[INFO] fetching crate build-env 0.3.1...
[INFO] testing build-env-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate build-env 0.3.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate build-env 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 build-env 0.3.1
[INFO] finished tweaking crates.io crate build-env 0.3.1
[INFO] tweaked toml for crates.io crate build-env 0.3.1 written to /workspace/builds/worker-83/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 88ca005416605f1b96dbac16faf7976a6129c097b82e013394ecde08bb1abacc
[INFO] running `Command { std: "docker" "start" "-a" "88ca005416605f1b96dbac16faf7976a6129c097b82e013394ecde08bb1abacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ca005416605f1b96dbac16faf7976a6129c097b82e013394ecde08bb1abacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ca005416605f1b96dbac16faf7976a6129c097b82e013394ecde08bb1abacc", kill_on_drop: false }`
[INFO] [stdout] 88ca005416605f1b96dbac16faf7976a6129c097b82e013394ecde08bb1abacc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 81f3144d733522e2a20f14d15ce0450eab83eaf7df5478c3ab532486bb4ae15c
[INFO] running `Command { std: "docker" "start" "-a" "81f3144d733522e2a20f14d15ce0450eab83eaf7df5478c3ab532486bb4ae15c", kill_on_drop: false }`
[INFO] [stderr]    Compiling build-env v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "81f3144d733522e2a20f14d15ce0450eab83eaf7df5478c3ab532486bb4ae15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f3144d733522e2a20f14d15ce0450eab83eaf7df5478c3ab532486bb4ae15c", kill_on_drop: false }`
[INFO] [stdout] 81f3144d733522e2a20f14d15ce0450eab83eaf7df5478c3ab532486bb4ae15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 9956f2a8b10ee6eefa16a1f1182b073134164ef8c3365ddee9266f5dfa899630
[INFO] running `Command { std: "docker" "start" "-a" "9956f2a8b10ee6eefa16a1f1182b073134164ef8c3365ddee9266f5dfa899630", kill_on_drop: false }`
[INFO] [stderr]    Compiling build-env v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "9956f2a8b10ee6eefa16a1f1182b073134164ef8c3365ddee9266f5dfa899630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9956f2a8b10ee6eefa16a1f1182b073134164ef8c3365ddee9266f5dfa899630", kill_on_drop: false }`
[INFO] [stdout] 9956f2a8b10ee6eefa16a1f1182b073134164ef8c3365ddee9266f5dfa899630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 796eecc987d655a7a4fb908c9573c3f9396f153c305592c11dcd7d68efc52263
[INFO] running `Command { std: "docker" "start" "-a" "796eecc987d655a7a4fb908c9573c3f9396f153c305592c11dcd7d68efc52263", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/build_env-0a43efb1f5a69004)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests build-env
[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" "796eecc987d655a7a4fb908c9573c3f9396f153c305592c11dcd7d68efc52263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796eecc987d655a7a4fb908c9573c3f9396f153c305592c11dcd7d68efc52263", kill_on_drop: false }`
[INFO] [stdout] 796eecc987d655a7a4fb908c9573c3f9396f153c305592c11dcd7d68efc52263