[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#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJess3Jane%2Fmandelbrot_v2" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jess3Jane/mandelbrot_v2 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/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-13/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--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 inflate v0.4.2 [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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 85c199ec7305eaf05e131da64c76f5938336b19f016fa8a002652a164def058e [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" "85c199ec7305eaf05e131da64c76f5938336b19f016fa8a002652a164def058e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85c199ec7305eaf05e131da64c76f5938336b19f016fa8a002652a164def058e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85c199ec7305eaf05e131da64c76f5938336b19f016fa8a002652a164def058e", kill_on_drop: false }` [INFO] [stdout] 85c199ec7305eaf05e131da64c76f5938336b19f016fa8a002652a164def058e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 91c1e481b57bd9141c2b012a8cc8cdaddb314821f3d0efc8ae2e73f876280431 [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" "91c1e481b57bd9141c2b012a8cc8cdaddb314821f3d0efc8ae2e73f876280431", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking spmc v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking pbr v1.0.1 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.1 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [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: 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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.33s [INFO] running `Command { std: "docker" "inspect" "91c1e481b57bd9141c2b012a8cc8cdaddb314821f3d0efc8ae2e73f876280431", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91c1e481b57bd9141c2b012a8cc8cdaddb314821f3d0efc8ae2e73f876280431", kill_on_drop: false }` [INFO] [stdout] 91c1e481b57bd9141c2b012a8cc8cdaddb314821f3d0efc8ae2e73f876280431