[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#2ca7bcd03b87b52f7055a59b817443b0ac4a530d for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlainaIris%2Flinear-algebra" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AlainaIris/linear-algebra on toolchain 2ca7bcd03b87b52f7055a59b817443b0ac4a530d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "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" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28cff6ef3aa8d8bdd1e57b8c4fa9a77a0807ff574ccd16fec1f795766fc94d15
[INFO] running `Command { std: "docker" "start" "-a" "28cff6ef3aa8d8bdd1e57b8c4fa9a77a0807ff574ccd16fec1f795766fc94d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28cff6ef3aa8d8bdd1e57b8c4fa9a77a0807ff574ccd16fec1f795766fc94d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cff6ef3aa8d8bdd1e57b8c4fa9a77a0807ff574ccd16fec1f795766fc94d15", kill_on_drop: false }`
[INFO] [stdout] 28cff6ef3aa8d8bdd1e57b8c4fa9a77a0807ff574ccd16fec1f795766fc94d15
[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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00db78c30c8696b7d6e76a1dd11f6d5f54930d9a8ca3250dbc9dcecf1de30052
[INFO] running `Command { std: "docker" "start" "-a" "00db78c30c8696b7d6e76a1dd11f6d5f54930d9a8ca3250dbc9dcecf1de30052", 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] running `Command { std: "docker" "inspect" "00db78c30c8696b7d6e76a1dd11f6d5f54930d9a8ca3250dbc9dcecf1de30052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00db78c30c8696b7d6e76a1dd11f6d5f54930d9a8ca3250dbc9dcecf1de30052", kill_on_drop: false }`
[INFO] [stdout] 00db78c30c8696b7d6e76a1dd11f6d5f54930d9a8ca3250dbc9dcecf1de30052
