[INFO] fetching crate errors 0.0.0...
[INFO] testing errors-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate errors 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate errors 0.0.0 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 0.0.0
[INFO] finished tweaking crates.io crate errors 0.0.0
[INFO] tweaked toml for crates.io crate errors 0.0.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 37568a2621cb49a6cad063e6c2d4fbc20e1da999175c13d1bff64b5e0a060e92
[INFO] running `Command { std: "docker" "start" "-a" "37568a2621cb49a6cad063e6c2d4fbc20e1da999175c13d1bff64b5e0a060e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37568a2621cb49a6cad063e6c2d4fbc20e1da999175c13d1bff64b5e0a060e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37568a2621cb49a6cad063e6c2d4fbc20e1da999175c13d1bff64b5e0a060e92", kill_on_drop: false }`
[INFO] [stdout] 37568a2621cb49a6cad063e6c2d4fbc20e1da999175c13d1bff64b5e0a060e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 072bfd94f9a3ef38966a0db5be67dde835730f3d83643c8d48591be3c721ac6c
[INFO] running `Command { std: "docker" "start" "-a" "072bfd94f9a3ef38966a0db5be67dde835730f3d83643c8d48591be3c721ac6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling errors v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "072bfd94f9a3ef38966a0db5be67dde835730f3d83643c8d48591be3c721ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072bfd94f9a3ef38966a0db5be67dde835730f3d83643c8d48591be3c721ac6c", kill_on_drop: false }`
[INFO] [stdout] 072bfd94f9a3ef38966a0db5be67dde835730f3d83643c8d48591be3c721ac6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f331c2b9e653eba2e59359368ace97a53dde4ee1b7e1a6a49034e706ec81f024
[INFO] running `Command { std: "docker" "start" "-a" "f331c2b9e653eba2e59359368ace97a53dde4ee1b7e1a6a49034e706ec81f024", kill_on_drop: false }`
[INFO] [stderr]    Compiling errors v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f331c2b9e653eba2e59359368ace97a53dde4ee1b7e1a6a49034e706ec81f024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f331c2b9e653eba2e59359368ace97a53dde4ee1b7e1a6a49034e706ec81f024", kill_on_drop: false }`
[INFO] [stdout] f331c2b9e653eba2e59359368ace97a53dde4ee1b7e1a6a49034e706ec81f024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1de9f8452416b9e893af0712a883a75b149c50288210a8cb9092b9ccc1bd9327
[INFO] running `Command { std: "docker" "start" "-a" "1de9f8452416b9e893af0712a883a75b149c50288210a8cb9092b9ccc1bd9327", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/errors-5d07df4c37e54f89)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests errors
[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] [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" "1de9f8452416b9e893af0712a883a75b149c50288210a8cb9092b9ccc1bd9327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de9f8452416b9e893af0712a883a75b149c50288210a8cb9092b9ccc1bd9327", kill_on_drop: false }`
[INFO] [stdout] 1de9f8452416b9e893af0712a883a75b149c50288210a8cb9092b9ccc1bd9327