[INFO] cloning repository https://github.com/grkuntzmd/rust-sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grkuntzmd/rust-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrkuntzmd%2Frust-sudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrkuntzmd%2Frust-sudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d7816f6f254b7f1be45dee2026a79e57a7ee373b [INFO] checking grkuntzmd/rust-sudoku against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrkuntzmd%2Frust-sudoku" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/grkuntzmd/rust-sudoku [INFO] finished tweaking git repo https://github.com/grkuntzmd/rust-sudoku [INFO] tweaked toml for git repo https://github.com/grkuntzmd/rust-sudoku written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/grkuntzmd/rust-sudoku on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/grkuntzmd/rust-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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 191dd686a34e53cab757178575d33dd034f5e4bf63becaa68b4236513046191b [INFO] running `Command { std: "docker" "start" "-a" "191dd686a34e53cab757178575d33dd034f5e4bf63becaa68b4236513046191b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "191dd686a34e53cab757178575d33dd034f5e4bf63becaa68b4236513046191b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "191dd686a34e53cab757178575d33dd034f5e4bf63becaa68b4236513046191b", kill_on_drop: false }` [INFO] [stdout] 191dd686a34e53cab757178575d33dd034f5e4bf63becaa68b4236513046191b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79a10ca698b8d1c0c4482bbb9a266d0a7a16046e47f145ac0963ac3f7fbeaf02 [INFO] running `Command { std: "docker" "start" "-a" "79a10ca698b8d1c0c4482bbb9a266d0a7a16046e47f145ac0963ac3f7fbeaf02", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Checking atoi v0.3.2 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Compiling sudoku v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/solver/mod.rs:548:42 [INFO] [stdout] | [INFO] [stdout] 548 | fn index<'a>(&'a self, p: &Point) -> &Cell { [INFO] [stdout] | -- ^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 548 | fn index<'a>(&'a self, p: &Point) -> &'a Cell { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/solver/mod.rs:554:50 [INFO] [stdout] | [INFO] [stdout] 554 | fn index_mut<'a>(&'a mut self, p: &Point) -> &mut Cell { [INFO] [stdout] | -- ^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 554 | fn index_mut<'a>(&'a mut self, p: &Point) -> &'a mut Cell { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/solver/mod.rs:548:42 [INFO] [stdout] | [INFO] [stdout] 548 | fn index<'a>(&'a self, p: &Point) -> &Cell { [INFO] [stdout] | -- ^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 548 | fn index<'a>(&'a self, p: &Point) -> &'a Cell { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/solver/mod.rs:554:50 [INFO] [stdout] | [INFO] [stdout] 554 | fn index_mut<'a>(&'a mut self, p: &Point) -> &mut Cell { [INFO] [stdout] | -- ^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 554 | fn index_mut<'a>(&'a mut self, p: &Point) -> &'a mut Cell { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s [INFO] running `Command { std: "docker" "inspect" "79a10ca698b8d1c0c4482bbb9a266d0a7a16046e47f145ac0963ac3f7fbeaf02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79a10ca698b8d1c0c4482bbb9a266d0a7a16046e47f145ac0963ac3f7fbeaf02", kill_on_drop: false }` [INFO] [stdout] 79a10ca698b8d1c0c4482bbb9a266d0a7a16046e47f145ac0963ac3f7fbeaf02