[INFO] cloning repository https://github.com/trevorgrabham/SimplexSolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevorgrabham/SimplexSolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorgrabham%2FSimplexSolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorgrabham%2FSimplexSolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e70999293f2575deed9a85e9abd785dac40c4c08
[INFO] testing trevorgrabham/SimplexSolver against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorgrabham%2FSimplexSolver" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  89% (249/278)
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Updating files: 100% (278/278)
Updating files: 100% (278/278), done.
[INFO] validating manifest of git repo https://github.com/trevorgrabham/SimplexSolver on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trevorgrabham/SimplexSolver
[INFO] finished tweaking git repo https://github.com/trevorgrabham/SimplexSolver
[INFO] tweaked toml for git repo https://github.com/trevorgrabham/SimplexSolver written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/trevorgrabham/SimplexSolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb1133d7c5314e03392b49f2bd80e851c0a3615fce07b472e40eee3ae9580771
[INFO] running `Command { std: "docker" "start" "-a" "eb1133d7c5314e03392b49f2bd80e851c0a3615fce07b472e40eee3ae9580771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb1133d7c5314e03392b49f2bd80e851c0a3615fce07b472e40eee3ae9580771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1133d7c5314e03392b49f2bd80e851c0a3615fce07b472e40eee3ae9580771", kill_on_drop: false }`
[INFO] [stdout] eb1133d7c5314e03392b49f2bd80e851c0a3615fce07b472e40eee3ae9580771
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685ec3fed05b440f942b9322a9cdfb6cf9733dce774b153d3e09e15f4f37ce70
[INFO] running `Command { std: "docker" "start" "-a" "685ec3fed05b440f942b9322a9cdfb6cf9733dce774b153d3e09e15f4f37ce70", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Fraction`
[INFO] [stdout]    --> src/simplex/fraction.rs:394:9
[INFO] [stdout]     |
[INFO] [stdout] 394 |     use super::Fraction;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/simplex/fraction.rs:393:1
[INFO] [stdout]     |
[INFO] [stdout] 393 | mod fraction_test {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut tableau = Tableau::new(&A,&b,&c,String::from("standard"),String::from("bland"),String::from("twophase"));
[INFO] [stdout]   |                                    ^^ expected slice `[&[f64]]`, found struct `Vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected reference `&[&[f64]]`
[INFO] [stdout]              found reference `&Vec<Vec<f64>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simplex` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "685ec3fed05b440f942b9322a9cdfb6cf9733dce774b153d3e09e15f4f37ce70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685ec3fed05b440f942b9322a9cdfb6cf9733dce774b153d3e09e15f4f37ce70", kill_on_drop: false }`
[INFO] [stdout] 685ec3fed05b440f942b9322a9cdfb6cf9733dce774b153d3e09e15f4f37ce70