[INFO] fetching crate env-next-door 0.8.1...
[INFO] testing env-next-door-0.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate env-next-door 0.8.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate env-next-door 0.8.1 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 env-next-door 0.8.1
[INFO] finished tweaking crates.io crate env-next-door 0.8.1
[INFO] tweaked toml for crates.io crate env-next-door 0.8.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate env-next-door 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] dfd5dd22999dc3b4c8e3e3cc925e9b41c4dc0602513eca9a28e14e0a2dd61573
[INFO] running `Command { std: "docker" "start" "-a" "dfd5dd22999dc3b4c8e3e3cc925e9b41c4dc0602513eca9a28e14e0a2dd61573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd5dd22999dc3b4c8e3e3cc925e9b41c4dc0602513eca9a28e14e0a2dd61573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd5dd22999dc3b4c8e3e3cc925e9b41c4dc0602513eca9a28e14e0a2dd61573", kill_on_drop: false }`
[INFO] [stdout] dfd5dd22999dc3b4c8e3e3cc925e9b41c4dc0602513eca9a28e14e0a2dd61573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ca6cbd88c0926888db4e06d17888ab63541d03ecd62a7ebce6614e84696446c4
[INFO] running `Command { std: "docker" "start" "-a" "ca6cbd88c0926888db4e06d17888ab63541d03ecd62a7ebce6614e84696446c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-next-door v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ca6cbd88c0926888db4e06d17888ab63541d03ecd62a7ebce6614e84696446c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6cbd88c0926888db4e06d17888ab63541d03ecd62a7ebce6614e84696446c4", kill_on_drop: false }`
[INFO] [stdout] ca6cbd88c0926888db4e06d17888ab63541d03ecd62a7ebce6614e84696446c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fb94a44e9b2c3cae3f666e9a38e41349834ae08b9a138e4ad6f079c85ee46026
[INFO] running `Command { std: "docker" "start" "-a" "fb94a44e9b2c3cae3f666e9a38e41349834ae08b9a138e4ad6f079c85ee46026", kill_on_drop: false }`
[INFO] [stderr]    Compiling env-next-door v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "fb94a44e9b2c3cae3f666e9a38e41349834ae08b9a138e4ad6f079c85ee46026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb94a44e9b2c3cae3f666e9a38e41349834ae08b9a138e4ad6f079c85ee46026", kill_on_drop: false }`
[INFO] [stdout] fb94a44e9b2c3cae3f666e9a38e41349834ae08b9a138e4ad6f079c85ee46026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 981c5deb716d2f38f898efbee9572db810213338ae046b6b8999e22fc0ea9fe1
[INFO] running `Command { std: "docker" "start" "-a" "981c5deb716d2f38f898efbee9572db810213338ae046b6b8999e22fc0ea9fe1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/env_next_door-daf14878c67ac8cc)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests env-next-door
[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" "981c5deb716d2f38f898efbee9572db810213338ae046b6b8999e22fc0ea9fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981c5deb716d2f38f898efbee9572db810213338ae046b6b8999e22fc0ea9fe1", kill_on_drop: false }`
[INFO] [stdout] 981c5deb716d2f38f898efbee9572db810213338ae046b6b8999e22fc0ea9fe1