[INFO] cloning repository https://github.com/Bronzdragon/perceptron-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bronzdragon/perceptron-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBronzdragon%2Fperceptron-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBronzdragon%2Fperceptron-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d21af4c354c8ff56ff96fc92efe0dc49a315382
[INFO] checking Bronzdragon/perceptron-rust against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBronzdragon%2Fperceptron-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bronzdragon/perceptron-rust
[INFO] finished tweaking git repo https://github.com/Bronzdragon/perceptron-rust
[INFO] tweaked toml for git repo https://github.com/Bronzdragon/perceptron-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bronzdragon/perceptron-rust on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bronzdragon/perceptron-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.22.2
[INFO] [stderr]   Downloaded target-lexicon v0.12.15
[INFO] [stderr]   Downloaded unindent v0.2.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.22.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.22.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.22.2
[INFO] [stderr]   Downloaded pyo3 v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 294b862faea6d8c2233116f21ad3669d57c2fc12ddb53040a38f7e48d6b71838
[INFO] running `Command { std: "docker" "start" "-a" "294b862faea6d8c2233116f21ad3669d57c2fc12ddb53040a38f7e48d6b71838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294b862faea6d8c2233116f21ad3669d57c2fc12ddb53040a38f7e48d6b71838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294b862faea6d8c2233116f21ad3669d57c2fc12ddb53040a38f7e48d6b71838", kill_on_drop: false }`
[INFO] [stdout] 294b862faea6d8c2233116f21ad3669d57c2fc12ddb53040a38f7e48d6b71838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f6f5552a7aa923ba8dba6c22d7325c2795c51f3cbcc256572c3d32c9c3edb9
[INFO] running `Command { std: "docker" "start" "-a" "d2f6f5552a7aa923ba8dba6c22d7325c2795c51f3cbcc256572c3d32c9c3edb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling pyo3-build-config v0.22.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling pyo3-ffi v0.22.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.2
[INFO] [stderr]    Compiling pyo3 v0.22.2
[INFO] [stderr]    Compiling pyo3-macros v0.22.2
[INFO] [stderr]     Checking perceptron-rust v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.64s
[INFO] running `Command { std: "docker" "inspect" "d2f6f5552a7aa923ba8dba6c22d7325c2795c51f3cbcc256572c3d32c9c3edb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f6f5552a7aa923ba8dba6c22d7325c2795c51f3cbcc256572c3d32c9c3edb9", kill_on_drop: false }`
[INFO] [stdout] d2f6f5552a7aa923ba8dba6c22d7325c2795c51f3cbcc256572c3d32c9c3edb9