[INFO] fetching crate mpmc 0.1.6...
[INFO] testing mpmc-0.1.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mpmc 0.1.6 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate mpmc 0.1.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpmc 0.1.6
[INFO] finished tweaking crates.io crate mpmc 0.1.6
[INFO] tweaked toml for crates.io crate mpmc 0.1.6 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5f2d1d715c039e53c2f5ffdb1d736af4187bbb18df2e18f8dca2b38906de14f
[INFO] running `Command { std: "docker" "start" "-a" "e5f2d1d715c039e53c2f5ffdb1d736af4187bbb18df2e18f8dca2b38906de14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f2d1d715c039e53c2f5ffdb1d736af4187bbb18df2e18f8dca2b38906de14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f2d1d715c039e53c2f5ffdb1d736af4187bbb18df2e18f8dca2b38906de14f", kill_on_drop: false }`
[INFO] [stdout] e5f2d1d715c039e53c2f5ffdb1d736af4187bbb18df2e18f8dca2b38906de14f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b56e06a8b31885c47a3e56ff36e7a96e601aa43fa3c6d9adcb8647c38f8ba23e
[INFO] running `Command { std: "docker" "start" "-a" "b56e06a8b31885c47a3e56ff36e7a96e601aa43fa3c6d9adcb8647c38f8ba23e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpmc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "b56e06a8b31885c47a3e56ff36e7a96e601aa43fa3c6d9adcb8647c38f8ba23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b56e06a8b31885c47a3e56ff36e7a96e601aa43fa3c6d9adcb8647c38f8ba23e", kill_on_drop: false }`
[INFO] [stdout] b56e06a8b31885c47a3e56ff36e7a96e601aa43fa3c6d9adcb8647c38f8ba23e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 016f1dd5dfa9762af5c99785860a42ee7d7352bb3fb0da8c23badb66ed1fea12
[INFO] running `Command { std: "docker" "start" "-a" "016f1dd5dfa9762af5c99785860a42ee7d7352bb3fb0da8c23badb66ed1fea12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpmc v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "016f1dd5dfa9762af5c99785860a42ee7d7352bb3fb0da8c23badb66ed1fea12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f1dd5dfa9762af5c99785860a42ee7d7352bb3fb0da8c23badb66ed1fea12", kill_on_drop: false }`
[INFO] [stdout] 016f1dd5dfa9762af5c99785860a42ee7d7352bb3fb0da8c23badb66ed1fea12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c3a2019bbd2a2c4a9785e2ad5b1ecbcacbd0cb610a2cb29e76db5b285a6887c
[INFO] running `Command { std: "docker" "start" "-a" "7c3a2019bbd2a2c4a9785e2ad5b1ecbcacbd0cb610a2cb29e76db5b285a6887c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpmc-6a25cdbedfe03a19)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests mpmc
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c3a2019bbd2a2c4a9785e2ad5b1ecbcacbd0cb610a2cb29e76db5b285a6887c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3a2019bbd2a2c4a9785e2ad5b1ecbcacbd0cb610a2cb29e76db5b285a6887c", kill_on_drop: false }`
[INFO] [stdout] 7c3a2019bbd2a2c4a9785e2ad5b1ecbcacbd0cb610a2cb29e76db5b285a6887c