[INFO] cloning repository https://github.com/tirimia/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tirimia/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirimia%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirimia%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ce7af1beba70860f545c5eec3213823fedaeee5
[INFO] checking tirimia/aoc2021 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%2Ftirimia%2Faoc2021" "/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/tirimia/aoc2021
[INFO] finished tweaking git repo https://github.com/tirimia/aoc2021
[INFO] tweaked toml for git repo https://github.com/tirimia/aoc2021 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tirimia/aoc2021 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/tirimia/aoc2021 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] [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1844e3a1fcfd39c46c5ac78d446a35f473e3d39eb3c5b98ddc90ef41d6ca4456
[INFO] running `Command { std: "docker" "start" "-a" "1844e3a1fcfd39c46c5ac78d446a35f473e3d39eb3c5b98ddc90ef41d6ca4456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1844e3a1fcfd39c46c5ac78d446a35f473e3d39eb3c5b98ddc90ef41d6ca4456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1844e3a1fcfd39c46c5ac78d446a35f473e3d39eb3c5b98ddc90ef41d6ca4456", kill_on_drop: false }`
[INFO] [stdout] 1844e3a1fcfd39c46c5ac78d446a35f473e3d39eb3c5b98ddc90ef41d6ca4456
[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 -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] 03a2f12e0de288b1d93f3f72056afea49ab633cb98598704964f5258c49b4a3a
[INFO] running `Command { std: "docker" "start" "-a" "03a2f12e0de288b1d93f3f72056afea49ab633cb98598704964f5258c49b4a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day11/mod.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             s.parse::<String>()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day12/mod.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn find_all_paths(&self, filter: fn(&Cave, &Path) -> bool) -> Vec<Path> {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here               ^^^^ the same lifetime is hidden 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn find_all_paths(&self, filter: fn(&Cave, &Path) -> bool) -> Vec<Path<'_>> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day5/mod.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .filter_map(|s| s.parse::<String>().ok())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day8/mod.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .filter_map(|s| s.parse::<String>().ok())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day8/mod.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |             .map(|sig| sig.parse::<String>().unwrap())
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day8/mod.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |             .map(|sig| sig.parse::<String>().unwrap())
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day9/mod.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |         .filter_map(|s| s.parse::<String>().ok())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2021` (lib) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day11/mod.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             s.parse::<String>()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day12/mod.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn find_all_paths(&self, filter: fn(&Cave, &Path) -> bool) -> Vec<Path> {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here               ^^^^ the same lifetime is hidden 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn find_all_paths(&self, filter: fn(&Cave, &Path) -> bool) -> Vec<Path<'_>> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day5/mod.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .filter_map(|s| s.parse::<String>().ok())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day8/mod.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         .filter_map(|s| s.parse::<String>().ok())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day8/mod.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |             .map(|sig| sig.parse::<String>().unwrap())
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day8/mod.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |             .map(|sig| sig.parse::<String>().unwrap())
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/day9/mod.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |         .filter_map(|s| s.parse::<String>().ok())
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2021` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "03a2f12e0de288b1d93f3f72056afea49ab633cb98598704964f5258c49b4a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a2f12e0de288b1d93f3f72056afea49ab633cb98598704964f5258c49b4a3a", kill_on_drop: false }`
[INFO] [stdout] 03a2f12e0de288b1d93f3f72056afea49ab633cb98598704964f5258c49b4a3a