[INFO] fetching crate tumbler 0.1.0...
[INFO] building tumbler-0.1.0 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate tumbler 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate tumbler 0.1.0 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 tumbler 0.1.0
[INFO] finished tweaking crates.io crate tumbler 0.1.0
[INFO] tweaked toml for crates.io crate tumbler 0.1.0 written to /workspace/builds/worker-29/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 083c11d3409d8d179041d8c618ec6b108a747550b53852290e837c26041a3305
[INFO] running `Command { std: "docker" "start" "-a" "083c11d3409d8d179041d8c618ec6b108a747550b53852290e837c26041a3305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083c11d3409d8d179041d8c618ec6b108a747550b53852290e837c26041a3305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083c11d3409d8d179041d8c618ec6b108a747550b53852290e837c26041a3305", kill_on_drop: false }`
[INFO] [stdout] 083c11d3409d8d179041d8c618ec6b108a747550b53852290e837c26041a3305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] fd2499e85a55328b1a5adc870bd1730de38ccf1a7912f350d2d859dc3ce8ec4f
[INFO] running `Command { std: "docker" "start" "-a" "fd2499e85a55328b1a5adc870bd1730de38ccf1a7912f350d2d859dc3ce8ec4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tumbler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "fd2499e85a55328b1a5adc870bd1730de38ccf1a7912f350d2d859dc3ce8ec4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2499e85a55328b1a5adc870bd1730de38ccf1a7912f350d2d859dc3ce8ec4f", kill_on_drop: false }`
[INFO] [stdout] fd2499e85a55328b1a5adc870bd1730de38ccf1a7912f350d2d859dc3ce8ec4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] c21cc49e551f454ee2698878fa1ef1863e5feab8311c8276418341e4b65172e2
[INFO] running `Command { std: "docker" "start" "-a" "c21cc49e551f454ee2698878fa1ef1863e5feab8311c8276418341e4b65172e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tumbler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/tumbler-04301ecf461f0965)
[INFO] running `Command { std: "docker" "inspect" "c21cc49e551f454ee2698878fa1ef1863e5feab8311c8276418341e4b65172e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21cc49e551f454ee2698878fa1ef1863e5feab8311c8276418341e4b65172e2", kill_on_drop: false }`
[INFO] [stdout] c21cc49e551f454ee2698878fa1ef1863e5feab8311c8276418341e4b65172e2