[INFO] fetching crate message-channel 0.0.1...
[INFO] testing message-channel-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate message-channel 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate message-channel 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate message-channel 0.0.1
[INFO] tweaked toml for crates.io crate message-channel 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate message-channel 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c76e774f5ac89b66fcf740f98c8be8bb3e4ee97aba92e9e7f02de3ad39b3e30c
[INFO] running `Command { std: "docker" "start" "-a" "c76e774f5ac89b66fcf740f98c8be8bb3e4ee97aba92e9e7f02de3ad39b3e30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76e774f5ac89b66fcf740f98c8be8bb3e4ee97aba92e9e7f02de3ad39b3e30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76e774f5ac89b66fcf740f98c8be8bb3e4ee97aba92e9e7f02de3ad39b3e30c", kill_on_drop: false }`
[INFO] [stdout] c76e774f5ac89b66fcf740f98c8be8bb3e4ee97aba92e9e7f02de3ad39b3e30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad895d409b7c5eec37e32dea7172733d2b874c8b38ecd9102e6525a033e09ac
[INFO] running `Command { std: "docker" "start" "-a" "0ad895d409b7c5eec37e32dea7172733d2b874c8b38ecd9102e6525a033e09ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling message-channel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "0ad895d409b7c5eec37e32dea7172733d2b874c8b38ecd9102e6525a033e09ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad895d409b7c5eec37e32dea7172733d2b874c8b38ecd9102e6525a033e09ac", kill_on_drop: false }`
[INFO] [stdout] 0ad895d409b7c5eec37e32dea7172733d2b874c8b38ecd9102e6525a033e09ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6e9d30513cdc79e7813a972d4a63be5523609fe265a0e1329f524cec8c559b
[INFO] running `Command { std: "docker" "start" "-a" "3a6e9d30513cdc79e7813a972d4a63be5523609fe265a0e1329f524cec8c559b", kill_on_drop: false }`
[INFO] [stderr]    Compiling message-channel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "3a6e9d30513cdc79e7813a972d4a63be5523609fe265a0e1329f524cec8c559b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6e9d30513cdc79e7813a972d4a63be5523609fe265a0e1329f524cec8c559b", kill_on_drop: false }`
[INFO] [stdout] 3a6e9d30513cdc79e7813a972d4a63be5523609fe265a0e1329f524cec8c559b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d6a4624877ede5e8abcca52b58220fd442f934c51678999b4f15963c3090bfc
[INFO] running `Command { std: "docker" "start" "-a" "4d6a4624877ede5e8abcca52b58220fd442f934c51678999b4f15963c3090bfc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/message_channel-119291157e830ae2)
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e6538e5e2689b3b1)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test receive_empty_channel ... ok
[INFO] [stdout] test concurrent_send_receive ... ok
[INFO] [stdout] test send_receive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests message_channel
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 134) ... ok
[INFO] [stdout] test src/lib.rs - Channel<T>::create (line 50) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 96) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d6a4624877ede5e8abcca52b58220fd442f934c51678999b4f15963c3090bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6a4624877ede5e8abcca52b58220fd442f934c51678999b4f15963c3090bfc", kill_on_drop: false }`
[INFO] [stdout] 4d6a4624877ede5e8abcca52b58220fd442f934c51678999b4f15963c3090bfc