[INFO] updating cached repository mubiquity/Rust-Nature-of-Code [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mubiquity/Rust-Nature-of-Code [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mubiquity/Rust-Nature-of-Code" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mubiquity/Rust-Nature-of-Code"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mubiquity/Rust-Nature-of-Code'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mubiquity/Rust-Nature-of-Code" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mubiquity/Rust-Nature-of-Code"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mubiquity/Rust-Nature-of-Code'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0d8e8ca56c9914340affa09702295cd160d7d1f5 [INFO] sha for GitHub repo mubiquity/Rust-Nature-of-Code: 0d8e8ca56c9914340affa09702295cd160d7d1f5 [INFO] validating manifest of mubiquity/Rust-Nature-of-Code on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mubiquity/Rust-Nature-of-Code on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mubiquity/Rust-Nature-of-Code [INFO] finished frobbing mubiquity/Rust-Nature-of-Code [INFO] frobbed toml for mubiquity/Rust-Nature-of-Code written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mubiquity/Rust-Nature-of-Code/Cargo.toml [INFO] started frobbing mubiquity/Rust-Nature-of-Code [INFO] finished frobbing mubiquity/Rust-Nature-of-Code [INFO] frobbed toml for mubiquity/Rust-Nature-of-Code written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/mubiquity/Rust-Nature-of-Code/Cargo.toml [INFO] crate mubiquity/Rust-Nature-of-Code already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mubiquity/Rust-Nature-of-Code against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/mubiquity/Rust-Nature-of-Code:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a5e66896432400d3e428917d6269dd91a352fc833b8cc5abe80d57a38d88a12f [INFO] running `"docker" "start" "-a" "a5e66896432400d3e428917d6269dd91a352fc833b8cc5abe80d57a38d88a12f"` [INFO] [stderr] Checking rand_core v0.1.0-pre.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Checking rand v0.5.0-pre.0 [INFO] [stderr] Checking pistoncore-input v0.20.0 [INFO] [stderr] Checking rusttype v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking piston2d-graphics v0.26.0 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking pistoncore-window v0.31.0 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking pistoncore-event_loop v0.36.0 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Checking piston v0.36.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.45.3 [INFO] [stderr] Checking noise v0.5.1 [INFO] [stderr] Checking piston2d-opengl_graphics v0.52.0 [INFO] [stderr] Checking nature_of_code v0.1.0 (/opt/crater/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 46.06s [INFO] running `"docker" "inspect" "a5e66896432400d3e428917d6269dd91a352fc833b8cc5abe80d57a38d88a12f"` [INFO] running `"docker" "rm" "-f" "a5e66896432400d3e428917d6269dd91a352fc833b8cc5abe80d57a38d88a12f"` [INFO] [stdout] a5e66896432400d3e428917d6269dd91a352fc833b8cc5abe80d57a38d88a12f