e433ee92ef4fd1a9000046e5a3df43079495e3b94ed1ca [INFO] running `Command { std: "docker" "start" "-a" "da8a8b8c43f75c8b14e433ee92ef4fd1a9000046e5a3df43079495e3b94ed1ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da8a8b8c43f75c8b14e433ee92ef4fd1a9000046e5a3df43079495e3b94ed1ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da8a8b8c43f75c8b14e433ee92ef4fd1a9000046e5a3df43079495e3b94ed1ca", kill_on_drop: false }` [INFO] [stdout] da8a8b8c43f75c8b14e433ee92ef4fd1a9000046e5a3df43079495e3b94ed1ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a91342e52a41c28b9f6bbb9221751ad2a38be0f139b9ab573779c70929a7e3d0 [INFO] running `Command { std: "docker" "start" "-a" "a91342e52a41c28b9f6bbb9221751ad2a38be0f139b9ab573779c70929a7e3d0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking halfbit v0.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `nightly` [INFO] [stdout] --> src/mm/box.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(nightly)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "nightly"` [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly` [INFO] [stdout] --> src/mm/box.rs:57:11 [INFO] [stdout] | [INFO] [stdout] 57 | #[cfg(nightly)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "nightly"` [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly` [INFO] [stdout] --> src/mm/box.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(nightly)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "nightly"` [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly` [INFO] [stdout] --> src/mm/box.rs:57:11 [INFO] [stdout] | [INFO] [stdout] 57 | #[cfg(nightly)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "nightly"` [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly` [INFO] [stdout] --> src/mm/box.rs:195:11 [INFO] [stdout] | [INFO] [stdout] 195 | #[cfg(nightly)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "nightly"` [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: `nightly` [INFO] [stdout] --> src/mm/box.rs:228:11 [INFO] [stdout] | [INFO] [stdout] 228 | #[cfg(nightly)] [INFO] [stdout] | ^^^^^^^ help: found config with similar value: `feature = "nightly"` [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(nightly)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `TestDynBoxTrait` is never used [INFO] [stdout] --> src/mm/box.rs:172:11 [INFO] [stdout] | [INFO] [stdout] 172 | trait TestDynBoxTrait: fmt::Debug { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestDynBoxA` is never constructed [INFO] [stdout] --> src/mm/box.rs:178:12 [INFO] [stdout] | [INFO] [stdout] 178 | struct TestDynBoxA(u8); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TestDynBoxB` is never constructed [INFO] [stdout] --> src/mm/box.rs:184:12 [INFO] [stdout] | [INFO] [stdout] 184 | struct TestDynBoxB<'a>(&'a mut usize); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/mm/rc.rs:486:20 [INFO] [stdout] | [INFO] [stdout] 486 | struct Align64(u32); [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.57s [INFO] running `Command { std: "docker" "inspect" "a91342e52a41c28b9f6bbb9221751ad2a38be0f139b9ab573779c70929a7e3d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91342e52a41c28b9f6bbb9221751ad2a38be0f139b9ab573779c70929a7e3d0", kill_on_drop: false }` [INFO] [stdout] a91342e52a41c28b9f6bbb9221751ad2a38be0f139b9ab573779c70929a7e3d0