[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/beta-1.38-1/sources/1.37.0/gh/mubiquity/Rust-Nature-of-Code"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mubiquity/Rust-Nature-of-Code'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mubiquity/Rust-Nature-of-Code" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mubiquity/Rust-Nature-of-Code"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mubiquity/Rust-Nature-of-Code on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing mubiquity/Rust-Nature-of-Code against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] f14f6dec952aed96eeccc02aa4d83c7ba6106a99ae0e7728523d81a007e8fe65 [INFO] running `"docker" "start" "-a" "f14f6dec952aed96eeccc02aa4d83c7ba6106a99ae0e7728523d81a007e8fe65"` [INFO] [stderr] Compiling proc-macro2 v0.3.1 [INFO] [stderr] Compiling deflate v0.7.18 [INFO] [stderr] Compiling stb_truetype v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling ordered-float v0.5.0 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling gl_generator v0.8.0 [INFO] [stderr] Compiling rusttype v0.4.3 [INFO] [stderr] Compiling rulinalg v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Compiling winit v0.10.0 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling piston2d-graphics v0.26.0 [INFO] [stderr] Compiling glutin v0.12.2 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Compiling pistoncore-input v0.20.0 [INFO] [stderr] Compiling noise v0.5.1 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.52.0 [INFO] [stderr] Compiling pistoncore-window v0.31.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.36.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.45.3 [INFO] [stderr] Compiling piston v0.36.0 [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 2m 06s [INFO] running `"docker" "inspect" "f14f6dec952aed96eeccc02aa4d83c7ba6106a99ae0e7728523d81a007e8fe65"` [INFO] running `"docker" "rm" "-f" "f14f6dec952aed96eeccc02aa4d83c7ba6106a99ae0e7728523d81a007e8fe65"` [INFO] [stdout] f14f6dec952aed96eeccc02aa4d83c7ba6106a99ae0e7728523d81a007e8fe65 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f62bd8f72f89307f3e6e0cb2a6db3b524a7611658de839b9e39736fe043eb351 [INFO] running `"docker" "start" "-a" "f62bd8f72f89307f3e6e0cb2a6db3b524a7611658de839b9e39736fe043eb351"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 2.36s [INFO] running `"docker" "inspect" "f62bd8f72f89307f3e6e0cb2a6db3b524a7611658de839b9e39736fe043eb351"` [INFO] running `"docker" "rm" "-f" "f62bd8f72f89307f3e6e0cb2a6db3b524a7611658de839b9e39736fe043eb351"` [INFO] [stdout] f62bd8f72f89307f3e6e0cb2a6db3b524a7611658de839b9e39736fe043eb351 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 0096d598ed1411dd90262ebcf10b2c4474bf9a502a610d1bddd48e9f03154c9f [INFO] running `"docker" "start" "-a" "0096d598ed1411dd90262ebcf10b2c4474bf9a502a610d1bddd48e9f03154c9f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/nature_of_code-1c798109737fc5c2 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/nature_of_code-56ad3afd379298f5 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests nature_of_code [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "0096d598ed1411dd90262ebcf10b2c4474bf9a502a610d1bddd48e9f03154c9f"` [INFO] running `"docker" "rm" "-f" "0096d598ed1411dd90262ebcf10b2c4474bf9a502a610d1bddd48e9f03154c9f"` [INFO] [stdout] 0096d598ed1411dd90262ebcf10b2c4474bf9a502a610d1bddd48e9f03154c9f