[INFO] cloning repository https://github.com/meliosu/sudoku-shapes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meliosu/sudoku-shapes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeliosu%2Fsudoku-shapes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeliosu%2Fsudoku-shapes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 336cf7a745892ed35e57f82b17581f1c18260f25
[INFO] checking meliosu/sudoku-shapes against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeliosu%2Fsudoku-shapes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meliosu/sudoku-shapes
[INFO] finished tweaking git repo https://github.com/meliosu/sudoku-shapes
[INFO] tweaked toml for git repo https://github.com/meliosu/sudoku-shapes written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meliosu/sudoku-shapes on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meliosu/sudoku-shapes 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30eeb3666be4813f439cd6a4125d2ad569761db8c05b73891060f53c4be8297d
[INFO] running `Command { std: "docker" "start" "-a" "30eeb3666be4813f439cd6a4125d2ad569761db8c05b73891060f53c4be8297d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30eeb3666be4813f439cd6a4125d2ad569761db8c05b73891060f53c4be8297d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30eeb3666be4813f439cd6a4125d2ad569761db8c05b73891060f53c4be8297d", kill_on_drop: false }`
[INFO] [stdout] 30eeb3666be4813f439cd6a4125d2ad569761db8c05b73891060f53c4be8297d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c9c21a8548731701748eba0ffc7f0263e674413aab325323fbdd61eda0e5ec
[INFO] running `Command { std: "docker" "start" "-a" "c2c9c21a8548731701748eba0ffc7f0263e674413aab325323fbdd61eda0e5ec", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking sudoku-shapes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MoveDown` and `Print`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cursor::{Hide, MoveDown, MoveTo, Show},
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     style::{Color, ContentStyle, Print, PrintStyledContent, StyledContent, Stylize},
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MoveDown` and `Print`
[INFO] [stdout]  --> src/main.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cursor::{Hide, MoveDown, MoveTo, Show},
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     style::{Color, ContentStyle, Print, PrintStyledContent, StyledContent, Stylize},
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `bounds` are never used
[INFO] [stdout]    --> src/main.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | impl Piece {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 176 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn bounds(&self) -> (u16, u16, u16, u16) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `bounds` are never used
[INFO] [stdout]    --> src/main.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | impl Piece {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 176 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn bounds(&self) -> (u16, u16, u16, u16) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]    --> src/main.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | impl Sudoku {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn random() -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]    --> src/main.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | impl Sudoku {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 222 |     fn random() -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "c2c9c21a8548731701748eba0ffc7f0263e674413aab325323fbdd61eda0e5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c9c21a8548731701748eba0ffc7f0263e674413aab325323fbdd61eda0e5ec", kill_on_drop: false }`
[INFO] [stdout] c2c9c21a8548731701748eba0ffc7f0263e674413aab325323fbdd61eda0e5ec