[INFO] fetching crate wg 0.1.1...
[INFO] testing wg-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate wg 0.1.1 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate wg 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wg 0.1.1
[INFO] finished tweaking crates.io crate wg 0.1.1
[INFO] tweaked toml for crates.io crate wg 0.1.1 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 992fd4ade1f5d61b5b5a256b1b756c82dbfadc76cf6e9a2e176d63f6e166acba
[INFO] running `Command { std: "docker" "start" "-a" "992fd4ade1f5d61b5b5a256b1b756c82dbfadc76cf6e9a2e176d63f6e166acba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992fd4ade1f5d61b5b5a256b1b756c82dbfadc76cf6e9a2e176d63f6e166acba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992fd4ade1f5d61b5b5a256b1b756c82dbfadc76cf6e9a2e176d63f6e166acba", kill_on_drop: false }`
[INFO] [stdout] 992fd4ade1f5d61b5b5a256b1b756c82dbfadc76cf6e9a2e176d63f6e166acba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5f2c86e081b003659327864a9ac898ae89fe99a32d91da5e61b7034876ca51
[INFO] running `Command { std: "docker" "start" "-a" "cb5f2c86e081b003659327864a9ac898ae89fe99a32d91da5e61b7034876ca51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling wg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "cb5f2c86e081b003659327864a9ac898ae89fe99a32d91da5e61b7034876ca51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5f2c86e081b003659327864a9ac898ae89fe99a32d91da5e61b7034876ca51", kill_on_drop: false }`
[INFO] [stdout] cb5f2c86e081b003659327864a9ac898ae89fe99a32d91da5e61b7034876ca51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca1ae3eaf031445dd90affcebb57aa0e37879086e3280cd8583e2aa259ab17c9
[INFO] running `Command { std: "docker" "start" "-a" "ca1ae3eaf031445dd90affcebb57aa0e37879086e3280cd8583e2aa259ab17c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling wg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "ca1ae3eaf031445dd90affcebb57aa0e37879086e3280cd8583e2aa259ab17c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1ae3eaf031445dd90affcebb57aa0e37879086e3280cd8583e2aa259ab17c9", kill_on_drop: false }`
[INFO] [stdout] ca1ae3eaf031445dd90affcebb57aa0e37879086e3280cd8583e2aa259ab17c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88818a6c1bf2b8e657c0efa53073349d9edc85f755e3b8c7f90bdd2a32704996
[INFO] running `Command { std: "docker" "start" "-a" "88818a6c1bf2b8e657c0efa53073349d9edc85f755e3b8c7f90bdd2a32704996", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wg-30995cd078c2e002)
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests wg
[INFO] [stdout] test test::test_async_wait_group_nested ... ok
[INFO] [stdout] test test::test_clone_and_fmt ... ok
[INFO] [stdout] test test::test_async_wait_group_reuse ... ok
[INFO] [stdout] test test::test_sync_wait_group_nested ... ok
[INFO] [stdout] test test::test_async_wait_group ... ok
[INFO] [stdout] test test::test_sync_wait_group_reuse ... ok
[INFO] [stdout] test test::test_sync_wait_group ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - WaitGroup::new (line 243) ... ok
[INFO] [stdout] test src/lib.rs - WaitGroup::done (line 300) ... ok
[INFO] [stdout] test src/lib.rs - WaitGroup::add (line 263) ... ok
[INFO] [stdout] test src/lib.rs - WaitGroup::wait (line 336) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/lib.rs - WaitGroup (line 173) ... ok
[INFO] [stdout] test src/lib.rs - AsyncWaitGroup::done (line 506) ... ok
[INFO] [stdout] test src/lib.rs - AsyncWaitGroup::wait (line 550) ... ok
[INFO] [stdout] test src/lib.rs - AsyncWaitGroup::add (line 473) ... ok
[INFO] [stdout] test src/lib.rs - AsyncWaitGroup (line 392) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88818a6c1bf2b8e657c0efa53073349d9edc85f755e3b8c7f90bdd2a32704996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88818a6c1bf2b8e657c0efa53073349d9edc85f755e3b8c7f90bdd2a32704996", kill_on_drop: false }`
[INFO] [stdout] 88818a6c1bf2b8e657c0efa53073349d9edc85f755e3b8c7f90bdd2a32704996