[INFO] fetching crate rev_buf_reader 0.3.0...
[INFO] building rev_buf_reader-0.3.0 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate rev_buf_reader 0.3.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate rev_buf_reader 0.3.0 on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rev_buf_reader 0.3.0
[INFO] finished tweaking crates.io crate rev_buf_reader 0.3.0
[INFO] tweaked toml for crates.io crate rev_buf_reader 0.3.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e7b77a049a9e16d173e68188f6ae20935860df5ea746967599c6410cbb882a7
[INFO] running `Command { std: "docker" "start" "-a" "2e7b77a049a9e16d173e68188f6ae20935860df5ea746967599c6410cbb882a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e7b77a049a9e16d173e68188f6ae20935860df5ea746967599c6410cbb882a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7b77a049a9e16d173e68188f6ae20935860df5ea746967599c6410cbb882a7", kill_on_drop: false }`
[INFO] [stdout] 2e7b77a049a9e16d173e68188f6ae20935860df5ea746967599c6410cbb882a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=forbid" "-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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be074873b40f2e1d34f04664aaf5b63d4b9a6968c2e16936b346f5051b692634
[INFO] running `Command { std: "docker" "start" "-a" "be074873b40f2e1d34f04664aaf5b63d4b9a6968c2e16936b346f5051b692634", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rev_buf_reader v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "be074873b40f2e1d34f04664aaf5b63d4b9a6968c2e16936b346f5051b692634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be074873b40f2e1d34f04664aaf5b63d4b9a6968c2e16936b346f5051b692634", kill_on_drop: false }`
[INFO] [stdout] be074873b40f2e1d34f04664aaf5b63d4b9a6968c2e16936b346f5051b692634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=forbid" "-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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff821f1087799d0ffee7f30bb623e9b243fd2cb1c4bc4b2c59cee811c97e581
[INFO] running `Command { std: "docker" "start" "-a" "fff821f1087799d0ffee7f30bb623e9b243fd2cb1c4bc4b2c59cee811c97e581", kill_on_drop: false }`
[INFO] [stderr]    Compiling rev_buf_reader v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rev_buf_reader-a974aa73a069378d)
[INFO] running `Command { std: "docker" "inspect" "fff821f1087799d0ffee7f30bb623e9b243fd2cb1c4bc4b2c59cee811c97e581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff821f1087799d0ffee7f30bb623e9b243fd2cb1c4bc4b2c59cee811c97e581", kill_on_drop: false }`
[INFO] [stdout] fff821f1087799d0ffee7f30bb623e9b243fd2cb1c4bc4b2c59cee811c97e581