[INFO] cloning repository https://github.com/rain-king/simplex_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rain-king/simplex_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frain-king%2Fsimplex_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frain-king%2Fsimplex_rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frain-king%2Fsimplex_rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/rain-king/simplex_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rain-king/simplex_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frain-king%2Fsimplex_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frain-king%2Fsimplex_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3608e9832c28958ff9ca5f6dea006eb7f8503db6
[INFO] building rain-king/simplex_rs against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frain-king%2Fsimplex_rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rain-king/simplex_rs on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rain-king/simplex_rs
[INFO] finished tweaking git repo https://github.com/rain-king/simplex_rs
[INFO] tweaked toml for git repo https://github.com/rain-king/simplex_rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rain-king/simplex_rs 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12dc599b56ad9796acc4d88b83bc0bbe0a9b44d4976c1daf97653a7f67e6b0f1
[INFO] running `Command { std: "docker" "start" "-a" "12dc599b56ad9796acc4d88b83bc0bbe0a9b44d4976c1daf97653a7f67e6b0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12dc599b56ad9796acc4d88b83bc0bbe0a9b44d4976c1daf97653a7f67e6b0f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dc599b56ad9796acc4d88b83bc0bbe0a9b44d4976c1daf97653a7f67e6b0f1", kill_on_drop: false }`
[INFO] [stdout] 12dc599b56ad9796acc4d88b83bc0bbe0a9b44d4976c1daf97653a7f67e6b0f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4249e1e2acfaade1f46d9e35308cfe7d46401f9f92292d7f5a34ede1301c2648
[INFO] running `Command { std: "docker" "start" "-a" "4249e1e2acfaade1f46d9e35308cfe7d46401f9f92292d7f5a34ede1301c2648", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling simplex_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `basis_cols`
[INFO] [stdout]    --> src/simplex.rs:201:6
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let basis_cols: Vec<usize> = basis.iter().map(|&x| x.1).collect();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_basis_cols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "4249e1e2acfaade1f46d9e35308cfe7d46401f9f92292d7f5a34ede1301c2648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4249e1e2acfaade1f46d9e35308cfe7d46401f9f92292d7f5a34ede1301c2648", kill_on_drop: false }`
[INFO] [stdout] 4249e1e2acfaade1f46d9e35308cfe7d46401f9f92292d7f5a34ede1301c2648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f075b38995c962475d49132f41850924f0d577276e67d06335c5b9e0fbc5c5
[INFO] running `Command { std: "docker" "start" "-a" "a7f075b38995c962475d49132f41850924f0d577276e67d06335c5b9e0fbc5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplex_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `basis_cols`
[INFO] [stdout]    --> src/simplex.rs:201:6
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let basis_cols: Vec<usize> = basis.iter().map(|&x| x.1).collect();
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_basis_cols`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a7f075b38995c962475d49132f41850924f0d577276e67d06335c5b9e0fbc5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f075b38995c962475d49132f41850924f0d577276e67d06335c5b9e0fbc5c5", kill_on_drop: false }`
[INFO] [stdout] a7f075b38995c962475d49132f41850924f0d577276e67d06335c5b9e0fbc5c5