[INFO] fetching crate waitgroup 0.1.2... [INFO] testing waitgroup-0.1.2 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate waitgroup 0.1.2 into /workspace/builds/worker-40/source [INFO] validating manifest of crates.io crate waitgroup 0.1.2 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate waitgroup 0.1.2 [INFO] finished tweaking crates.io crate waitgroup 0.1.2 [INFO] tweaked toml for crates.io crate waitgroup 0.1.2 written to /workspace/builds/worker-40/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-attributes v1.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1b1751b6c535eb0c8d8e9f8db339b164126fa75bcb892e8feac8b08cfa1e82c [INFO] running `Command { std: "docker" "start" "-a" "c1b1751b6c535eb0c8d8e9f8db339b164126fa75bcb892e8feac8b08cfa1e82c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1b1751b6c535eb0c8d8e9f8db339b164126fa75bcb892e8feac8b08cfa1e82c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1b1751b6c535eb0c8d8e9f8db339b164126fa75bcb892e8feac8b08cfa1e82c", kill_on_drop: false }` [INFO] [stdout] c1b1751b6c535eb0c8d8e9f8db339b164126fa75bcb892e8feac8b08cfa1e82c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfd516d6d1a5a2c428d64e4b295ba98bf6d5ed8cc916f54d6807da0351404a3d [INFO] running `Command { std: "docker" "start" "-a" "cfd516d6d1a5a2c428d64e4b295ba98bf6d5ed8cc916f54d6807da0351404a3d", kill_on_drop: false }` [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling waitgroup v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | inner: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `Command { std: "docker" "inspect" "cfd516d6d1a5a2c428d64e4b295ba98bf6d5ed8cc916f54d6807da0351404a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfd516d6d1a5a2c428d64e4b295ba98bf6d5ed8cc916f54d6807da0351404a3d", kill_on_drop: false }` [INFO] [stdout] cfd516d6d1a5a2c428d64e4b295ba98bf6d5ed8cc916f54d6807da0351404a3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 71962fd0916e01f9acedfdd635f5295f472ef66f244ff6452728cb91897dd8d6 [INFO] running `Command { std: "docker" "start" "-a" "71962fd0916e01f9acedfdd635f5295f472ef66f244ff6452728cb91897dd8d6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling event-listener v2.5.2 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling async-task v4.1.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | inner: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.5.0 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling blocking v1.1.0 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling polling v2.2.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-io v1.6.0 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-std v1.10.0 [INFO] [stderr] Compiling waitgroup v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | inner: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 16.75s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "71962fd0916e01f9acedfdd635f5295f472ef66f244ff6452728cb91897dd8d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71962fd0916e01f9acedfdd635f5295f472ef66f244ff6452728cb91897dd8d6", kill_on_drop: false }` [INFO] [stdout] 71962fd0916e01f9acedfdd635f5295f472ef66f244ff6452728cb91897dd8d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f988725005ffeadd2f6191f6c2b3e65bfac600ed5ac5af457057c9d86847d843 [INFO] running `Command { std: "docker" "start" "-a" "f988725005ffeadd2f6191f6c2b3e65bfac600ed5ac5af457057c9d86847d843", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `inner` [INFO] [stderr] --> src/lib.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | inner: Arc, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Worker` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:34:10 [INFO] [stderr] | [INFO] [stderr] 34 | #[derive(Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `waitgroup` (lib) generated 1 warning [INFO] [stderr] warning: `waitgroup` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/waitgroup-ed7bf8473c6c4275) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::smoke ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests waitgroup [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 4) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.88s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f988725005ffeadd2f6191f6c2b3e65bfac600ed5ac5af457057c9d86847d843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f988725005ffeadd2f6191f6c2b3e65bfac600ed5ac5af457057c9d86847d843", kill_on_drop: false }` [INFO] [stdout] f988725005ffeadd2f6191f6c2b3e65bfac600ed5ac5af457057c9d86847d843