[INFO] cloning repository https://github.com/swizzard/rust-mazes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swizzard/rust-mazes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswizzard%2Frust-mazes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswizzard%2Frust-mazes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 46d2f9f69c6ba91b75dab043e72d95d8953a9c8c [INFO] checking swizzard/rust-mazes against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswizzard%2Frust-mazes" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/swizzard/rust-mazes [INFO] finished tweaking git repo https://github.com/swizzard/rust-mazes [INFO] tweaked toml for git repo https://github.com/swizzard/rust-mazes written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/swizzard/rust-mazes on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/swizzard/rust-mazes 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [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-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f486bd8164466c708aaca4e6b63b13d09a0f9e719a5c75e9abb41602f10bf1b [INFO] running `Command { std: "docker" "start" "-a" "3f486bd8164466c708aaca4e6b63b13d09a0f9e719a5c75e9abb41602f10bf1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f486bd8164466c708aaca4e6b63b13d09a0f9e719a5c75e9abb41602f10bf1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f486bd8164466c708aaca4e6b63b13d09a0f9e719a5c75e9abb41602f10bf1b", kill_on_drop: false }` [INFO] [stdout] 3f486bd8164466c708aaca4e6b63b13d09a0f9e719a5c75e9abb41602f10bf1b [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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa9bc39afbba99c8df8dc96bcfb3ccd47f54b9b7124d06acf9e767c059e6b9cf [INFO] running `Command { std: "docker" "start" "-a" "aa9bc39afbba99c8df8dc96bcfb3ccd47f54b9b7124d06acf9e767c059e6b9cf", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.29 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking mazes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:15:31 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(maze: &'a Maze) -> EachRow { [INFO] [stdout] | -- ^^^^^^^ the same lifetime is hidden 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] 15 | fn new(maze: &'a Maze) -> EachRow<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:50:31 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(maze: &'a Maze) -> EachCol { [INFO] [stdout] | -- ^^^^^^^ the same lifetime is hidden 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] 50 | fn new(maze: &'a Maze) -> EachCol<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:86:31 [INFO] [stdout] | [INFO] [stdout] 86 | fn new(maze: &'a Maze) -> EachCell { [INFO] [stdout] | -- ^^^^^^^^ the same lifetime is hidden 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] 86 | fn new(maze: &'a Maze) -> EachCell<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:128:35 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn new(maze: &'a Maze) -> RandCell { [INFO] [stdout] | -- ^^^^^^^^ the same lifetime is hidden 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] 128 | pub fn new(maze: &'a Maze) -> RandCell<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:197:26 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn each_row_iter(&self) -> EachRow { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 197 | pub fn each_row_iter(&self) -> EachRow<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:201:26 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn each_col_iter(&self) -> EachCol { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 201 | pub fn each_col_iter(&self) -> EachCol<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:205:27 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn each_cell_iter(&self) -> EachCell { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 205 | pub fn each_cell_iter(&self) -> EachCell<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:209:27 [INFO] [stdout] | [INFO] [stdout] 209 | pub fn rand_cell_iter(&self) -> RandCell { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 209 | pub fn rand_cell_iter(&self) -> RandCell<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/maze.rs:302:21 [INFO] [stdout] | [INFO] [stdout] 302 | assert!(c.loc.column >= 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/maze.rs:304:21 [INFO] [stdout] | [INFO] [stdout] 304 | assert!(c.loc.column >= 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:15:31 [INFO] [stdout] | [INFO] [stdout] 15 | fn new(maze: &'a Maze) -> EachRow { [INFO] [stdout] | -- ^^^^^^^ the same lifetime is hidden 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] 15 | fn new(maze: &'a Maze) -> EachRow<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:50:31 [INFO] [stdout] | [INFO] [stdout] 50 | fn new(maze: &'a Maze) -> EachCol { [INFO] [stdout] | -- ^^^^^^^ the same lifetime is hidden 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] 50 | fn new(maze: &'a Maze) -> EachCol<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:86:31 [INFO] [stdout] | [INFO] [stdout] 86 | fn new(maze: &'a Maze) -> EachCell { [INFO] [stdout] | -- ^^^^^^^^ the same lifetime is hidden 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] 86 | fn new(maze: &'a Maze) -> EachCell<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/maze.rs:128:35 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn new(maze: &'a Maze) -> RandCell { [INFO] [stdout] | -- ^^^^^^^^ the same lifetime is hidden 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] 128 | pub fn new(maze: &'a Maze) -> RandCell<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:197:26 [INFO] [stdout] | [INFO] [stdout] 197 | pub fn each_row_iter(&self) -> EachRow { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 197 | pub fn each_row_iter(&self) -> EachRow<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:201:26 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn each_col_iter(&self) -> EachCol { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 201 | pub fn each_col_iter(&self) -> EachCol<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:205:27 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn each_cell_iter(&self) -> EachCell { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 205 | pub fn each_cell_iter(&self) -> EachCell<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/maze.rs:209:27 [INFO] [stdout] | [INFO] [stdout] 209 | pub fn rand_cell_iter(&self) -> RandCell { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 209 | pub fn rand_cell_iter(&self) -> RandCell<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "aa9bc39afbba99c8df8dc96bcfb3ccd47f54b9b7124d06acf9e767c059e6b9cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa9bc39afbba99c8df8dc96bcfb3ccd47f54b9b7124d06acf9e767c059e6b9cf", kill_on_drop: false }` [INFO] [stdout] aa9bc39afbba99c8df8dc96bcfb3ccd47f54b9b7124d06acf9e767c059e6b9cf