[INFO] fetching crate qchess 0.0.1...
[INFO] building qchess-0.0.1 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate qchess 0.0.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate qchess 0.0.1 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qchess 0.0.1
[INFO] finished tweaking crates.io crate qchess 0.0.1
[INFO] tweaked toml for crates.io crate qchess 0.0.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75f7dc7ceb66f77c4114f0a9b9cbfa566ac1f61070e873524df1dd169c2bcdb9
[INFO] running `Command { std: "docker" "start" "-a" "75f7dc7ceb66f77c4114f0a9b9cbfa566ac1f61070e873524df1dd169c2bcdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75f7dc7ceb66f77c4114f0a9b9cbfa566ac1f61070e873524df1dd169c2bcdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f7dc7ceb66f77c4114f0a9b9cbfa566ac1f61070e873524df1dd169c2bcdb9", kill_on_drop: false }`
[INFO] [stdout] 75f7dc7ceb66f77c4114f0a9b9cbfa566ac1f61070e873524df1dd169c2bcdb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 196951f25335126ece0b7a71c9e8962bdf90e1d68624fe2305cac343c8b8dd04
[INFO] running `Command { std: "docker" "start" "-a" "196951f25335126ece0b7a71c9e8962bdf90e1d68624fe2305cac343c8b8dd04", kill_on_drop: false }`
[INFO] [stderr]    Compiling qchess v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "196951f25335126ece0b7a71c9e8962bdf90e1d68624fe2305cac343c8b8dd04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196951f25335126ece0b7a71c9e8962bdf90e1d68624fe2305cac343c8b8dd04", kill_on_drop: false }`
[INFO] [stdout] 196951f25335126ece0b7a71c9e8962bdf90e1d68624fe2305cac343c8b8dd04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb67f7583007561e0e7b6a02c33a3b12f57da1dcc089a58c771d6288e04aa662
[INFO] running `Command { std: "docker" "start" "-a" "eb67f7583007561e0e7b6a02c33a3b12f57da1dcc089a58c771d6288e04aa662", kill_on_drop: false }`
[INFO] [stderr]    Compiling qchess v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.82s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/qchess-2c49a21154ac9222)
[INFO] running `Command { std: "docker" "inspect" "eb67f7583007561e0e7b6a02c33a3b12f57da1dcc089a58c771d6288e04aa662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb67f7583007561e0e7b6a02c33a3b12f57da1dcc089a58c771d6288e04aa662", kill_on_drop: false }`
[INFO] [stdout] eb67f7583007561e0e7b6a02c33a3b12f57da1dcc089a58c771d6288e04aa662