[INFO] cloning repository https://github.com/fumita/parallel-mandelbrot-algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fumita/parallel-mandelbrot-algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffumita%2Fparallel-mandelbrot-algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffumita%2Fparallel-mandelbrot-algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b86dad1cded73d7ab786af258c77508ae03732be
[INFO] checking fumita/parallel-mandelbrot-algorithm against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffumita%2Fparallel-mandelbrot-algorithm" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fumita/parallel-mandelbrot-algorithm on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fumita/parallel-mandelbrot-algorithm
[INFO] finished tweaking git repo https://github.com/fumita/parallel-mandelbrot-algorithm
[INFO] tweaked toml for git repo https://github.com/fumita/parallel-mandelbrot-algorithm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fumita/parallel-mandelbrot-algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded num-rational v0.1.41
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ee22b69b7e74f67ce56f902554d02ad39c332aef2b75fb34f488715e79f8bed
[INFO] running `Command { std: "docker" "start" "-a" "5ee22b69b7e74f67ce56f902554d02ad39c332aef2b75fb34f488715e79f8bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ee22b69b7e74f67ce56f902554d02ad39c332aef2b75fb34f488715e79f8bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee22b69b7e74f67ce56f902554d02ad39c332aef2b75fb34f488715e79f8bed", kill_on_drop: false }`
[INFO] [stdout] 5ee22b69b7e74f67ce56f902554d02ad39c332aef2b75fb34f488715e79f8bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 146d590e96cb080f447eaac57a3cf5eed7f20b251cb7c230885bc933538aadf4
[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" "146d590e96cb080f447eaac57a3cf5eed7f20b251cb7c230885bc933538aadf4", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking mandelbrot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let output = try!(File::create(filename));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     try!(encoder.encode(&pixels[..],
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let output = try!(File::create(filename));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     try!(encoder.encode(&pixels[..],
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "146d590e96cb080f447eaac57a3cf5eed7f20b251cb7c230885bc933538aadf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "146d590e96cb080f447eaac57a3cf5eed7f20b251cb7c230885bc933538aadf4", kill_on_drop: false }`
[INFO] [stdout] 146d590e96cb080f447eaac57a3cf5eed7f20b251cb7c230885bc933538aadf4