[INFO] fetching crate unnest 0.3.1...
[INFO] testing unnest-0.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate unnest 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate unnest 0.3.1
[INFO] finished tweaking crates.io crate unnest 0.3.1
[INFO] tweaked toml for crates.io crate unnest 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unnest 0.3.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] acb806167b8365f54ab433db8e71b5d6e15e5a5a174590e4c137b24698bf9a2f
[INFO] running `Command { std: "docker" "start" "-a" "acb806167b8365f54ab433db8e71b5d6e15e5a5a174590e4c137b24698bf9a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acb806167b8365f54ab433db8e71b5d6e15e5a5a174590e4c137b24698bf9a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb806167b8365f54ab433db8e71b5d6e15e5a5a174590e4c137b24698bf9a2f", kill_on_drop: false }`
[INFO] [stdout] acb806167b8365f54ab433db8e71b5d6e15e5a5a174590e4c137b24698bf9a2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 213af4c207b98dd29fc6571bdbd64a338bfe94563303113383343a2fcdd0aaea
[INFO] running `Command { std: "docker" "start" "-a" "213af4c207b98dd29fc6571bdbd64a338bfe94563303113383343a2fcdd0aaea", kill_on_drop: false }`
[INFO] [stderr]    Compiling unnest v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "213af4c207b98dd29fc6571bdbd64a338bfe94563303113383343a2fcdd0aaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213af4c207b98dd29fc6571bdbd64a338bfe94563303113383343a2fcdd0aaea", kill_on_drop: false }`
[INFO] [stdout] 213af4c207b98dd29fc6571bdbd64a338bfe94563303113383343a2fcdd0aaea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f8a9f2bc6b236199b9259e37a593eeab596917aefbe3d0e5bab482edd6ac45f8
[INFO] running `Command { std: "docker" "start" "-a" "f8a9f2bc6b236199b9259e37a593eeab596917aefbe3d0e5bab482edd6ac45f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unnest v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "f8a9f2bc6b236199b9259e37a593eeab596917aefbe3d0e5bab482edd6ac45f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a9f2bc6b236199b9259e37a593eeab596917aefbe3d0e5bab482edd6ac45f8", kill_on_drop: false }`
[INFO] [stdout] f8a9f2bc6b236199b9259e37a593eeab596917aefbe3d0e5bab482edd6ac45f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8ca4ce0682b2212d713f5bec89325e76dce6f1cc70dc32e61173869f734966f1
[INFO] running `Command { std: "docker" "start" "-a" "8ca4ce0682b2212d713f5bec89325e76dce6f1cc70dc32e61173869f734966f1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unnest-390b31ee07312e10)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::ok_or_break ... ok
[INFO] [stdout] test tests::ok_or_continue ... ok
[INFO] [stdout] test tests::some_or_break ... ok
[INFO] [stdout] test tests::some_or_continue ... ok
[INFO] [stdout] test tests::ok_or_return_with ... ok
[INFO] [stdout] test tests::some_or_return_with ... ok
[INFO] [stdout] test tests::some_or_return ... ok
[INFO] [stdout] test tests::ok_or_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unnest
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - docs (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ca4ce0682b2212d713f5bec89325e76dce6f1cc70dc32e61173869f734966f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca4ce0682b2212d713f5bec89325e76dce6f1cc70dc32e61173869f734966f1", kill_on_drop: false }`
[INFO] [stdout] 8ca4ce0682b2212d713f5bec89325e76dce6f1cc70dc32e61173869f734966f1