[INFO] fetching crate taskwait 0.4.1...
[INFO] testing taskwait-0.4.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate taskwait 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate taskwait 0.4.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taskwait 0.4.1
[INFO] finished tweaking crates.io crate taskwait 0.4.1
[INFO] tweaked toml for crates.io crate taskwait 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfe86cc808287dc245c4ffbf18001af9d70bb80d119b44fad5b3fc3d821b2342
[INFO] running `Command { std: "docker" "start" "-a" "dfe86cc808287dc245c4ffbf18001af9d70bb80d119b44fad5b3fc3d821b2342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe86cc808287dc245c4ffbf18001af9d70bb80d119b44fad5b3fc3d821b2342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe86cc808287dc245c4ffbf18001af9d70bb80d119b44fad5b3fc3d821b2342", kill_on_drop: false }`
[INFO] [stdout] dfe86cc808287dc245c4ffbf18001af9d70bb80d119b44fad5b3fc3d821b2342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a7cf0797649f2260c84e566fb4a66007471c85271752a2c90809ce570386ac0
[INFO] running `Command { std: "docker" "start" "-a" "7a7cf0797649f2260c84e566fb4a66007471c85271752a2c90809ce570386ac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling taskwait v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.99s
[INFO] running `Command { std: "docker" "inspect" "7a7cf0797649f2260c84e566fb4a66007471c85271752a2c90809ce570386ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7cf0797649f2260c84e566fb4a66007471c85271752a2c90809ce570386ac0", kill_on_drop: false }`
[INFO] [stdout] 7a7cf0797649f2260c84e566fb4a66007471c85271752a2c90809ce570386ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a55cbb673f185de6208b70c59507b5e47ef2bb0fe424289ad48d8df4d1616f24
[INFO] running `Command { std: "docker" "start" "-a" "a55cbb673f185de6208b70c59507b5e47ef2bb0fe424289ad48d8df4d1616f24", 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 libc v0.2.123
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling taskwait v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.02s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/taskwait-93a2399a7a090b87)
[INFO] running `Command { std: "docker" "inspect" "a55cbb673f185de6208b70c59507b5e47ef2bb0fe424289ad48d8df4d1616f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55cbb673f185de6208b70c59507b5e47ef2bb0fe424289ad48d8df4d1616f24", kill_on_drop: false }`
[INFO] [stdout] a55cbb673f185de6208b70c59507b5e47ef2bb0fe424289ad48d8df4d1616f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93767674be0ac02758c2c55252295caa20601888b383f254ccb21ab6b050b7f1
[INFO] running `Command { std: "docker" "start" "-a" "93767674be0ac02758c2c55252295caa20601888b383f254ccb21ab6b050b7f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/taskwait-93a2399a7a090b87)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::basic_test_add0_work ... ok
[INFO] [stdout] test tests::neg_wait ... ok
[INFO] [stdout] test tests::basic_test_addn_donen ... ok
[INFO] [stdout] test tests::basic_test_add ... ok
[INFO] [stdout] test tests::basic_test_add_work ... ok
[INFO] [stdout] test tests::basic_test_addn_workn ... ok
[INFO] [stdout] test tests::basic_test_add_work_resuse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests taskwait
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 29) - compile ... ok
[INFO] [stdout] test src/lib.rs - TaskGroup::wait (line 149) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 50) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93767674be0ac02758c2c55252295caa20601888b383f254ccb21ab6b050b7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93767674be0ac02758c2c55252295caa20601888b383f254ccb21ab6b050b7f1", kill_on_drop: false }`
[INFO] [stdout] 93767674be0ac02758c2c55252295caa20601888b383f254ccb21ab6b050b7f1