[INFO] fetching crate cover 0.1.0...
[INFO] testing cover-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cover 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate cover 0.1.0 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 cover 0.1.0
[INFO] finished tweaking crates.io crate cover 0.1.0
[INFO] tweaked toml for crates.io crate cover 0.1.0 written to /workspace/builds/worker-17/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 04e42a07e928a0e18f333d17dfae88976de301bf55b0a25bb664a7ce73d77c4a
[INFO] running `Command { std: "docker" "start" "-a" "04e42a07e928a0e18f333d17dfae88976de301bf55b0a25bb664a7ce73d77c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e42a07e928a0e18f333d17dfae88976de301bf55b0a25bb664a7ce73d77c4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e42a07e928a0e18f333d17dfae88976de301bf55b0a25bb664a7ce73d77c4a", kill_on_drop: false }`
[INFO] [stdout] 04e42a07e928a0e18f333d17dfae88976de301bf55b0a25bb664a7ce73d77c4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 69e9435825c94617748a2a23a07b14418e1f890c2330191ac40b9bf9109bc822
[INFO] running `Command { std: "docker" "start" "-a" "69e9435825c94617748a2a23a07b14418e1f890c2330191ac40b9bf9109bc822", kill_on_drop: false }`
[INFO] [stderr]    Compiling cover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "69e9435825c94617748a2a23a07b14418e1f890c2330191ac40b9bf9109bc822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e9435825c94617748a2a23a07b14418e1f890c2330191ac40b9bf9109bc822", kill_on_drop: false }`
[INFO] [stdout] 69e9435825c94617748a2a23a07b14418e1f890c2330191ac40b9bf9109bc822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] cfad4946a9c59808ea380d52e0250878cbb1bd403fd5ef155928daefbf49eb88
[INFO] running `Command { std: "docker" "start" "-a" "cfad4946a9c59808ea380d52e0250878cbb1bd403fd5ef155928daefbf49eb88", kill_on_drop: false }`
[INFO] [stderr]    Compiling cover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "cfad4946a9c59808ea380d52e0250878cbb1bd403fd5ef155928daefbf49eb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfad4946a9c59808ea380d52e0250878cbb1bd403fd5ef155928daefbf49eb88", kill_on_drop: false }`
[INFO] [stdout] cfad4946a9c59808ea380d52e0250878cbb1bd403fd5ef155928daefbf49eb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 2e3b92466593718581694b4c2eb41b96241d00144e99c9b02f949c71f982d8be
[INFO] running `Command { std: "docker" "start" "-a" "2e3b92466593718581694b4c2eb41b96241d00144e99c9b02f949c71f982d8be", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cover-136f9f29c4495bd5)
[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 cover
[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" "2e3b92466593718581694b4c2eb41b96241d00144e99c9b02f949c71f982d8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3b92466593718581694b4c2eb41b96241d00144e99c9b02f949c71f982d8be", kill_on_drop: false }`
[INFO] [stdout] 2e3b92466593718581694b4c2eb41b96241d00144e99c9b02f949c71f982d8be