[INFO] fetching crate loop-guard 1.0.0...
[INFO] testing loop-guard-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate loop-guard 1.0.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate loop-guard 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2da84b35dfd58b28371330d41b3c1f8413e694ffc4da8b07ec4409eb437c97d
[INFO] running `Command { std: "docker" "start" "-a" "f2da84b35dfd58b28371330d41b3c1f8413e694ffc4da8b07ec4409eb437c97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2da84b35dfd58b28371330d41b3c1f8413e694ffc4da8b07ec4409eb437c97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2da84b35dfd58b28371330d41b3c1f8413e694ffc4da8b07ec4409eb437c97d", kill_on_drop: false }`
[INFO] [stdout] f2da84b35dfd58b28371330d41b3c1f8413e694ffc4da8b07ec4409eb437c97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a33fce97d3904ea6f94b60d92e73f54b5eed61d7ee847c160db72fb22c830e9
[INFO] running `Command { std: "docker" "start" "-a" "1a33fce97d3904ea6f94b60d92e73f54b5eed61d7ee847c160db72fb22c830e9", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "1a33fce97d3904ea6f94b60d92e73f54b5eed61d7ee847c160db72fb22c830e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a33fce97d3904ea6f94b60d92e73f54b5eed61d7ee847c160db72fb22c830e9", kill_on_drop: false }`
[INFO] [stdout] 1a33fce97d3904ea6f94b60d92e73f54b5eed61d7ee847c160db72fb22c830e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 596b3a8ba63cf21a2328d7c0dca00a02ee280407ebac934f902ffdde3dfc8419
[INFO] running `Command { std: "docker" "start" "-a" "596b3a8ba63cf21a2328d7c0dca00a02ee280407ebac934f902ffdde3dfc8419", 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 0.33s
[INFO] running `Command { std: "docker" "inspect" "596b3a8ba63cf21a2328d7c0dca00a02ee280407ebac934f902ffdde3dfc8419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596b3a8ba63cf21a2328d7c0dca00a02ee280407ebac934f902ffdde3dfc8419", kill_on_drop: false }`
[INFO] [stdout] 596b3a8ba63cf21a2328d7c0dca00a02ee280407ebac934f902ffdde3dfc8419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac0e7a17a908bbc1ebafdd5598f103ecb5ef7d2a1ed6e302096825bb03a68dcc
[INFO] running `Command { std: "docker" "start" "-a" "ac0e7a17a908bbc1ebafdd5598f103ecb5ef7d2a1ed6e302096825bb03a68dcc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/loop_guard-b2360bb99e73de6e)
[INFO] [stdout] 
[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] [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 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loop_guard
[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 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac0e7a17a908bbc1ebafdd5598f103ecb5ef7d2a1ed6e302096825bb03a68dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0e7a17a908bbc1ebafdd5598f103ecb5ef7d2a1ed6e302096825bb03a68dcc", kill_on_drop: false }`
[INFO] [stdout] ac0e7a17a908bbc1ebafdd5598f103ecb5ef7d2a1ed6e302096825bb03a68dcc