[INFO] cloning repository https://github.com/nnmm/buddhabrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nnmm/buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fbuddhabrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fbuddhabrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52f27a2c2438d0ed9be0dd3a52f75830e1997220
[INFO] checking nnmm/buddhabrot against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnnmm%2Fbuddhabrot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nnmm/buddhabrot on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/nnmm/buddhabrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34802aebf04bfef2d7d76b9304bacc779c2dcd0ceb1a28b63bb86f7d8dce3dc1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "34802aebf04bfef2d7d76b9304bacc779c2dcd0ceb1a28b63bb86f7d8dce3dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34802aebf04bfef2d7d76b9304bacc779c2dcd0ceb1a28b63bb86f7d8dce3dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34802aebf04bfef2d7d76b9304bacc779c2dcd0ceb1a28b63bb86f7d8dce3dc1", kill_on_drop: false }`
[INFO] [stdout] 34802aebf04bfef2d7d76b9304bacc779c2dcd0ceb1a28b63bb86f7d8dce3dc1
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d0b19db99fbd7c07aab0d749a99aaf0f635d72ceae31eaba8fb71046ea5118
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08d0b19db99fbd7c07aab0d749a99aaf0f635d72ceae31eaba8fb71046ea5118", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking tiff v0.3.1
[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] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/main.rs:206:63
[INFO] [stdout]     |
[INFO] [stdout] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/main.rs:206:63
[INFO] [stdout]     |
[INFO] [stdout] 206 |         azip!((mut pix in buf.genrows_mut(), &r in &density, &g in &colorness) {
[INFO] [stdout]     |                                                               ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.21s
[INFO] running `Command { std: "docker" "inspect" "08d0b19db99fbd7c07aab0d749a99aaf0f635d72ceae31eaba8fb71046ea5118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d0b19db99fbd7c07aab0d749a99aaf0f635d72ceae31eaba8fb71046ea5118", kill_on_drop: false }`
[INFO] [stdout] 08d0b19db99fbd7c07aab0d749a99aaf0f635d72ceae31eaba8fb71046ea5118