[INFO] cloning repository https://github.com/boguszjelinski/kern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boguszjelinski/kern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboguszjelinski%2Fkern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboguszjelinski%2Fkern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0877c87304b4600641ec9c2e8494f05bec4bc68a
[INFO] testing boguszjelinski/kern against 1.98.0-beta.1 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboguszjelinski%2Fkern" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/boguszjelinski/kern
[INFO] finished tweaking git repo https://github.com/boguszjelinski/kern
[INFO] tweaked toml for git repo https://github.com/boguszjelinski/kern written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/boguszjelinski/kern on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/boguszjelinski/kern 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da
[INFO] running `Command { std: "docker" "start" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling kern v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling arc-swap v1.7.1
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[INFO] [stderr]    Compiling config v0.13.4
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[INFO] [stdout] error[E0433]: cannot find module or crate `csv` in this scope
[INFO] [stdout]    --> src/solver.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |     let mut rdr = csv::ReaderBuilder::new()
[INFO] [stdout]     |                   ^^^ use of unresolved module or unlinked crate `csv`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `csv`, use `cargo add csv` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `relocate_free_cabs_glpk`
[INFO] [stdout]   --> src/main.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 | use solver::{lcm, munkres, relocate_free_cabs, relocate_free_cabs_glpk};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:572:5
[INFO] [stdout]     |
[INFO] [stdout] 572 |     'outer: for i in 0 .. cnt as usize {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/solver.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut stop_capa: Vec<i16> = count_capacity(free_cabs, stops);
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kern` (bin "kern") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da", kill_on_drop: false }`
[INFO] [stdout] 3644a77349a7d5095e9c81a1ebac19d019e4bfa36e6b31e82904ab969da637da
