[INFO] fetching crate stdout-channel 0.4.0...
[INFO] testing stdout-channel-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stdout-channel 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stdout-channel 0.4.0 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 stdout-channel 0.4.0
[INFO] finished tweaking crates.io crate stdout-channel 0.4.0
[INFO] tweaked toml for crates.io crate stdout-channel 0.4.0 written to /workspace/builds/worker-10/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a1307331f82c1e320e64fa78b6ec087affbc0d96fd5030caf12a00bbe5fb35df
[INFO] running `Command { std: "docker" "start" "-a" "a1307331f82c1e320e64fa78b6ec087affbc0d96fd5030caf12a00bbe5fb35df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1307331f82c1e320e64fa78b6ec087affbc0d96fd5030caf12a00bbe5fb35df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1307331f82c1e320e64fa78b6ec087affbc0d96fd5030caf12a00bbe5fb35df", kill_on_drop: false }`
[INFO] [stdout] a1307331f82c1e320e64fa78b6ec087affbc0d96fd5030caf12a00bbe5fb35df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f1c41dc7db5674e924580868adb8dc9aa893b4b63ac2ab2ad5efdc44e86ae6f6
[INFO] running `Command { std: "docker" "start" "-a" "f1c41dc7db5674e924580868adb8dc9aa893b4b63ac2ab2ad5efdc44e86ae6f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling deadqueue v0.2.0
[INFO] [stderr]    Compiling stdout-channel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "f1c41dc7db5674e924580868adb8dc9aa893b4b63ac2ab2ad5efdc44e86ae6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c41dc7db5674e924580868adb8dc9aa893b4b63ac2ab2ad5efdc44e86ae6f6", kill_on_drop: false }`
[INFO] [stdout] f1c41dc7db5674e924580868adb8dc9aa893b4b63ac2ab2ad5efdc44e86ae6f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 34c16ce55ad5507aa6fd351a640f3386fec02e227f415d58809bb2778f938785
[INFO] running `Command { std: "docker" "start" "-a" "34c16ce55ad5507aa6fd351a640f3386fec02e227f415d58809bb2778f938785", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling postgres-protocol v0.6.1
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling postgres-types v0.2.1
[INFO] [stderr]    Compiling smartstring v0.2.9
[INFO] [stderr]    Compiling stack-string v0.2.8
[INFO] [stderr]    Compiling stdout-channel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.86s
[INFO] running `Command { std: "docker" "inspect" "34c16ce55ad5507aa6fd351a640f3386fec02e227f415d58809bb2778f938785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c16ce55ad5507aa6fd351a640f3386fec02e227f415d58809bb2778f938785", kill_on_drop: false }`
[INFO] [stdout] 34c16ce55ad5507aa6fd351a640f3386fec02e227f415d58809bb2778f938785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1f344a03f727e439aa4356824668b6690bfd2e24da8689bdeb381f4a73fc5d9d
[INFO] running `Command { std: "docker" "start" "-a" "1f344a03f727e439aa4356824668b6690bfd2e24da8689bdeb381f4a73fc5d9d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stdout_channel-99cacdb26d76ecca)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] stderr: How it goes
[INFO] [stdout] stdout: Hey There
[INFO] [stdout] What's happening
[INFO] [stderr] stderr: How it goes
[INFO] [stdout] test tests::test_mock_stdout ... ok
[INFO] [stdout] test tests::test_default_mockstdout ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] stdout: Hey There
[INFO] [stdout] What's happening
[INFO] [stdout] test tests::test_stdout_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stdout-channel
[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" "1f344a03f727e439aa4356824668b6690bfd2e24da8689bdeb381f4a73fc5d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f344a03f727e439aa4356824668b6690bfd2e24da8689bdeb381f4a73fc5d9d", kill_on_drop: false }`
[INFO] [stdout] 1f344a03f727e439aa4356824668b6690bfd2e24da8689bdeb381f4a73fc5d9d