[INFO] updating cached repository https://github.com/nnmm/buddhabrot
[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] 52f27a2c2438d0ed9be0dd3a52f75830e1997220
[INFO] checking nnmm/buddhabrot against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fbuddhabrot" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnmm/buddhabrot 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/nnmm/buddhabrot
[INFO] finished tweaking git repo https://github.com/nnmm/buddhabrot
[INFO] tweaked toml for git repo https://github.com/nnmm/buddhabrot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nnmm/buddhabrot already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e0ce9ac9e9ebc5235116544135d30a7387127790280947e9bb534e33b24b3d21
[INFO] running `"docker" "start" "-a" "e0ce9ac9e9ebc5235116544135d30a7387127790280947e9bb534e33b24b3d21"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking buddhabrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/main.rs:206:63
[INFO] [stderr]     |
[INFO] [stderr] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stderr]     |                                                               ^ help: consider prefixing with an underscore: `_g`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/main.rs:206:63
[INFO] [stderr]     |
[INFO] [stderr] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stderr]     |                                                               ^ help: consider prefixing with an underscore: `_g`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "e0ce9ac9e9ebc5235116544135d30a7387127790280947e9bb534e33b24b3d21"`
[INFO] running `"docker" "rm" "-f" "e0ce9ac9e9ebc5235116544135d30a7387127790280947e9bb534e33b24b3d21"`
[INFO] [stdout] e0ce9ac9e9ebc5235116544135d30a7387127790280947e9bb534e33b24b3d21