[INFO] fetching crate choir 0.7.0... [INFO] checking choir-0.7.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate choir 0.7.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate choir 0.7.0 [INFO] finished tweaking crates.io crate choir 0.7.0 [INFO] tweaked toml for crates.io crate choir 0.7.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate choir 0.7.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 91 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.5.1 (available: v0.7.0) [INFO] [stderr] Adding env_logger v0.9.3 (available: v0.11.8) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 726d2ba677a9d7b14e580dc3aa8b5a2696daae4d1dffaffaa1d3dd34a5fcf104 [INFO] running `Command { std: "docker" "start" "-a" "726d2ba677a9d7b14e580dc3aa8b5a2696daae4d1dffaffaa1d3dd34a5fcf104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "726d2ba677a9d7b14e580dc3aa8b5a2696daae4d1dffaffaa1d3dd34a5fcf104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "726d2ba677a9d7b14e580dc3aa8b5a2696daae4d1dffaffaa1d3dd34a5fcf104", kill_on_drop: false }` [INFO] [stdout] 726d2ba677a9d7b14e580dc3aa8b5a2696daae4d1dffaffaa1d3dd34a5fcf104 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b2ddcf6f7c2be601efd6e6822cfcee5365f5ebae2773d757259273bb15d7d8f [INFO] running `Command { std: "docker" "start" "-a" "7b2ddcf6f7c2be601efd6e6822cfcee5365f5ebae2773d757259273bb15d7d8f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking humantime v2.2.0 [INFO] [stderr] Checking clap_builder v4.5.44 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking regex-automata v0.4.10 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking clap v4.5.45 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.11.2 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Checking profiling v1.0.17 [INFO] [stderr] Checking choir v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/lib.rs:54:28 [INFO] [stdout] | [INFO] [stdout] 54 | const MAX_WORKERS: usize = mem::size_of::() * BITS_PER_BYTE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | unused_qualifications, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 54 - const MAX_WORKERS: usize = mem::size_of::() * BITS_PER_BYTE; [INFO] [stdout] 54 + const MAX_WORKERS: usize = size_of::() * BITS_PER_BYTE; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:129:32 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn fork>(&self, name: N) -> ProtoTask { [INFO] [stdout] | ^^^^^ --------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 129 | pub fn fork>(&self, name: N) -> ProtoTask<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: non-binding let on a synchronization lock [INFO] [stdout] --> src/lib.rs:709:17 [INFO] [stdout] | [INFO] [stdout] 709 | let _ = condvar.wait_while(guard, |cont| cont.is_some()); [INFO] [stdout] | ^ this lock is not assigned to a binding and is immediately dropped [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(let_underscore_lock)]` on by default [INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 709 | let _unused = condvar.wait_while(guard, |cont| cont.is_some()); [INFO] [stdout] | ++++++ [INFO] [stdout] help: consider immediately dropping the value [INFO] [stdout] | [INFO] [stdout] 709 - let _ = condvar.wait_while(guard, |cont| cont.is_some()); [INFO] [stdout] 709 + drop(condvar.wait_while(guard, |cont| cont.is_some())); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `choir` (lib) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7b2ddcf6f7c2be601efd6e6822cfcee5365f5ebae2773d757259273bb15d7d8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b2ddcf6f7c2be601efd6e6822cfcee5365f5ebae2773d757259273bb15d7d8f", kill_on_drop: false }` [INFO] [stdout] 7b2ddcf6f7c2be601efd6e6822cfcee5365f5ebae2773d757259273bb15d7d8f