[INFO] fetching crate kolakoski 2.0.0...
[INFO] testing kolakoski-2.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate kolakoski 2.0.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate kolakoski 2.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kolakoski 2.0.0
[INFO] finished tweaking crates.io crate kolakoski 2.0.0
[INFO] tweaked toml for crates.io crate kolakoski 2.0.0 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ad9a7475b24f0d538463ac7f3df6f1f17ab838ec57f6beb5ff1bbd797948118
[INFO] running `Command { std: "docker" "start" "-a" "7ad9a7475b24f0d538463ac7f3df6f1f17ab838ec57f6beb5ff1bbd797948118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ad9a7475b24f0d538463ac7f3df6f1f17ab838ec57f6beb5ff1bbd797948118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad9a7475b24f0d538463ac7f3df6f1f17ab838ec57f6beb5ff1bbd797948118", kill_on_drop: false }`
[INFO] [stdout] 7ad9a7475b24f0d538463ac7f3df6f1f17ab838ec57f6beb5ff1bbd797948118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd62967d94ca153ae921e836b3d2a0708a5c8540b0888896bf983f00e72c136
[INFO] running `Command { std: "docker" "start" "-a" "3fd62967d94ca153ae921e836b3d2a0708a5c8540b0888896bf983f00e72c136", kill_on_drop: false }`
[INFO] [stderr]    Compiling kolakoski v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "3fd62967d94ca153ae921e836b3d2a0708a5c8540b0888896bf983f00e72c136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd62967d94ca153ae921e836b3d2a0708a5c8540b0888896bf983f00e72c136", kill_on_drop: false }`
[INFO] [stdout] 3fd62967d94ca153ae921e836b3d2a0708a5c8540b0888896bf983f00e72c136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d772b2804076cb57c89c4eb24d1b76d0d0c7d1ba1f30e853a512deabae2c183
[INFO] running `Command { std: "docker" "start" "-a" "9d772b2804076cb57c89c4eb24d1b76d0d0c7d1ba1f30e853a512deabae2c183", kill_on_drop: false }`
[INFO] [stderr]    Compiling kolakoski v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "9d772b2804076cb57c89c4eb24d1b76d0d0c7d1ba1f30e853a512deabae2c183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d772b2804076cb57c89c4eb24d1b76d0d0c7d1ba1f30e853a512deabae2c183", kill_on_drop: false }`
[INFO] [stdout] 9d772b2804076cb57c89c4eb24d1b76d0d0c7d1ba1f30e853a512deabae2c183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 179b033c538a47a73e0a5109299ee06d4f7b06eebb7aa84cdc051623ac1b028a
[INFO] running `Command { std: "docker" "start" "-a" "179b033c538a47a73e0a5109299ee06d4f7b06eebb7aa84cdc051623ac1b028a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kolakoski-d9a0c3e9619d53e1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::sequence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kolakoski
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "179b033c538a47a73e0a5109299ee06d4f7b06eebb7aa84cdc051623ac1b028a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179b033c538a47a73e0a5109299ee06d4f7b06eebb7aa84cdc051623ac1b028a", kill_on_drop: false }`
[INFO] [stdout] 179b033c538a47a73e0a5109299ee06d4f7b06eebb7aa84cdc051623ac1b028a