[INFO] fetching crate noworkers 0.1.0...
[INFO] testing noworkers-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate noworkers 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate noworkers 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate noworkers 0.1.0
[INFO] tweaked toml for crates.io crate noworkers 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate noworkers 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate noworkers 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded libc v0.2.146
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bba36daf0ff030dd16bc3abdc0e9fabc656950a36cdc75f3d16957881b9321c0
[INFO] running `Command { std: "docker" "start" "-a" "bba36daf0ff030dd16bc3abdc0e9fabc656950a36cdc75f3d16957881b9321c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba36daf0ff030dd16bc3abdc0e9fabc656950a36cdc75f3d16957881b9321c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba36daf0ff030dd16bc3abdc0e9fabc656950a36cdc75f3d16957881b9321c0", kill_on_drop: false }`
[INFO] [stdout] bba36daf0ff030dd16bc3abdc0e9fabc656950a36cdc75f3d16957881b9321c0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba2f0600c4729fdc19a7580ca10ae6b829c019e9b9dc0883fb93ea5b7baff7f
[INFO] running `Command { std: "docker" "start" "-a" "aba2f0600c4729fdc19a7580ca10ae6b829c019e9b9dc0883fb93ea5b7baff7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling noworkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.63s
[INFO] running `Command { std: "docker" "inspect" "aba2f0600c4729fdc19a7580ca10ae6b829c019e9b9dc0883fb93ea5b7baff7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba2f0600c4729fdc19a7580ca10ae6b829c019e9b9dc0883fb93ea5b7baff7f", kill_on_drop: false }`
[INFO] [stdout] aba2f0600c4729fdc19a7580ca10ae6b829c019e9b9dc0883fb93ea5b7baff7f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b58d5163da8dbd82186da9d53d6b55fd9bbf84da80e47aef533a65ecc9d89c38
[INFO] running `Command { std: "docker" "start" "-a" "b58d5163da8dbd82186da9d53d6b55fd9bbf84da80e47aef533a65ecc9d89c38", kill_on_drop: false }`
[INFO] [stderr]    Compiling noworkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "b58d5163da8dbd82186da9d53d6b55fd9bbf84da80e47aef533a65ecc9d89c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58d5163da8dbd82186da9d53d6b55fd9bbf84da80e47aef533a65ecc9d89c38", kill_on_drop: false }`
[INFO] [stdout] b58d5163da8dbd82186da9d53d6b55fd9bbf84da80e47aef533a65ecc9d89c38
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66d05a46173690731e0886ab7d0b9d49a9f39a24a72d7fe9dc431a1b264aa548
[INFO] running `Command { std: "docker" "start" "-a" "66d05a46173690731e0886ab7d0b9d49a9f39a24a72d7fe9dc431a1b264aa548", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/noworkers-4086a756d542a7f8)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::test_are_concurrent ... ok
[INFO] [stdout] test test::test_wait_called_twice ... ok
[INFO] [stdout] test test::test_blocking ... ok
[INFO] [stdout] test test::test_multiple_errors ... ok
[INFO] [stdout] test test::test_wait_is_optional ... ok
[INFO] [stdout] test test::test_wait_is_optional_err ... ok
[INFO] [stdout] test test::test_cancellation ... ok
[INFO] [stdout] test test::test_cancellation_task ... ok
[INFO] [stdout] test test::test_limits_work ... ok
[INFO] [stdout] test test::test_group_waits_are_cancelled_on_error ... ok
[INFO] [stdout] test test::test_worker_can_return_error ... ok
[INFO] [stdout] test test::test_can_start_worker_group ... ok
[INFO] [stdout] test test::test_group_waits ... ok
[INFO] [stderr]    Doc-tests noworkers
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - (line 139) ... ok
[INFO] [stdout] test src/lib.rs - (line 169) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Workers::add (line 581) ... ok
[INFO] [stdout] test src/lib.rs - Workers (line 268) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - Workers::with_cancel (line 414) ... ok
[INFO] [stdout] test src/lib.rs - Workers::new (line 384) ... ok
[INFO] [stdout] test src/lib.rs - Workers::add (line 596) ... ok
[INFO] [stdout] test src/lib.rs - Workers (line 287) ... ok
[INFO] [stdout] test src/lib.rs - Workers::wait (line 685) ... ok
[INFO] [stdout] test src/lib.rs - Workers::wait (line 664) ... ok
[INFO] [stdout] test src/lib.rs - Workers::with_limit (line 520) ... ok
[INFO] [stdout] test src/lib.rs - Workers::with_cancel_task (line 463) ... ok
[INFO] [stdout] test src/lib.rs - extensions::WithSysLimitCpus::with_limit_to_system_cpus (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66d05a46173690731e0886ab7d0b9d49a9f39a24a72d7fe9dc431a1b264aa548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d05a46173690731e0886ab7d0b9d49a9f39a24a72d7fe9dc431a1b264aa548", kill_on_drop: false }`
[INFO] [stdout] 66d05a46173690731e0886ab7d0b9d49a9f39a24a72d7fe9dc431a1b264aa548