[INFO] cloning repository https://github.com/Jswizzy/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jswizzy/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbad2f34a66e00bac558affc3b604240ccd50770
[INFO] checking Jswizzy/mandelbrot against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJswizzy%2Fmandelbrot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jswizzy/mandelbrot on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jswizzy/mandelbrot
[INFO] finished tweaking git repo https://github.com/Jswizzy/mandelbrot
[INFO] tweaked toml for git repo https://github.com/Jswizzy/mandelbrot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Jswizzy/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded gif v0.10.0
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded parking_lot v0.6.3
[INFO] [stderr]   Downloaded crossbeam v0.4.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.5.2
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded num-derive v0.2.2
[INFO] [stderr]   Downloaded inflate v0.4.3
[INFO] [stderr]   Downloaded image v0.19.0
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded deflate v0.7.18
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded num-complex v0.2.0
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] running `Command { std: "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" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] cd2dc7e21fb4f36dca7360c39b2e3fe3cb420cd99657b4743746c9074d8009f1
[INFO] running `Command { std: "docker" "start" "-a" "cd2dc7e21fb4f36dca7360c39b2e3fe3cb420cd99657b4743746c9074d8009f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd2dc7e21fb4f36dca7360c39b2e3fe3cb420cd99657b4743746c9074d8009f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2dc7e21fb4f36dca7360c39b2e3fe3cb420cd99657b4743746c9074d8009f1", kill_on_drop: false }`
[INFO] [stdout] cd2dc7e21fb4f36dca7360c39b2e3fe3cb420cd99657b4743746c9074d8009f1
[INFO] running `Command { std: "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" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e5e24a9cc9b2a19e422a34fe68ad9fb287a0d1f8d0e729d6bfea1589d7eb0997
[INFO] running `Command { std: "docker" "start" "-a" "e5e24a9cc9b2a19e422a34fe68ad9fb287a0d1f8d0e729d6bfea1589d7eb0997", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.2.4
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     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:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     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:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     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:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     try!(encoder.encode(&pixels[..],
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.58s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5e24a9cc9b2a19e422a34fe68ad9fb287a0d1f8d0e729d6bfea1589d7eb0997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e24a9cc9b2a19e422a34fe68ad9fb287a0d1f8d0e729d6bfea1589d7eb0997", kill_on_drop: false }`
[INFO] [stdout] e5e24a9cc9b2a19e422a34fe68ad9fb287a0d1f8d0e729d6bfea1589d7eb0997