[INFO] fetching crate chessboard 0.0.1...
[INFO] testing chessboard-0.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate chessboard 0.0.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate chessboard 0.0.1 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 chessboard 0.0.1
[INFO] finished tweaking crates.io crate chessboard 0.0.1
[INFO] tweaked toml for crates.io crate chessboard 0.0.1 written to /workspace/builds/worker-56/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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 1c2262e8238d0a047838dd761dc8ee68c71368194322dd3f8a75cbd058f52350
[INFO] running `Command { std: "docker" "start" "-a" "1c2262e8238d0a047838dd761dc8ee68c71368194322dd3f8a75cbd058f52350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2262e8238d0a047838dd761dc8ee68c71368194322dd3f8a75cbd058f52350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2262e8238d0a047838dd761dc8ee68c71368194322dd3f8a75cbd058f52350", kill_on_drop: false }`
[INFO] [stdout] 1c2262e8238d0a047838dd761dc8ee68c71368194322dd3f8a75cbd058f52350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 6ae6f56ed8be58b43a6d80d8bbaf72870d6aa296c2c4a94abee0429c8142738a
[INFO] running `Command { std: "docker" "start" "-a" "6ae6f56ed8be58b43a6d80d8bbaf72870d6aa296c2c4a94abee0429c8142738a", kill_on_drop: false }`
[INFO] [stderr]    Compiling chessboard v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "6ae6f56ed8be58b43a6d80d8bbaf72870d6aa296c2c4a94abee0429c8142738a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae6f56ed8be58b43a6d80d8bbaf72870d6aa296c2c4a94abee0429c8142738a", kill_on_drop: false }`
[INFO] [stdout] 6ae6f56ed8be58b43a6d80d8bbaf72870d6aa296c2c4a94abee0429c8142738a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] c088b9f994d79ddae77b663de10b3f55b950fec9273afdbe3a95623e87e43994
[INFO] running `Command { std: "docker" "start" "-a" "c088b9f994d79ddae77b663de10b3f55b950fec9273afdbe3a95623e87e43994", kill_on_drop: false }`
[INFO] [stderr]    Compiling chessboard v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "c088b9f994d79ddae77b663de10b3f55b950fec9273afdbe3a95623e87e43994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c088b9f994d79ddae77b663de10b3f55b950fec9273afdbe3a95623e87e43994", kill_on_drop: false }`
[INFO] [stdout] c088b9f994d79ddae77b663de10b3f55b950fec9273afdbe3a95623e87e43994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 73f94d0311edb621d2cd3c456ea2eb1a34adcc2c41a75e26fb854e1a7307e249
[INFO] running `Command { std: "docker" "start" "-a" "73f94d0311edb621d2cd3c456ea2eb1a34adcc2c41a75e26fb854e1a7307e249", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chessboard-7025d0391291473a)
[INFO] [stderr]    Doc-tests chessboard
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "73f94d0311edb621d2cd3c456ea2eb1a34adcc2c41a75e26fb854e1a7307e249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f94d0311edb621d2cd3c456ea2eb1a34adcc2c41a75e26fb854e1a7307e249", kill_on_drop: false }`
[INFO] [stdout] 73f94d0311edb621d2cd3c456ea2eb1a34adcc2c41a75e26fb854e1a7307e249