[INFO] cloning repository https://github.com/KuangjuX/ThreadPool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KuangjuX/ThreadPool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuangjuX%2FThreadPool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuangjuX%2FThreadPool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7870190d5ed2722e5ed8752af14e4fd87b654df1 [INFO] checking KuangjuX/ThreadPool against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuangjuX%2FThreadPool" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KuangjuX/ThreadPool on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KuangjuX/ThreadPool [INFO] finished tweaking git repo https://github.com/KuangjuX/ThreadPool [INFO] tweaked toml for git repo https://github.com/KuangjuX/ThreadPool written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KuangjuX/ThreadPool 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d095f283d151779edf203b1f5ee659dcdca67706e6714725ea536ac208770fa [INFO] running `Command { std: "docker" "start" "-a" "3d095f283d151779edf203b1f5ee659dcdca67706e6714725ea536ac208770fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d095f283d151779edf203b1f5ee659dcdca67706e6714725ea536ac208770fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d095f283d151779edf203b1f5ee659dcdca67706e6714725ea536ac208770fa", kill_on_drop: false }` [INFO] [stdout] 3d095f283d151779edf203b1f5ee659dcdca67706e6714725ea536ac208770fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f0f98a1cbacd051d476ecd6b0327ec970e31fcf700b15c0eaade5b718483f06 [INFO] running `Command { std: "docker" "start" "-a" "2f0f98a1cbacd051d476ecd6b0327ec970e31fcf700b15c0eaade5b718483f06", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking threadpool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `rayon` is imported redundantly [INFO] [stdout] --> src/rayon_thread.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rayon; [INFO] [stdout] | ^^^^^ the item `rayon` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rayon` is imported redundantly [INFO] [stdout] --> src/rayon_thread.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rayon; [INFO] [stdout] | ^^^^^ the item `rayon` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rayon_thread.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | drop(&mut self.pool); [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut rayon::ThreadPool` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rayon_thread.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | drop(&mut self.pool); [INFO] [stdout] | ^^^^^--------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut rayon::ThreadPool` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tp.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tp = RayonThreadPool::new(4).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tp.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let mut tp = RayonThreadPool::new(4).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.94s [INFO] running `Command { std: "docker" "inspect" "2f0f98a1cbacd051d476ecd6b0327ec970e31fcf700b15c0eaade5b718483f06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0f98a1cbacd051d476ecd6b0327ec970e31fcf700b15c0eaade5b718483f06", kill_on_drop: false }` [INFO] [stdout] 2f0f98a1cbacd051d476ecd6b0327ec970e31fcf700b15c0eaade5b718483f06 [INFO] checking KuangjuX/ThreadPool against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuangjuX%2FThreadPool" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KuangjuX/ThreadPool on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KuangjuX/ThreadPool [INFO] finished tweaking git repo https://github.com/KuangjuX/ThreadPool [INFO] tweaked toml for git repo https://github.com/KuangjuX/ThreadPool written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KuangjuX/ThreadPool 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b9cc35b8d6f94f4526d4a989937d2c587cc0bff9b1945c74677580d3aa43d62 [INFO] running `Command { std: "docker" "start" "-a" "9b9cc35b8d6f94f4526d4a989937d2c587cc0bff9b1945c74677580d3aa43d62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b9cc35b8d6f94f4526d4a989937d2c587cc0bff9b1945c74677580d3aa43d62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b9cc35b8d6f94f4526d4a989937d2c587cc0bff9b1945c74677580d3aa43d62", kill_on_drop: false }` [INFO] [stdout] 9b9cc35b8d6f94f4526d4a989937d2c587cc0bff9b1945c74677580d3aa43d62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef5d812a51ae0127fa880eb9d7e9af41796903275cbf59012c6da36bb8476eda [INFO] running `Command { std: "docker" "start" "-a" "ef5d812a51ae0127fa880eb9d7e9af41796903275cbf59012c6da36bb8476eda", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/src/sync/parker.rs:364:25 [INFO] [stdout] | [INFO] [stdout] 364 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 365 | | NOTIFIED | PARKED => return, [INFO] [stdout] 366 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 367 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ef5d812a51ae0127fa880eb9d7e9af41796903275cbf59012c6da36bb8476eda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef5d812a51ae0127fa880eb9d7e9af41796903275cbf59012c6da36bb8476eda", kill_on_drop: false }` [INFO] [stdout] ef5d812a51ae0127fa880eb9d7e9af41796903275cbf59012c6da36bb8476eda