[INFO] fetching crate sudoku-solver 0.3.0...
[INFO] checking sudoku-solver-0.3.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate sudoku-solver 0.3.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate sudoku-solver 0.3.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sudoku-solver 0.3.0
[INFO] finished tweaking crates.io crate sudoku-solver 0.3.0
[INFO] tweaked toml for crates.io crate sudoku-solver 0.3.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-iter v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4dc0908eb471f50e9194ea9e2b3e6ec728c590f0408ea2f3d441a17a7abd469
[INFO] running `Command { std: "docker" "start" "-a" "c4dc0908eb471f50e9194ea9e2b3e6ec728c590f0408ea2f3d441a17a7abd469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4dc0908eb471f50e9194ea9e2b3e6ec728c590f0408ea2f3d441a17a7abd469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4dc0908eb471f50e9194ea9e2b3e6ec728c590f0408ea2f3d441a17a7abd469", kill_on_drop: false }`
[INFO] [stdout] c4dc0908eb471f50e9194ea9e2b3e6ec728c590f0408ea2f3d441a17a7abd469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f344df9e9e4063754586839cdcdfff7a55e41844e9fd0c664ae742e9e49d7ca
[INFO] running `Command { std: "docker" "start" "-a" "2f344df9e9e4063754586839cdcdfff7a55e41844e9fd0c664ae742e9e49d7ca", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking bit-iter v0.1.5
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking sudoku-solver v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.39s
[INFO] running `Command { std: "docker" "inspect" "2f344df9e9e4063754586839cdcdfff7a55e41844e9fd0c664ae742e9e49d7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f344df9e9e4063754586839cdcdfff7a55e41844e9fd0c664ae742e9e49d7ca", kill_on_drop: false }`
[INFO] [stdout] 2f344df9e9e4063754586839cdcdfff7a55e41844e9fd0c664ae742e9e49d7ca