[INFO] fetching crate spork 0.0.5...
[INFO] building spork-0.0.5 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate spork 0.0.5 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate spork 0.0.5 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 spork 0.0.5
[INFO] finished tweaking crates.io crate spork 0.0.5
[INFO] tweaked toml for crates.io crate spork 0.0.5 written to /workspace/builds/worker-43/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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] fa35cf6e5ac178a56d4d8ebe1a2f9a7354778d31b38c85ddb7ee3fcf567d5b57
[INFO] running `Command { std: "docker" "start" "-a" "fa35cf6e5ac178a56d4d8ebe1a2f9a7354778d31b38c85ddb7ee3fcf567d5b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa35cf6e5ac178a56d4d8ebe1a2f9a7354778d31b38c85ddb7ee3fcf567d5b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa35cf6e5ac178a56d4d8ebe1a2f9a7354778d31b38c85ddb7ee3fcf567d5b57", kill_on_drop: false }`
[INFO] [stdout] fa35cf6e5ac178a56d4d8ebe1a2f9a7354778d31b38c85ddb7ee3fcf567d5b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 8a0b46e04755be1d011612e895f9bd9dcf9e9dcd14cde75f57c419b7cb42433e
[INFO] running `Command { std: "docker" "start" "-a" "8a0b46e04755be1d011612e895f9bd9dcf9e9dcd14cde75f57c419b7cb42433e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling spork v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "8a0b46e04755be1d011612e895f9bd9dcf9e9dcd14cde75f57c419b7cb42433e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0b46e04755be1d011612e895f9bd9dcf9e9dcd14cde75f57c419b7cb42433e", kill_on_drop: false }`
[INFO] [stdout] 8a0b46e04755be1d011612e895f9bd9dcf9e9dcd14cde75f57c419b7cb42433e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 4122c90cd01fe03e72e81c320a9dccd4cb3a08a512a025d606d1c72e3760873d
[INFO] running `Command { std: "docker" "start" "-a" "4122c90cd01fe03e72e81c320a9dccd4cb3a08a512a025d606d1c72e3760873d", kill_on_drop: false }`
[INFO] [stderr]    Compiling spork v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/spork-bbc56dab66f80d79)
[INFO] running `Command { std: "docker" "inspect" "4122c90cd01fe03e72e81c320a9dccd4cb3a08a512a025d606d1c72e3760873d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4122c90cd01fe03e72e81c320a9dccd4cb3a08a512a025d606d1c72e3760873d", kill_on_drop: false }`
[INFO] [stdout] 4122c90cd01fe03e72e81c320a9dccd4cb3a08a512a025d606d1c72e3760873d