[INFO] fetching crate entangled 1.3.0... [INFO] testing entangled-1.3.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate entangled 1.3.0 into /workspace/builds/worker-88/source [INFO] validating manifest of crates.io crate entangled 1.3.0 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 entangled 1.3.0 [INFO] finished tweaking crates.io crate entangled 1.3.0 [INFO] tweaked toml for crates.io crate entangled 1.3.0 written to /workspace/builds/worker-88/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] [stderr] Blocking waiting for file lock on package cache [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 errno v0.2.8 [INFO] [stderr] Downloaded errno-dragonfly v0.1.2 [INFO] [stderr] Downloaded switchyard v0.2.1 [INFO] [stderr] Downloaded priority-queue v1.2.1 [INFO] [stderr] Downloaded arrayvec v0.7.2 [INFO] [stderr] Downloaded affinity v0.1.2 [INFO] [stderr] Downloaded slotmap v1.0.6 [INFO] [stderr] Downloaded futures-intrusive v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 1dbfba5c3feb248f80c4f1d827101871acf590314d9ba53fa2ad76a7d97a74fe [INFO] running `Command { std: "docker" "start" "-a" "1dbfba5c3feb248f80c4f1d827101871acf590314d9ba53fa2ad76a7d97a74fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dbfba5c3feb248f80c4f1d827101871acf590314d9ba53fa2ad76a7d97a74fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dbfba5c3feb248f80c4f1d827101871acf590314d9ba53fa2ad76a7d97a74fe", kill_on_drop: false }` [INFO] [stdout] 1dbfba5c3feb248f80c4f1d827101871acf590314d9ba53fa2ad76a7d97a74fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] faabaa3cf63563c8c98dd18c852e6293723a536588923a579e5c7af97f2b21d2 [INFO] running `Command { std: "docker" "start" "-a" "faabaa3cf63563c8c98dd18c852e6293723a536588923a579e5c7af97f2b21d2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [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 event-listener v2.5.2 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling entangled v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/lib.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | inner: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ThreadPool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (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 4.90s [INFO] running `Command { std: "docker" "inspect" "faabaa3cf63563c8c98dd18c852e6293723a536588923a579e5c7af97f2b21d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faabaa3cf63563c8c98dd18c852e6293723a536588923a579e5c7af97f2b21d2", kill_on_drop: false }` [INFO] [stdout] faabaa3cf63563c8c98dd18c852e6293723a536588923a579e5c7af97f2b21d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] a47c4bc3c289f1ee8528e086f491076349f9682fd978e1f5cfeadf9613c7167f [INFO] running `Command { std: "docker" "start" "-a" "a47c4bc3c289f1ee8528e086f491076349f9682fd978e1f5cfeadf9613c7167f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.5.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/lib.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | inner: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ThreadPool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (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 instant v0.1.12 [INFO] [stderr] Compiling blocking v1.1.0 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling priority-queue v1.2.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling slotmap v1.0.6 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling affinity v0.1.2 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling futures-intrusive v0.4.0 [INFO] [stderr] Compiling switchyard v0.2.1 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling ctor v0.1.21 [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 criterion v0.3.5 [INFO] [stderr] Compiling entangled v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/lib.rs:99:5 [INFO] [stdout] | [INFO] [stdout] 99 | inner: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `ThreadPool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/lib.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (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 test [unoptimized + debuginfo] target(s) in 27.28s [INFO] running `Command { std: "docker" "inspect" "a47c4bc3c289f1ee8528e086f491076349f9682fd978e1f5cfeadf9613c7167f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a47c4bc3c289f1ee8528e086f491076349f9682fd978e1f5cfeadf9613c7167f", kill_on_drop: false }` [INFO] [stdout] a47c4bc3c289f1ee8528e086f491076349f9682fd978e1f5cfeadf9613c7167f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] a322ab045ea4cb177407eb45be8646270c57aa47d22b1405a866c7b5e9def47f [INFO] running `Command { std: "docker" "start" "-a" "a322ab045ea4cb177407eb45be8646270c57aa47d22b1405a866c7b5e9def47f", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `inner` [INFO] [stderr] --> src/lib.rs:99:5 [INFO] [stderr] | [INFO] [stderr] 99 | inner: Arc, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `ThreadPool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/lib.rs:96:10 [INFO] [stderr] | [INFO] [stderr] 96 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `entangled` (lib) generated 1 warning [INFO] [stderr] warning: `entangled` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.23s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/entangled-3d182f48278ce47c) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_task_spawn ... ok [INFO] [stdout] test tests::test_scoped_spawn ... ok [INFO] [stderr] Doc-tests entangled [INFO] [stdout] test tests::test_custom_handler ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - ThreadPool::new (line 107) ... ok [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a322ab045ea4cb177407eb45be8646270c57aa47d22b1405a866c7b5e9def47f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a322ab045ea4cb177407eb45be8646270c57aa47d22b1405a866c7b5e9def47f", kill_on_drop: false }` [INFO] [stdout] a322ab045ea4cb177407eb45be8646270c57aa47d22b1405a866c7b5e9def47f