[INFO] fetching crate ipc-chan 0.8.0...
[INFO] testing ipc-chan-0.8.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ipc-chan 0.8.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate ipc-chan 0.8.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipc-chan 0.8.0
[INFO] finished tweaking crates.io crate ipc-chan 0.8.0
[INFO] tweaked toml for crates.io crate ipc-chan 0.8.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52ce08fa6733453acc44e4c28e7386556937f71b0f083e60b9f6318bd2be9d9c
[INFO] running `Command { std: "docker" "start" "-a" "52ce08fa6733453acc44e4c28e7386556937f71b0f083e60b9f6318bd2be9d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ce08fa6733453acc44e4c28e7386556937f71b0f083e60b9f6318bd2be9d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ce08fa6733453acc44e4c28e7386556937f71b0f083e60b9f6318bd2be9d9c", kill_on_drop: false }`
[INFO] [stdout] 52ce08fa6733453acc44e4c28e7386556937f71b0f083e60b9f6318bd2be9d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc3e9045fbff3595dfbc09c26c5fc1de6c351137907daa72fa1476803efc42a9
[INFO] running `Command { std: "docker" "start" "-a" "fc3e9045fbff3595dfbc09c26c5fc1de6c351137907daa72fa1476803efc42a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ipc-chan v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.86s
[INFO] running `Command { std: "docker" "inspect" "fc3e9045fbff3595dfbc09c26c5fc1de6c351137907daa72fa1476803efc42a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3e9045fbff3595dfbc09c26c5fc1de6c351137907daa72fa1476803efc42a9", kill_on_drop: false }`
[INFO] [stdout] fc3e9045fbff3595dfbc09c26c5fc1de6c351137907daa72fa1476803efc42a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a86a4235911ff2bfdb3f17bfcfdf386b3e6d24b0d61d8eeb0c177bfcffe26d9
[INFO] running `Command { std: "docker" "start" "-a" "0a86a4235911ff2bfdb3f17bfcfdf386b3e6d24b0d61d8eeb0c177bfcffe26d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ipc-chan v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "0a86a4235911ff2bfdb3f17bfcfdf386b3e6d24b0d61d8eeb0c177bfcffe26d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a86a4235911ff2bfdb3f17bfcfdf386b3e6d24b0d61d8eeb0c177bfcffe26d9", kill_on_drop: false }`
[INFO] [stdout] 0a86a4235911ff2bfdb3f17bfcfdf386b3e6d24b0d61d8eeb0c177bfcffe26d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fd7545fcdf4bac469756dfcbfcc1b95997fed0b07eb6128ffeaf8d0d22f694f
[INFO] running `Command { std: "docker" "start" "-a" "4fd7545fcdf4bac469756dfcbfcc1b95997fed0b07eb6128ffeaf8d0d22f694f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipc_chan-c4419df7c77f1fb0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::read_config_file ... ok
[INFO] [stdout] test tests::send_and_receive_msg ... ok
[INFO] [stdout] test tests::send_str_macro ... ok
[INFO] [stdout] test tests::multiple_senders ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipc-chan
[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" "4fd7545fcdf4bac469756dfcbfcc1b95997fed0b07eb6128ffeaf8d0d22f694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd7545fcdf4bac469756dfcbfcc1b95997fed0b07eb6128ffeaf8d0d22f694f", kill_on_drop: false }`
[INFO] [stdout] 4fd7545fcdf4bac469756dfcbfcc1b95997fed0b07eb6128ffeaf8d0d22f694f