[INFO] updating cached repository https://github.com/mubiquity/Rust-Nature-of-Code [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0d8e8ca56c9914340affa09702295cd160d7d1f5 [INFO] checking mubiquity/Rust-Nature-of-Code against try#e6563ac70cbfd3196492061900e9e9793e065e4d for pr-69410 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mubiquity/Rust-Nature-of-Code on toolchain e6563ac70cbfd3196492061900e9e9793e065e4d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/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 `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a0c458bc4c77c5d13c991d285108e3c8afc737a16acf25d6197534ab3f9b810d [INFO] running `"docker" "start" "-a" "a0c458bc4c77c5d13c991d285108e3c8afc737a16acf25d6197534ab3f9b810d"` [INFO] [stderr] Checking serde v1.0.37 [INFO] [stderr] Checking rand_core v0.1.0-pre.0 [INFO] [stderr] Compiling proc-macro2 v0.3.1 [INFO] [stderr] Checking stb_truetype v0.2.2 [INFO] [stderr] Compiling x11-dl v2.17.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking libloading v0.5.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rand v0.5.0-pre.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 rulinalg v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rusttype v0.4.3 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Checking wayland-sys v0.12.5 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking piston2d-graphics v0.26.0 [INFO] [stderr] Checking wayland-client v0.12.5 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking wayland-protocols v0.12.5 [INFO] [stderr] Checking wayland-kbd v0.13.1 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Checking wayland-window v0.13.3 [INFO] [stderr] Checking image v0.18.0 [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] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/random_walker.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut walker = Walker::random(&settings.get_size()); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/random_walker.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | for mut walker in walkers.iter_mut() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/random_walker.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | for mut val in color.iter_mut() { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/noise_walker.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | for mut walker in walkers.iter_mut() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/noise_walker.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | for mut col in color.iter_mut() { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/random_walker.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | let mut walker = Walker::random(&settings.get_size()); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/random_walker.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | for mut walker in walkers.iter_mut() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/random_walker.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | for mut val in color.iter_mut() { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/noise_walker.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | for mut walker in walkers.iter_mut() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/noise_walker.rs:79:13 [INFO] [stderr] | [INFO] [stderr] 79 | for mut col in color.iter_mut() { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 09s [INFO] running `"docker" "inspect" "a0c458bc4c77c5d13c991d285108e3c8afc737a16acf25d6197534ab3f9b810d"` [INFO] running `"docker" "rm" "-f" "a0c458bc4c77c5d13c991d285108e3c8afc737a16acf25d6197534ab3f9b810d"` [INFO] [stdout] a0c458bc4c77c5d13c991d285108e3c8afc737a16acf25d6197534ab3f9b810d