[INFO] cloning repository https://github.com/kinn00kinn/Minesweeper_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kinn00kinn/Minesweeper_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinn00kinn%2FMinesweeper_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinn00kinn%2FMinesweeper_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06fa0f379192827add132f3ed914524e5c51e131 [INFO] checking kinn00kinn/Minesweeper_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkinn00kinn%2FMinesweeper_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kinn00kinn/Minesweeper_rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kinn00kinn/Minesweeper_rust [INFO] finished tweaking git repo https://github.com/kinn00kinn/Minesweeper_rust [INFO] tweaked toml for git repo https://github.com/kinn00kinn/Minesweeper_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kinn00kinn/Minesweeper_rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 15d77c551ae46ddffe8209fb9b8b8b943f173e906bda076de7ae9af8d55d3ae1 [INFO] running `Command { std: "docker" "start" "-a" "15d77c551ae46ddffe8209fb9b8b8b943f173e906bda076de7ae9af8d55d3ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15d77c551ae46ddffe8209fb9b8b8b943f173e906bda076de7ae9af8d55d3ae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15d77c551ae46ddffe8209fb9b8b8b943f173e906bda076de7ae9af8d55d3ae1", kill_on_drop: false }` [INFO] [stdout] 15d77c551ae46ddffe8209fb9b8b8b943f173e906bda076de7ae9af8d55d3ae1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b7dd258463bb8f8a1989b8d7ce126b74b8d3168634af57a30cebb441a703f2d [INFO] running `Command { std: "docker" "start" "-a" "2b7dd258463bb8f8a1989b8d7ce126b74b8d3168634af57a30cebb441a703f2d", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking crossterm v0.20.0 [INFO] [stderr] Checking rust_train v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/main.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | offset = (offset + 1) % 4; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `H` should have a snake case name [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | H: usize, [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `W` should have a snake case name [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | W: usize, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `V` should have a snake case name [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | V: Vec>, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `S` should have a snake case name [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | S: Vec>, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/main.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(H: usize, W: usize) -> Board { [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `W` should have a snake case name [INFO] [stdout] --> src/main.rs:13:22 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(H: usize, W: usize) -> Board { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `offset` is never read [INFO] [stdout] --> src/main.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | offset = (offset + 1) % 4; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `H` should have a snake case name [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | H: usize, [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `W` should have a snake case name [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | W: usize, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `V` should have a snake case name [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | V: Vec>, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `S` should have a snake case name [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | S: Vec>, [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `H` should have a snake case name [INFO] [stdout] --> src/main.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(H: usize, W: usize) -> Board { [INFO] [stdout] | ^ help: convert the identifier to snake case: `h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `W` should have a snake case name [INFO] [stdout] --> src/main.rs:13:22 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(H: usize, W: usize) -> Board { [INFO] [stdout] | ^ help: convert the identifier to snake case (notice the capitalization): `w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s [INFO] running `Command { std: "docker" "inspect" "2b7dd258463bb8f8a1989b8d7ce126b74b8d3168634af57a30cebb441a703f2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b7dd258463bb8f8a1989b8d7ce126b74b8d3168634af57a30cebb441a703f2d", kill_on_drop: false }` [INFO] [stdout] 2b7dd258463bb8f8a1989b8d7ce126b74b8d3168634af57a30cebb441a703f2d