[INFO] cloning repository https://github.com/AlainaIris/linear-algebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlainaIris/linear-algebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainaIris%2Flinear-algebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainaIris%2Flinear-algebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6af64e595bf567701762c23828e02bb6c30e48
[INFO] checking AlainaIris/linear-algebra against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainaIris%2Flinear-algebra" "/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/AlainaIris/linear-algebra
[INFO] finished tweaking git repo https://github.com/AlainaIris/linear-algebra
[INFO] tweaked toml for git repo https://github.com/AlainaIris/linear-algebra written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlainaIris/linear-algebra on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AlainaIris/linear-algebra 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3b4f6e06c23911d396fc42275a129a139000c61770ecb715cac3640dd1dd445
[INFO] running `Command { std: "docker" "start" "-a" "e3b4f6e06c23911d396fc42275a129a139000c61770ecb715cac3640dd1dd445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b4f6e06c23911d396fc42275a129a139000c61770ecb715cac3640dd1dd445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b4f6e06c23911d396fc42275a129a139000c61770ecb715cac3640dd1dd445", kill_on_drop: false }`
[INFO] [stdout] e3b4f6e06c23911d396fc42275a129a139000c61770ecb715cac3640dd1dd445
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b93b25725f1869f5b30d16de8f7f917ae898a11852803bf33ef4876f91b6c14
[INFO] running `Command { std: "docker" "start" "-a" "9b93b25725f1869f5b30d16de8f7f917ae898a11852803bf33ef4876f91b6c14", kill_on_drop: false }`
[INFO] [stderr]     Checking linear-algebra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `linear_algebra`
[INFO] [stdout]    --> src/main.rs:161:2
[INFO] [stdout]     |
[INFO] [stdout] 161 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linear-algebra` (bin "linear-algebra") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9b93b25725f1869f5b30d16de8f7f917ae898a11852803bf33ef4876f91b6c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b93b25725f1869f5b30d16de8f7f917ae898a11852803bf33ef4876f91b6c14", kill_on_drop: false }`
[INFO] [stdout] 9b93b25725f1869f5b30d16de8f7f917ae898a11852803bf33ef4876f91b6c14
