[INFO] cloning repository https://github.com/DusterTheFirst/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DusterTheFirst/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDusterTheFirst%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDusterTheFirst%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55663a1d073bef5b6e3b271d393e36de9dbb24a9
[INFO] checking DusterTheFirst/sudoku against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDusterTheFirst%2Fsudoku" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DusterTheFirst/sudoku on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DusterTheFirst/sudoku
[INFO] finished tweaking git repo https://github.com/DusterTheFirst/sudoku
[INFO] tweaked toml for git repo https://github.com/DusterTheFirst/sudoku written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DusterTheFirst/sudoku already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded system-deps v1.3.2
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded serde v1.0.120
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded gio-sys v0.10.1
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded glib-sys v0.10.1
[INFO] [stderr]   Downloaded gobject-sys v0.10.0
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8d5ce62d005dd2d2aabafa3c6f5a50d5f1d330d1adf5c178d841bb0136e42b
[INFO] running `Command { std: "docker" "start" "-a" "8a8d5ce62d005dd2d2aabafa3c6f5a50d5f1d330d1adf5c178d841bb0136e42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8d5ce62d005dd2d2aabafa3c6f5a50d5f1d330d1adf5c178d841bb0136e42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8d5ce62d005dd2d2aabafa3c6f5a50d5f1d330d1adf5c178d841bb0136e42b", kill_on_drop: false }`
[INFO] [stdout] 8a8d5ce62d005dd2d2aabafa3c6f5a50d5f1d330d1adf5c178d841bb0136e42b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40794941e84316f8b5e59ea0bc073df50fdd8b007ef6cd08935fd7a252f1ca7
[INFO] running `Command { std: "docker" "start" "-a" "a40794941e84316f8b5e59ea0bc073df50fdd8b007ef6cd08935fd7a252f1ca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking glib v0.10.3
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{BTreeSet, HashSet}, env::args, fs, sync::{Arc, RwLock}, thread, time::Duration};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{BTreeSet, HashSet}, env::args, fs, sync::{Arc, RwLock}, thread, time::Duration};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `block_status` and `neighbors` are never used
[INFO] [stdout]    --> src/sudoku.rs:73:12
[INFO] [stdout]     |
[INFO] [stdout] 39  | impl Sudoku {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73  |     pub fn block_status(&self, (block_x, block_y): (usize, usize)) -> SolveStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn neighbors(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `block_status` and `neighbors` are never used
[INFO] [stdout]    --> src/sudoku.rs:73:12
[INFO] [stdout]     |
[INFO] [stdout] 39  | impl Sudoku {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73  |     pub fn block_status(&self, (block_x, block_y): (usize, usize)) -> SolveStatus {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn neighbors(
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 57.27s
[INFO] running `Command { std: "docker" "inspect" "a40794941e84316f8b5e59ea0bc073df50fdd8b007ef6cd08935fd7a252f1ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40794941e84316f8b5e59ea0bc073df50fdd8b007ef6cd08935fd7a252f1ca7", kill_on_drop: false }`
[INFO] [stdout] a40794941e84316f8b5e59ea0bc073df50fdd8b007ef6cd08935fd7a252f1ca7
