[INFO] updating cached repository https://github.com/mubiquity/Rust-Nature-of-Code [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] testing mubiquity/Rust-Nature-of-Code against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmubiquity%2FRust-Nature-of-Code" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mubiquity/Rust-Nature-of-Code on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 426ab654924a7cae0fbf9cbb4a6b8ec157f97961117fbafb366440ada435283b [INFO] running `"docker" "start" "-a" "426ab654924a7cae0fbf9cbb4a6b8ec157f97961117fbafb366440ada435283b"` [INFO] [stderr] Compiling num-traits v0.2.2 [INFO] [stderr] Compiling remove_dir_all v0.5.0 [INFO] [stderr] Compiling rand_core v0.1.0-pre.0 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling proc-macro2 v0.3.1 [INFO] [stderr] Compiling x11-dl v2.17.5 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling shared_library v0.1.8 [INFO] [stderr] Compiling stb_truetype v0.2.2 [INFO] [stderr] Compiling deflate v0.7.18 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling gl_generator v0.8.0 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling tempfile v3.0.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling rand v0.5.0-pre.0 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling ordered-float v0.5.0 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling wayland-sys v0.12.5 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling rusttype v0.4.3 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling glutin v0.12.2 [INFO] [stderr] Compiling rulinalg v0.4.2 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling piston2d-graphics v0.26.0 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Compiling wayland-kbd v0.13.1 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling wayland-window v0.13.3 [INFO] [stderr] Compiling winit v0.10.0 [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/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] Finished dev [unoptimized + debuginfo] target(s) in 45.23s [INFO] running `"docker" "inspect" "426ab654924a7cae0fbf9cbb4a6b8ec157f97961117fbafb366440ada435283b"` [INFO] running `"docker" "rm" "-f" "426ab654924a7cae0fbf9cbb4a6b8ec157f97961117fbafb366440ada435283b"` [INFO] [stdout] 426ab654924a7cae0fbf9cbb4a6b8ec157f97961117fbafb366440ada435283b [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 645f80588990f674561fc119236541586c4e7ae4c91e12fd6de2ee2d0fae4aa9 [INFO] running `"docker" "start" "-a" "645f80588990f674561fc119236541586c4e7ae4c91e12fd6de2ee2d0fae4aa9"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `"docker" "inspect" "645f80588990f674561fc119236541586c4e7ae4c91e12fd6de2ee2d0fae4aa9"` [INFO] running `"docker" "rm" "-f" "645f80588990f674561fc119236541586c4e7ae4c91e12fd6de2ee2d0fae4aa9"` [INFO] [stdout] 645f80588990f674561fc119236541586c4e7ae4c91e12fd6de2ee2d0fae4aa9 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"` [INFO] [stdout] 68ae964039a08ca0c922cb4427278c4cdbfb1e98e111d4e7fdd4a33f63e92b62 [INFO] running `"docker" "start" "-a" "68ae964039a08ca0c922cb4427278c4cdbfb1e98e111d4e7fdd4a33f63e92b62"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nature_of_code-71b1d8fec2c70ecf [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/rustwide/target/debug/deps/nature_of_code-4f1383ace178c461 [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" "68ae964039a08ca0c922cb4427278c4cdbfb1e98e111d4e7fdd4a33f63e92b62"` [INFO] running `"docker" "rm" "-f" "68ae964039a08ca0c922cb4427278c4cdbfb1e98e111d4e7fdd4a33f63e92b62"` [INFO] [stdout] 68ae964039a08ca0c922cb4427278c4cdbfb1e98e111d4e7fdd4a33f63e92b62