[INFO] cloning repository https://github.com/zeroxoneafour/rust-minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeroxoneafour/rust-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroxoneafour%2Frust-minesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroxoneafour%2Frust-minesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c49b55b4ffa0674f51051f1e984c27a2cfbb566a [INFO] checking zeroxoneafour/rust-minesweeper against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroxoneafour%2Frust-minesweeper" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zeroxoneafour/rust-minesweeper 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/zeroxoneafour/rust-minesweeper [INFO] finished tweaking git repo https://github.com/zeroxoneafour/rust-minesweeper [INFO] tweaked toml for git repo https://github.com/zeroxoneafour/rust-minesweeper written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zeroxoneafour/rust-minesweeper 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e0a8cd00ea1fd35bfe32a5636227deeeed63fb52cf832396f6b6ab70c9e0d912 [INFO] running `Command { std: "docker" "start" "-a" "e0a8cd00ea1fd35bfe32a5636227deeeed63fb52cf832396f6b6ab70c9e0d912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0a8cd00ea1fd35bfe32a5636227deeeed63fb52cf832396f6b6ab70c9e0d912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0a8cd00ea1fd35bfe32a5636227deeeed63fb52cf832396f6b6ab70c9e0d912", kill_on_drop: false }` [INFO] [stdout] e0a8cd00ea1fd35bfe32a5636227deeeed63fb52cf832396f6b6ab70c9e0d912 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a0ad806cc5e6aad5531a7f787c7e817a6ffc9d8f382cf5f40457a51abdc9fe03 [INFO] running `Command { std: "docker" "start" "-a" "a0ad806cc5e6aad5531a7f787c7e817a6ffc9d8f382cf5f40457a51abdc9fe03", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust-minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `event` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | event, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use game::*; [INFO] [stdout] | ------- the item `event` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossterm` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `crossterm` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/game.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `event` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | event, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use game::*; [INFO] [stdout] | ------- the item `event` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossterm` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `crossterm` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/game.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `Command { std: "docker" "inspect" "a0ad806cc5e6aad5531a7f787c7e817a6ffc9d8f382cf5f40457a51abdc9fe03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0ad806cc5e6aad5531a7f787c7e817a6ffc9d8f382cf5f40457a51abdc9fe03", kill_on_drop: false }` [INFO] [stdout] a0ad806cc5e6aad5531a7f787c7e817a6ffc9d8f382cf5f40457a51abdc9fe03 [INFO] checking zeroxoneafour/rust-minesweeper against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroxoneafour%2Frust-minesweeper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zeroxoneafour/rust-minesweeper on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zeroxoneafour/rust-minesweeper [INFO] finished tweaking git repo https://github.com/zeroxoneafour/rust-minesweeper [INFO] tweaked toml for git repo https://github.com/zeroxoneafour/rust-minesweeper written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zeroxoneafour/rust-minesweeper 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3db619e042a1efcdb19571d7756c1e33db28a5d23a0024b6a5b425a15c26236e [INFO] running `Command { std: "docker" "start" "-a" "3db619e042a1efcdb19571d7756c1e33db28a5d23a0024b6a5b425a15c26236e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3db619e042a1efcdb19571d7756c1e33db28a5d23a0024b6a5b425a15c26236e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3db619e042a1efcdb19571d7756c1e33db28a5d23a0024b6a5b425a15c26236e", kill_on_drop: false }` [INFO] [stdout] 3db619e042a1efcdb19571d7756c1e33db28a5d23a0024b6a5b425a15c26236e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a20259d86f9e132662eeb7b72c61b2ed9155a19f85de5bd038f213b1b576c75 [INFO] running `Command { std: "docker" "start" "-a" "9a20259d86f9e132662eeb7b72c61b2ed9155a19f85de5bd038f213b1b576c75", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust-minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `event` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | event, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use game::*; [INFO] [stdout] | ------- the item `event` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossterm` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `crossterm` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/game.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `event` is imported redundantly [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | event, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use game::*; [INFO] [stdout] | ------- the item `event` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossterm` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `crossterm` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/game.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand; [INFO] [stdout] | ^^^^ the item `rand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s [INFO] running `Command { std: "docker" "inspect" "9a20259d86f9e132662eeb7b72c61b2ed9155a19f85de5bd038f213b1b576c75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a20259d86f9e132662eeb7b72c61b2ed9155a19f85de5bd038f213b1b576c75", kill_on_drop: false }` [INFO] [stdout] 9a20259d86f9e132662eeb7b72c61b2ed9155a19f85de5bd038f213b1b576c75