[INFO] cloning repository https://github.com/JoshuaRadin37/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshuaRadin37/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab48534fd965ac293af7e19ab94618525193cbb5 [INFO] checking JoshuaRadin37/sudoku against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaRadin37%2Fsudoku" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JoshuaRadin37/sudoku on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JoshuaRadin37/sudoku [INFO] finished tweaking git repo https://github.com/JoshuaRadin37/sudoku [INFO] tweaked toml for git repo https://github.com/JoshuaRadin37/sudoku written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/JoshuaRadin37/sudoku already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f19624b1536e73a17e799fbba5a050b443b11ebb47330b5ecfd725a3c78ebc26 [INFO] running `Command { std: "docker" "start" "-a" "f19624b1536e73a17e799fbba5a050b443b11ebb47330b5ecfd725a3c78ebc26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f19624b1536e73a17e799fbba5a050b443b11ebb47330b5ecfd725a3c78ebc26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f19624b1536e73a17e799fbba5a050b443b11ebb47330b5ecfd725a3c78ebc26", kill_on_drop: false }` [INFO] [stdout] f19624b1536e73a17e799fbba5a050b443b11ebb47330b5ecfd725a3c78ebc26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f7d5c2c91508405073ba5f324145ff14fd66054cac828667556c9ebc5703a46 [INFO] running `Command { std: "docker" "start" "-a" "8f7d5c2c91508405073ba5f324145ff14fd66054cac828667556c9ebc5703a46", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.4 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking piston-graphics_api_version v1.0.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking weezl v0.1.5 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking spin_sleep v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking bytemuck v1.7.0 [INFO] [stderr] Checking piston-texture v0.8.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking piston-shaders_graphics2d v0.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Checking libloading v0.7.0 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking gif v0.11.2 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking dlib v0.5.0 [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking andrew v0.3.1 [INFO] [stderr] Checking piston2d-graphics v0.40.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Checking shader_version v0.7.0 [INFO] [stderr] Compiling glutin_glx_sys v0.1.7 [INFO] [stderr] Compiling glutin_egl_sys v0.1.5 [INFO] [stderr] Compiling gl v0.13.0 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking memmap2 v0.1.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking xcursor v0.3.3 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking calloop v0.6.5 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Checking wayland-egl v0.28.6 [INFO] [stderr] Checking piston2d-opengl_graphics v0.78.0 [INFO] [stderr] Checking smithay-client-toolkit v0.12.3 [INFO] [stderr] Checking winit v0.24.0 [INFO] [stderr] Checking glutin v0.26.0 [INFO] [stderr] Checking pistoncore-input v1.0.0 [INFO] [stderr] Checking pistoncore-window v0.47.0 [INFO] [stderr] Checking pistoncore-event_loop v0.53.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.69.0 [INFO] [stderr] Checking piston v0.53.0 [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/game_creator/random_create_game.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::advanced_solver::Solver` [INFO] [stdout] --> src/game_creator/random_create_game.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use crate::advanced_solver::Solver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/game_creator/random_create_game.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::advanced_solver::Solver` [INFO] [stdout] --> src/game_creator/random_create_game.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use crate::advanced_solver::Solver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `game_board` [INFO] [stdout] --> src/advanced_solver/techniques/hidden_pair.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | fn apply_to(&self, game_board: &GameBoard) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `solution` [INFO] [stdout] --> src/game_creator/random_create_game.rs:216:13 [INFO] [stdout] | [INFO] [stdout] 216 | let solution = game_board.clone(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solution` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `game_board` [INFO] [stdout] --> src/advanced_solver/techniques/hidden_pair.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | fn apply_to(&self, game_board: &GameBoard) -> Result { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `solution` [INFO] [stdout] --> src/game_creator/random_create_game.rs:216:13 [INFO] [stdout] | [INFO] [stdout] 216 | let solution = game_board.clone(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solution` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_from_vec` [INFO] [stdout] --> src/game_creator/random_create_game.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn take_from_vec(vector: &mut Vec, rng: &mut R) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_from_vec` [INFO] [stdout] --> src/game_creator/random_create_game.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn take_from_vec(vector: &mut Vec, rng: &mut R) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "8f7d5c2c91508405073ba5f324145ff14fd66054cac828667556c9ebc5703a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f7d5c2c91508405073ba5f324145ff14fd66054cac828667556c9ebc5703a46", kill_on_drop: false }` [INFO] [stdout] 8f7d5c2c91508405073ba5f324145ff14fd66054cac828667556c9ebc5703a46