[INFO] fetching crate signalo_traits 0.5.0...
[INFO] testing signalo_traits-0.5.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate signalo_traits 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate signalo_traits 0.5.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalo_traits 0.5.0
[INFO] finished tweaking crates.io crate signalo_traits 0.5.0
[INFO] tweaked toml for crates.io crate signalo_traits 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded replace_with v0.1.7
[INFO] [stderr]   Downloaded guts v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23be39bc8fea5fd21bbaf2b171610fa482f8b505d9d41be02c2b2b37d4a0f47d
[INFO] running `Command { std: "docker" "start" "-a" "23be39bc8fea5fd21bbaf2b171610fa482f8b505d9d41be02c2b2b37d4a0f47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23be39bc8fea5fd21bbaf2b171610fa482f8b505d9d41be02c2b2b37d4a0f47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23be39bc8fea5fd21bbaf2b171610fa482f8b505d9d41be02c2b2b37d4a0f47d", kill_on_drop: false }`
[INFO] [stdout] 23be39bc8fea5fd21bbaf2b171610fa482f8b505d9d41be02c2b2b37d4a0f47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05273f568dbcff907a2017e3505186d3cb2c4d9be0551b92dc888b327f3c4383
[INFO] running `Command { std: "docker" "start" "-a" "05273f568dbcff907a2017e3505186d3cb2c4d9be0551b92dc888b327f3c4383", kill_on_drop: false }`
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling guts v0.1.1
[INFO] [stderr]    Compiling signalo_traits v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "05273f568dbcff907a2017e3505186d3cb2c4d9be0551b92dc888b327f3c4383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05273f568dbcff907a2017e3505186d3cb2c4d9be0551b92dc888b327f3c4383", kill_on_drop: false }`
[INFO] [stdout] 05273f568dbcff907a2017e3505186d3cb2c4d9be0551b92dc888b327f3c4383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 662696c54966d44dcef8b5ccb2c0d653c048cfc21757aa6ded03cbf17530fdd0
[INFO] running `Command { std: "docker" "start" "-a" "662696c54966d44dcef8b5ccb2c0d653c048cfc21757aa6ded03cbf17530fdd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling signalo_traits v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "662696c54966d44dcef8b5ccb2c0d653c048cfc21757aa6ded03cbf17530fdd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "662696c54966d44dcef8b5ccb2c0d653c048cfc21757aa6ded03cbf17530fdd0", kill_on_drop: false }`
[INFO] [stdout] 662696c54966d44dcef8b5ccb2c0d653c048cfc21757aa6ded03cbf17530fdd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 129c2daf9b1402ff9287ea9fec2163edebfcbed89f3a3e3d1fd8b4417ff9d93c
[INFO] running `Command { std: "docker" "start" "-a" "129c2daf9b1402ff9287ea9fec2163edebfcbed89f3a3e3d1fd8b4417ff9d93c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signalo_traits-a93367f80db1d537)
[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]    Doc-tests signalo_traits
[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" "129c2daf9b1402ff9287ea9fec2163edebfcbed89f3a3e3d1fd8b4417ff9d93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "129c2daf9b1402ff9287ea9fec2163edebfcbed89f3a3e3d1fd8b4417ff9d93c", kill_on_drop: false }`
[INFO] [stdout] 129c2daf9b1402ff9287ea9fec2163edebfcbed89f3a3e3d1fd8b4417ff9d93c