[INFO] updating cached repository https://github.com/cbreeden/math833_project
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b651e86b4695f2883ac61eb246719128584a3258
[INFO] checking cbreeden/math833_project against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbreeden%2Fmath833_project" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbreeden/math833_project on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cbreeden/math833_project
[INFO] finished tweaking git repo https://github.com/cbreeden/math833_project
[INFO] tweaked toml for git repo https://github.com/cbreeden/math833_project written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cbreeden/math833_project already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b405dd50acbc13d571cc4487f231fd1412a92e767d776abad20a453e03aa8e9
[INFO] running `"docker" "start" "-a" "6b405dd50acbc13d571cc4487f231fd1412a92e767d776abad20a453e03aa8e9"`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking gnuplot v0.0.22
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking statrs v0.6.0
[INFO] [stderr]     Checking project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Axis`
[INFO] [stderr]    --> src/markov2011.rs:124:62
[INFO] [stderr]     |
[INFO] [stderr] 124 |     use gnuplot::{Figure, Caption, Color, AutoOption, Graph, Axis};
[INFO] [stderr]     |                                                              ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `"docker" "inspect" "6b405dd50acbc13d571cc4487f231fd1412a92e767d776abad20a453e03aa8e9"`
[INFO] running `"docker" "rm" "-f" "6b405dd50acbc13d571cc4487f231fd1412a92e767d776abad20a453e03aa8e9"`
[INFO] [stdout] 6b405dd50acbc13d571cc4487f231fd1412a92e767d776abad20a453e03aa8e9