[INFO] fetching crate twister 0.1.0...
[INFO] testing twister-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate twister 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate twister 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twister 0.1.0
[INFO] finished tweaking crates.io crate twister 0.1.0
[INFO] tweaked toml for crates.io crate twister 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate twister 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f79948aac527c9a269ac34ae1de15c8775bfd2cfecd4bb00a92e4433c25499f
[INFO] running `Command { std: "docker" "start" "-a" "4f79948aac527c9a269ac34ae1de15c8775bfd2cfecd4bb00a92e4433c25499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f79948aac527c9a269ac34ae1de15c8775bfd2cfecd4bb00a92e4433c25499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f79948aac527c9a269ac34ae1de15c8775bfd2cfecd4bb00a92e4433c25499f", kill_on_drop: false }`
[INFO] [stdout] 4f79948aac527c9a269ac34ae1de15c8775bfd2cfecd4bb00a92e4433c25499f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c64408655448d1b7619b1ca68e050a00787b10bf19b7ce4fc3410c73a2cb1001
[INFO] running `Command { std: "docker" "start" "-a" "c64408655448d1b7619b1ca68e050a00787b10bf19b7ce4fc3410c73a2cb1001", kill_on_drop: false }`
[INFO] [stderr]    Compiling twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "c64408655448d1b7619b1ca68e050a00787b10bf19b7ce4fc3410c73a2cb1001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64408655448d1b7619b1ca68e050a00787b10bf19b7ce4fc3410c73a2cb1001", kill_on_drop: false }`
[INFO] [stdout] c64408655448d1b7619b1ca68e050a00787b10bf19b7ce4fc3410c73a2cb1001
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383a167aea458333f9a23f06ac2db8d4faf6ecca6bd5aff9841e10309bb85906
[INFO] running `Command { std: "docker" "start" "-a" "383a167aea458333f9a23f06ac2db8d4faf6ecca6bd5aff9841e10309bb85906", kill_on_drop: false }`
[INFO] [stderr]    Compiling twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "383a167aea458333f9a23f06ac2db8d4faf6ecca6bd5aff9841e10309bb85906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383a167aea458333f9a23f06ac2db8d4faf6ecca6bd5aff9841e10309bb85906", kill_on_drop: false }`
[INFO] [stdout] 383a167aea458333f9a23f06ac2db8d4faf6ecca6bd5aff9841e10309bb85906
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4e030cb5e4ebb133d8801f074c3547d52f69489637715cbd7942d7e863fd197
[INFO] running `Command { std: "docker" "start" "-a" "f4e030cb5e4ebb133d8801f074c3547d52f69489637715cbd7942d7e863fd197", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twister-ea034fad9c36c2f1)
[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" "f4e030cb5e4ebb133d8801f074c3547d52f69489637715cbd7942d7e863fd197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e030cb5e4ebb133d8801f074c3547d52f69489637715cbd7942d7e863fd197", kill_on_drop: false }`
[INFO] [stdout] f4e030cb5e4ebb133d8801f074c3547d52f69489637715cbd7942d7e863fd197