[INFO] fetching crate signalo_traits 0.5.1...
[INFO] testing signalo_traits-0.5.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate signalo_traits 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate signalo_traits 0.5.1
[INFO] finished tweaking crates.io crate signalo_traits 0.5.1
[INFO] tweaked toml for crates.io crate signalo_traits 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signalo_traits 0.5.1 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] crate crates.io crate signalo_traits 0.5.1 already has a lockfile, it will not be regenerated
[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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded guts v0.2.0
[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] bfae2a5c72ab092e867645349a3f2b71cde1ec0eab13024e74ee8a5908c249ca
[INFO] running `Command { std: "docker" "start" "-a" "bfae2a5c72ab092e867645349a3f2b71cde1ec0eab13024e74ee8a5908c249ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfae2a5c72ab092e867645349a3f2b71cde1ec0eab13024e74ee8a5908c249ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfae2a5c72ab092e867645349a3f2b71cde1ec0eab13024e74ee8a5908c249ca", kill_on_drop: false }`
[INFO] [stdout] bfae2a5c72ab092e867645349a3f2b71cde1ec0eab13024e74ee8a5908c249ca
[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] 78b4ba233911a88eea1a66c2ccf5d0a558c5c11668fad952209bc909aebdacc3
[INFO] running `Command { std: "docker" "start" "-a" "78b4ba233911a88eea1a66c2ccf5d0a558c5c11668fad952209bc909aebdacc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling guts v0.2.0
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling signalo_traits v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "78b4ba233911a88eea1a66c2ccf5d0a558c5c11668fad952209bc909aebdacc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b4ba233911a88eea1a66c2ccf5d0a558c5c11668fad952209bc909aebdacc3", kill_on_drop: false }`
[INFO] [stdout] 78b4ba233911a88eea1a66c2ccf5d0a558c5c11668fad952209bc909aebdacc3
[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] 3a0260b3a4e2e145f8daae1687cbfd2fc0d59303db4fe2654addf894b7b92924
[INFO] running `Command { std: "docker" "start" "-a" "3a0260b3a4e2e145f8daae1687cbfd2fc0d59303db4fe2654addf894b7b92924", kill_on_drop: false }`
[INFO] [stderr]    Compiling signalo_traits v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "3a0260b3a4e2e145f8daae1687cbfd2fc0d59303db4fe2654addf894b7b92924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0260b3a4e2e145f8daae1687cbfd2fc0d59303db4fe2654addf894b7b92924", kill_on_drop: false }`
[INFO] [stdout] 3a0260b3a4e2e145f8daae1687cbfd2fc0d59303db4fe2654addf894b7b92924
[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] f5adbc43bbea21f6b0a0b3fa6020c37f7968d0a18ae2b5218bd298d64960de1e
[INFO] running `Command { std: "docker" "start" "-a" "f5adbc43bbea21f6b0a0b3fa6020c37f7968d0a18ae2b5218bd298d64960de1e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/signalo_traits-87da1418f07cca39)
[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" "f5adbc43bbea21f6b0a0b3fa6020c37f7968d0a18ae2b5218bd298d64960de1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5adbc43bbea21f6b0a0b3fa6020c37f7968d0a18ae2b5218bd298d64960de1e", kill_on_drop: false }`
[INFO] [stdout] f5adbc43bbea21f6b0a0b3fa6020c37f7968d0a18ae2b5218bd298d64960de1e