[INFO] fetching crate signalo_sinks 0.5.2...
[INFO] testing signalo_sinks-0.5.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate signalo_sinks 0.5.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate signalo_sinks 0.5.2 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 signalo_sinks 0.5.2
[INFO] finished tweaking crates.io crate signalo_sinks 0.5.2
[INFO] tweaked toml for crates.io crate signalo_sinks 0.5.2 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 79e6d4ac1ed030d8ec7633211449d19325361d9a33b2f14a372c572f5c953d33
[INFO] running `Command { std: "docker" "start" "-a" "79e6d4ac1ed030d8ec7633211449d19325361d9a33b2f14a372c572f5c953d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79e6d4ac1ed030d8ec7633211449d19325361d9a33b2f14a372c572f5c953d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e6d4ac1ed030d8ec7633211449d19325361d9a33b2f14a372c572f5c953d33", kill_on_drop: false }`
[INFO] [stdout] 79e6d4ac1ed030d8ec7633211449d19325361d9a33b2f14a372c572f5c953d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9bb5f45798d14fcbc86bdea1b80e7e00106c920b34446321eb8f994436d70167
[INFO] running `Command { std: "docker" "start" "-a" "9bb5f45798d14fcbc86bdea1b80e7e00106c920b34446321eb8f994436d70167", kill_on_drop: false }`
[INFO] [stderr]    Compiling guts v0.1.1
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling signalo_traits v0.5.0
[INFO] [stderr]    Compiling signalo_sinks v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "9bb5f45798d14fcbc86bdea1b80e7e00106c920b34446321eb8f994436d70167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb5f45798d14fcbc86bdea1b80e7e00106c920b34446321eb8f994436d70167", kill_on_drop: false }`
[INFO] [stdout] 9bb5f45798d14fcbc86bdea1b80e7e00106c920b34446321eb8f994436d70167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a76dec3529c2f817e34fac83104d56562ba843723d21ca06ba6ef66b374ce212
[INFO] running `Command { std: "docker" "start" "-a" "a76dec3529c2f817e34fac83104d56562ba843723d21ca06ba6ef66b374ce212", kill_on_drop: false }`
[INFO] [stderr]    Compiling nearly_eq v0.2.4
[INFO] [stderr]    Compiling signalo_sinks v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "a76dec3529c2f817e34fac83104d56562ba843723d21ca06ba6ef66b374ce212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76dec3529c2f817e34fac83104d56562ba843723d21ca06ba6ef66b374ce212", kill_on_drop: false }`
[INFO] [stdout] a76dec3529c2f817e34fac83104d56562ba843723d21ca06ba6ef66b374ce212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 69a3700aac95dd55d1e8a5328f1129e429e9538a6ce7e9d3af4cb140d00bc26f
[INFO] running `Command { std: "docker" "start" "-a" "69a3700aac95dd55d1e8a5328f1129e429e9538a6ce7e9d3af4cb140d00bc26f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signalo_sinks-76726893272ecab2)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test bounds::tests::test ... ok
[INFO] [stdout] test last::tests::test ... ok
[INFO] [stdout] test max::tests::test ... ok
[INFO] [stdout] test integrate::tests::test ... ok
[INFO] [stdout] test mean::tests::non_empty ... ok
[INFO] [stdout] test statistics::tests::test ... ok
[INFO] [stdout] test min::tests::test ... ok
[INFO] [stdout] test mean::tests::empty ... ok
[INFO] [stdout] test mean_variance::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signalo_sinks
[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" "69a3700aac95dd55d1e8a5328f1129e429e9538a6ce7e9d3af4cb140d00bc26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a3700aac95dd55d1e8a5328f1129e429e9538a6ce7e9d3af4cb140d00bc26f", kill_on_drop: false }`
[INFO] [stdout] 69a3700aac95dd55d1e8a5328f1129e429e9538a6ce7e9d3af4cb140d00bc26f