[INFO] cloning repository https://github.com/Jess3Jane/mandelbrot_v2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jess3Jane/mandelbrot_v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJess3Jane%2Fmandelbrot_v2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJess3Jane%2Fmandelbrot_v2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 732b53a51334d75d31a0da98b52dd9c372278261 [INFO] checking Jess3Jane/mandelbrot_v2 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJess3Jane%2Fmandelbrot_v2" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jess3Jane/mandelbrot_v2 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Jess3Jane/mandelbrot_v2 [INFO] finished tweaking git repo https://github.com/Jess3Jane/mandelbrot_v2 [INFO] tweaked toml for git repo https://github.com/Jess3Jane/mandelbrot_v2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Jess3Jane/mandelbrot_v2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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 spmc v0.2.2 [INFO] [stderr] Downloaded num-derive v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d20037fc8e9c5846b303191885242850c4c443471ba2dd69b7ebb1af94b6941 [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" "2d20037fc8e9c5846b303191885242850c4c443471ba2dd69b7ebb1af94b6941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d20037fc8e9c5846b303191885242850c4c443471ba2dd69b7ebb1af94b6941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d20037fc8e9c5846b303191885242850c4c443471ba2dd69b7ebb1af94b6941", kill_on_drop: false }` [INFO] [stdout] 2d20037fc8e9c5846b303191885242850c4c443471ba2dd69b7ebb1af94b6941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] abb36d917aba5503adcb7774ce6c75d721c96f12a1a04ed16d377df974dea884 [INFO] running `Command { std: "docker" "start" "-a" "abb36d917aba5503adcb7774ce6c75d721c96f12a1a04ed16d377df974dea884", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking spmc v0.2.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking pbr v1.0.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Compiling num-derive v0.2.1 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking fractal v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut histogram = histograms[id].clone(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut row_iter = iters[y_px as usize].clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut iter = iters[y as usize].lock().unwrap()[x as usize]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:284:33 [INFO] [stdout] | [INFO] [stdout] 284 | ... let mut iter = image[x as usize + y as usize*ctx.x_px as usize]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | let mut histogram = histograms[id].clone(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut row_iter = iters[y_px as usize].clone(); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut iter = iters[y as usize].lock().unwrap()[x as usize]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/util.rs:284:33 [INFO] [stdout] | [INFO] [stdout] 284 | ... let mut iter = image[x as usize + y as usize*ctx.x_px as usize]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.75s [INFO] running `Command { std: "docker" "inspect" "abb36d917aba5503adcb7774ce6c75d721c96f12a1a04ed16d377df974dea884", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abb36d917aba5503adcb7774ce6c75d721c96f12a1a04ed16d377df974dea884", kill_on_drop: false }` [INFO] [stdout] abb36d917aba5503adcb7774ce6c75d721c96f12a1a04ed16d377df974dea884