[INFO] fetching crate unfold 0.2.0...
[INFO] testing unfold-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate unfold 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate unfold 0.2.0
[INFO] finished tweaking crates.io crate unfold 0.2.0
[INFO] tweaked toml for crates.io crate unfold 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unfold 0.2.0 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] 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-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] 226632283efabd0a3cae2114e57ed1be4e2cdef579c09ffb19bc92a910f287cf
[INFO] running `Command { std: "docker" "start" "-a" "226632283efabd0a3cae2114e57ed1be4e2cdef579c09ffb19bc92a910f287cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "226632283efabd0a3cae2114e57ed1be4e2cdef579c09ffb19bc92a910f287cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226632283efabd0a3cae2114e57ed1be4e2cdef579c09ffb19bc92a910f287cf", kill_on_drop: false }`
[INFO] [stdout] 226632283efabd0a3cae2114e57ed1be4e2cdef579c09ffb19bc92a910f287cf
[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] ca51899cdeb335a6cb83c3c0654eed1bca9532faf454711aff27734115150599
[INFO] running `Command { std: "docker" "start" "-a" "ca51899cdeb335a6cb83c3c0654eed1bca9532faf454711aff27734115150599", kill_on_drop: false }`
[INFO] [stderr]    Compiling unfold v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ca51899cdeb335a6cb83c3c0654eed1bca9532faf454711aff27734115150599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca51899cdeb335a6cb83c3c0654eed1bca9532faf454711aff27734115150599", kill_on_drop: false }`
[INFO] [stdout] ca51899cdeb335a6cb83c3c0654eed1bca9532faf454711aff27734115150599
[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] 470233cbbfc12e5538456a30fec470334f60a06e680bbc6c32ccc6fc17ac569b
[INFO] running `Command { std: "docker" "start" "-a" "470233cbbfc12e5538456a30fec470334f60a06e680bbc6c32ccc6fc17ac569b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unfold v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "470233cbbfc12e5538456a30fec470334f60a06e680bbc6c32ccc6fc17ac569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470233cbbfc12e5538456a30fec470334f60a06e680bbc6c32ccc6fc17ac569b", kill_on_drop: false }`
[INFO] [stdout] 470233cbbfc12e5538456a30fec470334f60a06e680bbc6c32ccc6fc17ac569b
[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] a3fe856810a45a5791ee271fce6cfe64cd04081f82ea270b237e5aaaaefefad5
[INFO] running `Command { std: "docker" "start" "-a" "a3fe856810a45a5791ee271fce6cfe64cd04081f82ea270b237e5aaaaefefad5", 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/unfold-ba636740bdb12d9d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_fibonacci ... ok
[INFO] [stdout] test tests::test_unfold_nth ... ok
[INFO] [stdout] test tests::test_unfold_vector ... ok
[INFO] [stdout] test tests::test_unfold_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unfold
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - unfold_nth (line 71) ... ok
[INFO] [stdout] test src/lib.rs - Unfold<T,F>::new (line 125) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - unfold_count (line 90) ... ok
[INFO] [stdout] test src/lib.rs - unfold_vector (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3fe856810a45a5791ee271fce6cfe64cd04081f82ea270b237e5aaaaefefad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3fe856810a45a5791ee271fce6cfe64cd04081f82ea270b237e5aaaaefefad5", kill_on_drop: false }`
[INFO] [stdout] a3fe856810a45a5791ee271fce6cfe64cd04081f82ea270b237e5aaaaefefad5