[INFO] fetching crate unborrow 0.3.1...
[INFO] testing unborrow-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate unborrow 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate unborrow 0.3.1 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 unborrow 0.3.1
[INFO] finished tweaking crates.io crate unborrow 0.3.1
[INFO] tweaked toml for crates.io crate unborrow 0.3.1 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] 8dd491d9b70ed26bd461dda84fd45c1c61b424f6916e134de664586873b5b724
[INFO] running `Command { std: "docker" "start" "-a" "8dd491d9b70ed26bd461dda84fd45c1c61b424f6916e134de664586873b5b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd491d9b70ed26bd461dda84fd45c1c61b424f6916e134de664586873b5b724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd491d9b70ed26bd461dda84fd45c1c61b424f6916e134de664586873b5b724", kill_on_drop: false }`
[INFO] [stdout] 8dd491d9b70ed26bd461dda84fd45c1c61b424f6916e134de664586873b5b724
[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] 809721d1a24ee51e56c3e44d43e7cfdde4f7b4c9b85d111858cda50e50b2f321
[INFO] running `Command { std: "docker" "start" "-a" "809721d1a24ee51e56c3e44d43e7cfdde4f7b4c9b85d111858cda50e50b2f321", kill_on_drop: false }`
[INFO] [stderr]    Compiling unborrow v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "809721d1a24ee51e56c3e44d43e7cfdde4f7b4c9b85d111858cda50e50b2f321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809721d1a24ee51e56c3e44d43e7cfdde4f7b4c9b85d111858cda50e50b2f321", kill_on_drop: false }`
[INFO] [stdout] 809721d1a24ee51e56c3e44d43e7cfdde4f7b4c9b85d111858cda50e50b2f321
[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] b0121eafdf8eb1e401c25970e51aa984e267e3307dc08a8ca4a619ede2d3c500
[INFO] running `Command { std: "docker" "start" "-a" "b0121eafdf8eb1e401c25970e51aa984e267e3307dc08a8ca4a619ede2d3c500", kill_on_drop: false }`
[INFO] [stderr]    Compiling unborrow v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "b0121eafdf8eb1e401c25970e51aa984e267e3307dc08a8ca4a619ede2d3c500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0121eafdf8eb1e401c25970e51aa984e267e3307dc08a8ca4a619ede2d3c500", kill_on_drop: false }`
[INFO] [stdout] b0121eafdf8eb1e401c25970e51aa984e267e3307dc08a8ca4a619ede2d3c500
[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] 047d2b2d17f6f42293cee2a0bf0bb8150831bd8704c5bb5ea522b6f88e2eeddf
[INFO] running `Command { std: "docker" "start" "-a" "047d2b2d17f6f42293cee2a0bf0bb8150831bd8704c5bb5ea522b6f88e2eeddf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unborrow-d389667a19de790e)
[INFO] [stderr]    Doc-tests unborrow
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - unborrow (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "047d2b2d17f6f42293cee2a0bf0bb8150831bd8704c5bb5ea522b6f88e2eeddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047d2b2d17f6f42293cee2a0bf0bb8150831bd8704c5bb5ea522b6f88e2eeddf", kill_on_drop: false }`
[INFO] [stdout] 047d2b2d17f6f42293cee2a0bf0bb8150831bd8704c5bb5ea522b6f88e2eeddf