[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b6337fceff2e14317b3d5485f0bd174343aac77
[INFO] checking adrienthebo/mandelbrot-rs against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrienthebo%2Fmandelbrot-rs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrienthebo/mandelbrot-rs on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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-2/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 89b82cdaff7118f1294ee58df196617aba80e3034f2dc21d5028248822aec3cb
[INFO] running `"docker" "start" "-a" "89b82cdaff7118f1294ee58df196617aba80e3034f2dc21d5028248822aec3cb"`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking indicatif v0.12.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking nalgebra v0.18.1
[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: `BoundRctx`
[INFO] [stderr]   --> src/main.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mandelbrot::rctx::{RenderContext, BoundRctx};
[INFO] [stderr]    |                                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BoundRctx`
[INFO] [stderr]   --> src/main.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 | use mandelbrot::rctx::{RenderContext, BoundRctx};
[INFO] [stderr]    |                                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "89b82cdaff7118f1294ee58df196617aba80e3034f2dc21d5028248822aec3cb"`
[INFO] running `"docker" "rm" "-f" "89b82cdaff7118f1294ee58df196617aba80e3034f2dc21d5028248822aec3cb"`
[INFO] [stdout] 89b82cdaff7118f1294ee58df196617aba80e3034f2dc21d5028248822aec3cb