[INFO] fetching crate loop-guard 1.0.0...
[INFO] testing loop-guard-1.0.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate loop-guard 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate loop-guard 1.0.0
[INFO] finished tweaking crates.io crate loop-guard 1.0.0
[INFO] tweaked toml for crates.io crate loop-guard 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate loop-guard 1.0.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate loop-guard 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9f936e77b4b561da6d84c2d5a1c754ab4edf12a5028ae771e3601617ce72c1c
[INFO] running `Command { std: "docker" "start" "-a" "c9f936e77b4b561da6d84c2d5a1c754ab4edf12a5028ae771e3601617ce72c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9f936e77b4b561da6d84c2d5a1c754ab4edf12a5028ae771e3601617ce72c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f936e77b4b561da6d84c2d5a1c754ab4edf12a5028ae771e3601617ce72c1c", kill_on_drop: false }`
[INFO] [stdout] c9f936e77b4b561da6d84c2d5a1c754ab4edf12a5028ae771e3601617ce72c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da523a0bfa0c49db6513d5ba71a061624caca01e5dffff33f04678ed71e0735
[INFO] running `Command { std: "docker" "start" "-a" "3da523a0bfa0c49db6513d5ba71a061624caca01e5dffff33f04678ed71e0735", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop-guard v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "3da523a0bfa0c49db6513d5ba71a061624caca01e5dffff33f04678ed71e0735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da523a0bfa0c49db6513d5ba71a061624caca01e5dffff33f04678ed71e0735", kill_on_drop: false }`
[INFO] [stdout] 3da523a0bfa0c49db6513d5ba71a061624caca01e5dffff33f04678ed71e0735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612c83a476342431d75ecf1f214e8512d44148d83da81aeeff1499b5243dc489
[INFO] running `Command { std: "docker" "start" "-a" "612c83a476342431d75ecf1f214e8512d44148d83da81aeeff1499b5243dc489", kill_on_drop: false }`
[INFO] [stderr]    Compiling loop-guard v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "612c83a476342431d75ecf1f214e8512d44148d83da81aeeff1499b5243dc489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612c83a476342431d75ecf1f214e8512d44148d83da81aeeff1499b5243dc489", kill_on_drop: false }`
[INFO] [stdout] 612c83a476342431d75ecf1f214e8512d44148d83da81aeeff1499b5243dc489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a655d630cbe1bf0478e8374e599a00333d690c28eb61223f6c543501470cece9
[INFO] running `Command { std: "docker" "start" "-a" "a655d630cbe1bf0478e8374e599a00333d690c28eb61223f6c543501470cece9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/loop_guard-7d3ea043f05d6f04)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test for_loop_does_not_surpass_max_ticks ... ok
[INFO] [stdout] test for_loop_surpasses_max_ticks - should panic ... ok
[INFO] [stderr]    Doc-tests loop_guard
[INFO] [stdout] test infinite_loop_with_guard - should panic ... ok
[INFO] [stdout] test infinite_loop_with_guard_with_custom_message - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - LoopGuard::new (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a655d630cbe1bf0478e8374e599a00333d690c28eb61223f6c543501470cece9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a655d630cbe1bf0478e8374e599a00333d690c28eb61223f6c543501470cece9", kill_on_drop: false }`
[INFO] [stdout] a655d630cbe1bf0478e8374e599a00333d690c28eb61223f6c543501470cece9