[INFO] fetching crate regex_mutator 0.1.0...
[INFO] testing regex_mutator-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate regex_mutator 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate regex_mutator 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex_mutator 0.1.0
[INFO] finished tweaking crates.io crate regex_mutator 0.1.0
[INFO] tweaked toml for crates.io crate regex_mutator 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 674ae2bb54ef5a5f2da9acd641513b69dd3bd73a25d578ca99eda22a37d43ed0
[INFO] running `Command { std: "docker" "start" "-a" "674ae2bb54ef5a5f2da9acd641513b69dd3bd73a25d578ca99eda22a37d43ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674ae2bb54ef5a5f2da9acd641513b69dd3bd73a25d578ca99eda22a37d43ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674ae2bb54ef5a5f2da9acd641513b69dd3bd73a25d578ca99eda22a37d43ed0", kill_on_drop: false }`
[INFO] [stdout] 674ae2bb54ef5a5f2da9acd641513b69dd3bd73a25d578ca99eda22a37d43ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c85ec57979bc116debf0ad5c3dbf937567ba51a5c5578b58dce13e7689add9
[INFO] running `Command { std: "docker" "start" "-a" "14c85ec57979bc116debf0ad5c3dbf937567ba51a5c5578b58dce13e7689add9", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex_mutator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "14c85ec57979bc116debf0ad5c3dbf937567ba51a5c5578b58dce13e7689add9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c85ec57979bc116debf0ad5c3dbf937567ba51a5c5578b58dce13e7689add9", kill_on_drop: false }`
[INFO] [stdout] 14c85ec57979bc116debf0ad5c3dbf937567ba51a5c5578b58dce13e7689add9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 979277b3041fe43c53153189099fad3a2e779168cf83a70d5cdd477e9ef58217
[INFO] running `Command { std: "docker" "start" "-a" "979277b3041fe43c53153189099fad3a2e779168cf83a70d5cdd477e9ef58217", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regex_mutator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "979277b3041fe43c53153189099fad3a2e779168cf83a70d5cdd477e9ef58217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979277b3041fe43c53153189099fad3a2e779168cf83a70d5cdd477e9ef58217", kill_on_drop: false }`
[INFO] [stdout] 979277b3041fe43c53153189099fad3a2e779168cf83a70d5cdd477e9ef58217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf405c9a9d5bc21aec011ee630cad9a7c27a3ddfa8789b756b13b630c6ca0d2a
[INFO] running `Command { std: "docker" "start" "-a" "bf405c9a9d5bc21aec011ee630cad9a7c27a3ddfa8789b756b13b630c6ca0d2a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/regex_mutator-e54afaf6e1b7a91d)
[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] [stderr]    Doc-tests regex_mutator
[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" "bf405c9a9d5bc21aec011ee630cad9a7c27a3ddfa8789b756b13b630c6ca0d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf405c9a9d5bc21aec011ee630cad9a7c27a3ddfa8789b756b13b630c6ca0d2a", kill_on_drop: false }`
[INFO] [stdout] bf405c9a9d5bc21aec011ee630cad9a7c27a3ddfa8789b756b13b630c6ca0d2a