[INFO] cloning repository https://github.com/mubiquity/Rust-Nature-of-Code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mubiquity/Rust-Nature-of-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0d8e8ca56c9914340affa09702295cd160d7d1f5 [INFO] checking mubiquity/Rust-Nature-of-Code against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code" "/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/mubiquity/Rust-Nature-of-Code 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/mubiquity/Rust-Nature-of-Code [INFO] finished tweaking git repo https://github.com/mubiquity/Rust-Nature-of-Code [INFO] tweaked toml for git repo https://github.com/mubiquity/Rust-Nature-of-Code written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/mubiquity/Rust-Nature-of-Code 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] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.3.1 [INFO] [stderr] Downloaded rand v0.5.0-pre.0 [INFO] [stderr] Downloaded rand_core v0.1.0-pre.0 [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" "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] d781b44df4db0d006bac2b887a33f4575c95a9607984533c1a6ac7c5ed5d373f [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" "d781b44df4db0d006bac2b887a33f4575c95a9607984533c1a6ac7c5ed5d373f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d781b44df4db0d006bac2b887a33f4575c95a9607984533c1a6ac7c5ed5d373f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d781b44df4db0d006bac2b887a33f4575c95a9607984533c1a6ac7c5ed5d373f", kill_on_drop: false }` [INFO] [stdout] d781b44df4db0d006bac2b887a33f4575c95a9607984533c1a6ac7c5ed5d373f [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" "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] [stdout] 3117874481ec8819f64cbe877170c69c52c3fa3d3ebfe6804da5a67a1c27fe1a [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" "3117874481ec8819f64cbe877170c69c52c3fa3d3ebfe6804da5a67a1c27fe1a", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Compiling cc v1.0.9 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking piston-float v0.3.0 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Checking remove_dir_all v0.5.0 [INFO] [stderr] Checking serde v1.0.37 [INFO] [stderr] Checking shader_version v0.3.0 [INFO] [stderr] Compiling matrixmultiply v0.1.14 [INFO] [stderr] Checking piston-texture v0.6.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking interpolation v0.1.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rand_core v0.1.0-pre.0 [INFO] [stderr] Checking shared_library v0.1.8 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking piston-viewport v0.3.0 [INFO] [stderr] Checking vecmath v0.3.1 [INFO] [stderr] Checking tempfile v3.0.0 [INFO] [stderr] Compiling proc-macro2 v0.3.1 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Checking rand v0.5.0-pre.0 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking stb_truetype v0.2.2 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling gl_generator v0.8.0 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling x11-dl v2.17.5 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rusttype v0.4.3 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking piston2d-graphics v0.26.0 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Compiling glutin v0.12.2 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Checking wayland-window v0.13.3 [INFO] [stderr] Checking winit v0.10.0 [INFO] [stderr] Checking noise v0.5.1 [INFO] [stderr] Checking piston2d-opengl_graphics v0.52.0 [INFO] [stderr] Checking pistoncore-input v0.20.0 [INFO] [stderr] Checking pistoncore-window v0.31.0 [INFO] [stderr] Checking pistoncore-event_loop v0.36.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.45.3 [INFO] [stderr] Checking piston v0.36.0 [INFO] [stderr] Checking nature_of_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/random_walker.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut walker = Walker::random(&settings.get_size()); [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/random_walker.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | for mut walker in walkers.iter_mut() { [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/random_walker.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | for mut val in color.iter_mut() { [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/noise_walker.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | for mut walker in walkers.iter_mut() { [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/noise_walker.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | for mut col in color.iter_mut() { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/random_walker.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let mut walker = Walker::random(&settings.get_size()); [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/random_walker.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | for mut walker in walkers.iter_mut() { [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/random_walker.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | for mut val in color.iter_mut() { [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/noise_walker.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | for mut walker in walkers.iter_mut() { [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/noise_walker.rs:79:13 [INFO] [stdout] | [INFO] [stdout] 79 | for mut col in color.iter_mut() { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "3117874481ec8819f64cbe877170c69c52c3fa3d3ebfe6804da5a67a1c27fe1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3117874481ec8819f64cbe877170c69c52c3fa3d3ebfe6804da5a67a1c27fe1a", kill_on_drop: false }` [INFO] [stdout] 3117874481ec8819f64cbe877170c69c52c3fa3d3ebfe6804da5a67a1c27fe1a