[INFO] updating cached repository https://github.com/adrienthebo/mandelbrot-rs
[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] [stderr] From https://github.com/adrienthebo/mandelbrot-rs
[INFO] [stderr]    44de01f..bc44744  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc4474482c9aa67387cd7b177bfb94d3863ce695
[INFO] checking adrienthebo/mandelbrot-rs against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrienthebo%2Fmandelbrot-rs" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrienthebo/mandelbrot-rs on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/adrienthebo/mandelbrot-rs
[INFO] finished tweaking git repo https://github.com/adrienthebo/mandelbrot-rs
[INFO] tweaked toml for git repo https://github.com/adrienthebo/mandelbrot-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/adrienthebo/mandelbrot-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] d01482ea53a5e7ba80ea288d6753cfe587674b125d2a9fa22672479f487d569d
[INFO] running `"docker" "start" "-a" "d01482ea53a5e7ba80ea288d6753cfe587674b125d2a9fa22672479f487d569d"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking indicatif v0.12.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking mandelbrot v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::Pos`
[INFO] [stderr]  --> src/loc.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::Pos;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Pos`
[INFO] [stderr]  --> src/loc.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::Pos;
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "d01482ea53a5e7ba80ea288d6753cfe587674b125d2a9fa22672479f487d569d"`
[INFO] running `"docker" "rm" "-f" "d01482ea53a5e7ba80ea288d6753cfe587674b125d2a9fa22672479f487d569d"`
[INFO] [stdout] d01482ea53a5e7ba80ea288d6753cfe587674b125d2a9fa22672479f487d569d