[INFO] cloning repository https://github.com/mattmoor/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattmoor/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmoor%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmoor%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f11cb91258a930cdff6c253827e4e32727ce839 [INFO] checking mattmoor/sudoku against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmoor%2Fsudoku" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mattmoor/sudoku [INFO] finished tweaking git repo https://github.com/mattmoor/sudoku [INFO] tweaked toml for git repo https://github.com/mattmoor/sudoku written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mattmoor/sudoku on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mattmoor/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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf0ccffab551970fc46bd908c34f6a73492c7b082b53917461c2828b5d5aa507 [INFO] running `Command { std: "docker" "start" "-a" "bf0ccffab551970fc46bd908c34f6a73492c7b082b53917461c2828b5d5aa507", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf0ccffab551970fc46bd908c34f6a73492c7b082b53917461c2828b5d5aa507", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf0ccffab551970fc46bd908c34f6a73492c7b082b53917461c2828b5d5aa507", kill_on_drop: false }` [INFO] [stdout] bf0ccffab551970fc46bd908c34f6a73492c7b082b53917461c2828b5d5aa507 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecde0532e8694c5b7ecf1051d67b806ac49dcb6427a99eb6596d2da21f487bbe [INFO] running `Command { std: "docker" "start" "-a" "ecde0532e8694c5b7ecf1051d67b806ac49dcb6427a99eb6596d2da21f487bbe", kill_on_drop: false }` [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `union` is never used [INFO] [stdout] --> src/game/bitset.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl BitSet { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn union(&self, other: BitSet) -> BitSet { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 244 | fn row(&self, idx: usize) -> views::Row { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 244 | fn row(&self, idx: usize) -> views::Row<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | fn col(&self, idx: usize) -> views::Column { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 248 | fn col(&self, idx: usize) -> views::Column<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:252:18 [INFO] [stdout] | [INFO] [stdout] 252 | fn subsquare(&self, ridx: usize, cidx: usize) -> views::SubSquare { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 252 | fn subsquare(&self, ridx: usize, cidx: usize) -> views::SubSquare<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(b: &super::Board, idx: usize) -> Row { [INFO] [stdout] | ^^^^^^^^^^^^^ --- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(b: &super::Board, idx: usize) -> Row<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:78:23 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn new(b: &super::Board, idx: usize) -> Column { [INFO] [stdout] | ^^^^^^^^^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 78 | pub fn new(b: &super::Board, idx: usize) -> Column<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:111:23 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn new(b: &super::Board, ss_ridx: usize, ss_cidx: usize) -> SubSquare { [INFO] [stdout] | ^^^^^^^^^^^^^ this lifetime flows to the output --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn new(b: &super::Board, ss_ridx: usize, ss_cidx: usize) -> SubSquare<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:244:12 [INFO] [stdout] | [INFO] [stdout] 244 | fn row(&self, idx: usize) -> views::Row { [INFO] [stdout] | ^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 244 | fn row(&self, idx: usize) -> views::Row<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | fn col(&self, idx: usize) -> views::Column { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 248 | fn col(&self, idx: usize) -> views::Column<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:252:18 [INFO] [stdout] | [INFO] [stdout] 252 | fn subsquare(&self, ridx: usize, cidx: usize) -> views::SubSquare { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 252 | fn subsquare(&self, ridx: usize, cidx: usize) -> views::SubSquare<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:46:23 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(b: &super::Board, idx: usize) -> Row { [INFO] [stdout] | ^^^^^^^^^^^^^ --- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(b: &super::Board, idx: usize) -> Row<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:78:23 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn new(b: &super::Board, idx: usize) -> Column { [INFO] [stdout] | ^^^^^^^^^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 78 | pub fn new(b: &super::Board, idx: usize) -> Column<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/game.rs:111:23 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn new(b: &super::Board, ss_ridx: usize, ss_cidx: usize) -> SubSquare { [INFO] [stdout] | ^^^^^^^^^^^^^ this lifetime flows to the output --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn new(b: &super::Board, ss_ridx: usize, ss_cidx: usize) -> SubSquare<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "ecde0532e8694c5b7ecf1051d67b806ac49dcb6427a99eb6596d2da21f487bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecde0532e8694c5b7ecf1051d67b806ac49dcb6427a99eb6596d2da21f487bbe", kill_on_drop: false }` [INFO] [stdout] ecde0532e8694c5b7ecf1051d67b806ac49dcb6427a99eb6596d2da21f487bbe