[INFO] fetching crate errors_rust 0.1.0...
[INFO] testing errors_rust-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate errors_rust 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate errors_rust 0.1.0 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 errors_rust 0.1.0
[INFO] finished tweaking crates.io crate errors_rust 0.1.0
[INFO] tweaked toml for crates.io crate errors_rust 0.1.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2f4b9241af07ec01fe9f278d83fcf18b0d8edef037e8497d6648fb57b8955843
[INFO] running `Command { std: "docker" "start" "-a" "2f4b9241af07ec01fe9f278d83fcf18b0d8edef037e8497d6648fb57b8955843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4b9241af07ec01fe9f278d83fcf18b0d8edef037e8497d6648fb57b8955843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4b9241af07ec01fe9f278d83fcf18b0d8edef037e8497d6648fb57b8955843", kill_on_drop: false }`
[INFO] [stdout] 2f4b9241af07ec01fe9f278d83fcf18b0d8edef037e8497d6648fb57b8955843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ae53851a724c61a2f83868bff937d0ea1aa0ebda51a7f3eb2f7b1d6ddc6fc4d0
[INFO] running `Command { std: "docker" "start" "-a" "ae53851a724c61a2f83868bff937d0ea1aa0ebda51a7f3eb2f7b1d6ddc6fc4d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling errors_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "ae53851a724c61a2f83868bff937d0ea1aa0ebda51a7f3eb2f7b1d6ddc6fc4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae53851a724c61a2f83868bff937d0ea1aa0ebda51a7f3eb2f7b1d6ddc6fc4d0", kill_on_drop: false }`
[INFO] [stdout] ae53851a724c61a2f83868bff937d0ea1aa0ebda51a7f3eb2f7b1d6ddc6fc4d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d82871cfd5ca4f62d9d4379cdd0fb5c452d59d8e0dfe116a5ea681b71d4a667b
[INFO] running `Command { std: "docker" "start" "-a" "d82871cfd5ca4f62d9d4379cdd0fb5c452d59d8e0dfe116a5ea681b71d4a667b", kill_on_drop: false }`
[INFO] [stderr]    Compiling errors_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d82871cfd5ca4f62d9d4379cdd0fb5c452d59d8e0dfe116a5ea681b71d4a667b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82871cfd5ca4f62d9d4379cdd0fb5c452d59d8e0dfe116a5ea681b71d4a667b", kill_on_drop: false }`
[INFO] [stdout] d82871cfd5ca4f62d9d4379cdd0fb5c452d59d8e0dfe116a5ea681b71d4a667b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 32b523ed5f96c3ae4027bcbec5a8f813bc716740d099dac88599f15df58c2036
[INFO] running `Command { std: "docker" "start" "-a" "32b523ed5f96c3ae4027bcbec5a8f813bc716740d099dac88599f15df58c2036", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/errors_rust-a48cb216d0395cf2)
[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]    Doc-tests errors_rust
[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" "32b523ed5f96c3ae4027bcbec5a8f813bc716740d099dac88599f15df58c2036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b523ed5f96c3ae4027bcbec5a8f813bc716740d099dac88599f15df58c2036", kill_on_drop: false }`
[INFO] [stdout] 32b523ed5f96c3ae4027bcbec5a8f813bc716740d099dac88599f15df58c2036