[INFO] cloning repository https://github.com/tialaramex/advent2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tialaramex/advent2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftialaramex%2Fadvent2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftialaramex%2Fadvent2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf3539f90ab8fdfac0c436b0a81988b58ab7036d
[INFO] checking tialaramex/advent2023 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftialaramex%2Fadvent2023" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tialaramex/advent2023
[INFO] finished tweaking git repo https://github.com/tialaramex/advent2023
[INFO] tweaked toml for git repo https://github.com/tialaramex/advent2023 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tialaramex/advent2023 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tialaramex/advent2023 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d9da9fd77575460e7e6552da471f352d0aea6cbbef7e300c51c834bd29786d9
[INFO] running `Command { std: "docker" "start" "-a" "5d9da9fd77575460e7e6552da471f352d0aea6cbbef7e300c51c834bd29786d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d9da9fd77575460e7e6552da471f352d0aea6cbbef7e300c51c834bd29786d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9da9fd77575460e7e6552da471f352d0aea6cbbef7e300c51c834bd29786d9", kill_on_drop: false }`
[INFO] [stdout] 5d9da9fd77575460e7e6552da471f352d0aea6cbbef7e300c51c834bd29786d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccb3a7f3fcb6c39a8180a74204941852abf17bd4d0521091128cf6839706eee
[INFO] running `Command { std: "docker" "start" "-a" "cccb3a7f3fcb6c39a8180a74204941852abf17bd4d0521091128cf6839706eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking sky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:27:52
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lines(&'t self) -> impl Iterator<Item = &str> + 't {
[INFO] [stdout]    |                   --                               ^^^^    -- the same lifetime is named here
[INFO] [stdout]    |                   |                                |
[INFO] [stdout]    |                   the lifetime is named here       the same lifetime is elided 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 `'t`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lines(&'t self) -> impl Iterator<Item = &'t str> + 't {
[INFO] [stdout]    |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn list(&'t self) -> impl Iterator<Item = &str> + 't {
[INFO] [stdout]    |                  --                               ^^^^    -- the same lifetime is named here
[INFO] [stdout]    |                  |                                |
[INFO] [stdout]    |                  the lifetime is named here       the same 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: consistently use `'t`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn list(&'t self) -> impl Iterator<Item = &'t str> + 't {
[INFO] [stdout]    |                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<map::Map<T>, Infallible>
[INFO] [stdout]    --> src/map.rs:276:53
[INFO] [stdout]     |
[INFO] [stdout] 276 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 277 | |         let mut map = Self::rect((0, 0), (0, 0));
[INFO] [stdout] 278 | |         for (row, line) in s.lines().enumerate() {
[INFO] [stdout] 279 | |             for (col, ch) in line.chars().enumerate() {
[INFO] [stdout] ...   |
[INFO] [stdout] 284 | |         Ok(map)
[INFO] [stdout] 285 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<map::Map<T>, Infallible>
[INFO] [stdout]    --> src/map.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Ok(map)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sky` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:27:52
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lines(&'t self) -> impl Iterator<Item = &str> + 't {
[INFO] [stdout]    |                   --                               ^^^^    -- the same lifetime is named here
[INFO] [stdout]    |                   |                                |
[INFO] [stdout]    |                   the lifetime is named here       the same lifetime is elided 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 `'t`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn lines(&'t self) -> impl Iterator<Item = &'t str> + 't {
[INFO] [stdout]    |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn list(&'t self) -> impl Iterator<Item = &str> + 't {
[INFO] [stdout]    |                  --                               ^^^^    -- the same lifetime is named here
[INFO] [stdout]    |                  |                                |
[INFO] [stdout]    |                  the lifetime is named here       the same 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: consistently use `'t`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn list(&'t self) -> impl Iterator<Item = &'t str> + 't {
[INFO] [stdout]    |                                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<map::Map<T>, Infallible>
[INFO] [stdout]    --> src/map.rs:276:53
[INFO] [stdout]     |
[INFO] [stdout] 276 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 277 | |         let mut map = Self::rect((0, 0), (0, 0));
[INFO] [stdout] 278 | |         for (row, line) in s.lines().enumerate() {
[INFO] [stdout] 279 | |             for (col, ch) in line.chars().enumerate() {
[INFO] [stdout] ...   |
[INFO] [stdout] 284 | |         Ok(map)
[INFO] [stdout] 285 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<map::Map<T>, Infallible>
[INFO] [stdout]    --> src/map.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |         Ok(map)
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<map::Map<Maze>, Infallible>
[INFO] [stdout]    --> src/map.rs:321:30
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let map: Map<Maze> = MAZE.parse().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<map::Map<Maze>, Infallible>
[INFO] [stdout]    --> src/map.rs:328:34
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let mut map: Map<Maze> = MAZE.parse().unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sky` (lib test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cccb3a7f3fcb6c39a8180a74204941852abf17bd4d0521091128cf6839706eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccb3a7f3fcb6c39a8180a74204941852abf17bd4d0521091128cf6839706eee", kill_on_drop: false }`
[INFO] [stdout] cccb3a7f3fcb6c39a8180a74204941852abf17bd4d0521091128cf6839706eee
