[INFO] cloning repository https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FImplementing_Large_Constraint_Matrices_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FImplementing_Large_Constraint_Matrices_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35600d4391535c622225ba48c15f77b8dc1cadaa
[INFO] checking cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypriansakwa%2FImplementing_Large_Constraint_Matrices_in_Rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust
[INFO] finished tweaking git repo https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust
[INFO] tweaked toml for git repo https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_Rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cypriansakwa/Implementing_Large_Constraint_Matrices_in_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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77a3f6b78b64dd13db588324f48836326432d4746a29c3929259907784553f0c
[INFO] running `Command { std: "docker" "start" "-a" "77a3f6b78b64dd13db588324f48836326432d4746a29c3929259907784553f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a3f6b78b64dd13db588324f48836326432d4746a29c3929259907784553f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a3f6b78b64dd13db588324f48836326432d4746a29c3929259907784553f0c", kill_on_drop: false }`
[INFO] [stdout] 77a3f6b78b64dd13db588324f48836326432d4746a29c3929259907784553f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d964bb77ed95eb5b65b3e2a76a5622cb9de2a0bacd2f0ac5853b328b8a78d66
[INFO] running `Command { std: "docker" "start" "-a" "0d964bb77ed95eb5b65b3e2a76a5622cb9de2a0bacd2f0ac5853b328b8a78d66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking Implementing_Large_Constraint_Matrices_in_Rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "0d964bb77ed95eb5b65b3e2a76a5622cb9de2a0bacd2f0ac5853b328b8a78d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d964bb77ed95eb5b65b3e2a76a5622cb9de2a0bacd2f0ac5853b328b8a78d66", kill_on_drop: false }`
[INFO] [stdout] 0d964bb77ed95eb5b65b3e2a76a5622cb9de2a0bacd2f0ac5853b328b8a78d66