[INFO] cloning repository https://github.com/aidenbenner/rust-fractals [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aidenbenner/rust-fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidenbenner%2Frust-fractals", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidenbenner%2Frust-fractals'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e76da4257b001fa117b74a43a4f2a64cab4029da [INFO] checking aidenbenner/rust-fractals against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidenbenner%2Frust-fractals" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aidenbenner/rust-fractals on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aidenbenner/rust-fractals [INFO] finished tweaking git repo https://github.com/aidenbenner/rust-fractals [INFO] tweaked toml for git repo https://github.com/aidenbenner/rust-fractals written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/aidenbenner/rust-fractals already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded image v0.22.1 [INFO] [stderr] Downloaded png v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a676da0f12fa504879d11b8b3ac78a0441f0efd60d6d9ef1299555d824590cb9 [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" "a676da0f12fa504879d11b8b3ac78a0441f0efd60d6d9ef1299555d824590cb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a676da0f12fa504879d11b8b3ac78a0441f0efd60d6d9ef1299555d824590cb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a676da0f12fa504879d11b8b3ac78a0441f0efd60d6d9ef1299555d824590cb9", kill_on_drop: false }` [INFO] [stdout] a676da0f12fa504879d11b8b3ac78a0441f0efd60d6d9ef1299555d824590cb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d57f194c3e1a8a779a539fc67272ad07742c38c982df02cdb2bd6410a4ffe9bc [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" "d57f194c3e1a8a779a539fc67272ad07742c38c982df02cdb2bd6410a4ffe9bc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking gif v0.10.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [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] Compiling memoffset v0.5.1 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking rust_fractals v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pixel` [INFO] [stdout] --> src/main.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | for (x, y, pixel) in imgbuf.enumerate_pixels_mut() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let r = (0.1 * x as f32) as u8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let b = (0.2 * y as f32) as u8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let g = (0.4 * y as f32) as u8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `total` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let total = imgx * imgy; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_total` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:38:28 [INFO] [stdout] | [INFO] [stdout] 38 | let image::Rgb(data) = *pixel; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pixel` [INFO] [stdout] --> src/main.rs:14:16 [INFO] [stdout] | [INFO] [stdout] 14 | for (x, y, pixel) in imgbuf.enumerate_pixels_mut() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_pixel` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let r = (0.1 * x as f32) as u8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let b = (0.2 * y as f32) as u8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:17:13 [INFO] [stdout] | [INFO] [stdout] 17 | let g = (0.4 * y as f32) as u8; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `total` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let total = imgx * imgy; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_total` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/main.rs:38:28 [INFO] [stdout] | [INFO] [stdout] 38 | let image::Rgb(data) = *pixel; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.08s [INFO] running `Command { std: "docker" "inspect" "d57f194c3e1a8a779a539fc67272ad07742c38c982df02cdb2bd6410a4ffe9bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57f194c3e1a8a779a539fc67272ad07742c38c982df02cdb2bd6410a4ffe9bc", kill_on_drop: false }` [INFO] [stdout] d57f194c3e1a8a779a539fc67272ad07742c38c982df02cdb2bd6410a4ffe9bc