[INFO] fetching crate ab 0.0.0...
[INFO] testing ab-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ab 0.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate ab 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ab 0.0.0
[INFO] finished tweaking crates.io crate ab 0.0.0
[INFO] tweaked toml for crates.io crate ab 0.0.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03dafc53cec5abe5c8736df314d0fda768b9fcb03f4c78ef68f72bfe704d9424
[INFO] running `Command { std: "docker" "start" "-a" "03dafc53cec5abe5c8736df314d0fda768b9fcb03f4c78ef68f72bfe704d9424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03dafc53cec5abe5c8736df314d0fda768b9fcb03f4c78ef68f72bfe704d9424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03dafc53cec5abe5c8736df314d0fda768b9fcb03f4c78ef68f72bfe704d9424", kill_on_drop: false }`
[INFO] [stdout] 03dafc53cec5abe5c8736df314d0fda768b9fcb03f4c78ef68f72bfe704d9424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba85d9975f9e0f382865bd85b7641292da517e7c3fe2e3ea67522077f093d770
[INFO] running `Command { std: "docker" "start" "-a" "ba85d9975f9e0f382865bd85b7641292da517e7c3fe2e3ea67522077f093d770", kill_on_drop: false }`
[INFO] [stderr]    Compiling ab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "ba85d9975f9e0f382865bd85b7641292da517e7c3fe2e3ea67522077f093d770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba85d9975f9e0f382865bd85b7641292da517e7c3fe2e3ea67522077f093d770", kill_on_drop: false }`
[INFO] [stdout] ba85d9975f9e0f382865bd85b7641292da517e7c3fe2e3ea67522077f093d770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9f264a6a42e4760efebf65d79dc96a8b5d61a93d1190b547e28e05a34a73bc
[INFO] running `Command { std: "docker" "start" "-a" "cb9f264a6a42e4760efebf65d79dc96a8b5d61a93d1190b547e28e05a34a73bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "cb9f264a6a42e4760efebf65d79dc96a8b5d61a93d1190b547e28e05a34a73bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9f264a6a42e4760efebf65d79dc96a8b5d61a93d1190b547e28e05a34a73bc", kill_on_drop: false }`
[INFO] [stdout] cb9f264a6a42e4760efebf65d79dc96a8b5d61a93d1190b547e28e05a34a73bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48b83517859cee1273fdc14b1ea24e33f1f57e5330c6b25186972575b2f89e32
[INFO] running `Command { std: "docker" "start" "-a" "48b83517859cee1273fdc14b1ea24e33f1f57e5330c6b25186972575b2f89e32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ab-fb37c03fea88dfde)
[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 ab
[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" "48b83517859cee1273fdc14b1ea24e33f1f57e5330c6b25186972575b2f89e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b83517859cee1273fdc14b1ea24e33f1f57e5330c6b25186972575b2f89e32", kill_on_drop: false }`
[INFO] [stdout] 48b83517859cee1273fdc14b1ea24e33f1f57e5330c6b25186972575b2f89e32