[INFO] cloning repository https://github.com/thenixan/aoc-2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thenixan/aoc-2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthenixan%2Faoc-2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthenixan%2Faoc-2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b238207f2a332c2a6fea7823ffe65f2f4554432f
[INFO] testing thenixan/aoc-2016 against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthenixan%2Faoc-2016" "/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/thenixan/aoc-2016
[INFO] finished tweaking git repo https://github.com/thenixan/aoc-2016
[INFO] tweaked toml for git repo https://github.com/thenixan/aoc-2016 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thenixan/aoc-2016 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thenixan/aoc-2016 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing thenixan/aoc-2016 against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthenixan%2Faoc-2016" "/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/thenixan/aoc-2016
[INFO] finished tweaking git repo https://github.com/thenixan/aoc-2016
[INFO] tweaked toml for git repo https://github.com/thenixan/aoc-2016 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thenixan/aoc-2016 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thenixan/aoc-2016 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iterslide v1.0.1
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2b689a09deb501b3bcabe5dc5d34a7e2f632be401c73366b32345e2d4cf752
[INFO] running `Command { std: "docker" "start" "-a" "ac2b689a09deb501b3bcabe5dc5d34a7e2f632be401c73366b32345e2d4cf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2b689a09deb501b3bcabe5dc5d34a7e2f632be401c73366b32345e2d4cf752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2b689a09deb501b3bcabe5dc5d34a7e2f632be401c73366b32345e2d4cf752", kill_on_drop: false }`
[INFO] [stdout] ac2b689a09deb501b3bcabe5dc5d34a7e2f632be401c73366b32345e2d4cf752
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8181a4a4526af62244206fdc8b783564a629641ba56874a70a2331a86513cd84
[INFO] running `Command { std: "docker" "start" "-a" "8181a4a4526af62244206fdc8b783564a629641ba56874a70a2331a86513cd84", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterslide v1.0.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling aoc-2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `empty_pos`
[INFO] [stdout]   --> src/task_22.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let (empty_pos, empty_meta) = self.empty();
[INFO] [stdout]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Output` is never constructed
[INFO] [stdout]   --> src/task_10.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Output {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_compressed` is never used
[INFO] [stdout]   --> src/task_9.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_compressed(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decompressable` is never used
[INFO] [stdout]    --> src/task_9.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | trait Compressed {
[INFO] [stdout]     |       ---------- method in this trait
[INFO] [stdout] 103 |     type Into;
[INFO] [stdout] 104 |     fn decompressable(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_10.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn work(&self) -> FactoryIterator {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn work(&self) -> FactoryIterator<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_12.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn run(&self) -> ProgramExecution {
[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] 13 |     fn run(&self) -> ProgramExecution<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_12.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn run_with_values(&self, a: i32, b: i32, c: i32, d: i32) -> ProgramExecution {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn run_with_values(&self, a: i32, b: i32, c: i32, d: i32) -> ProgramExecution<'_> {
[INFO] [stdout]    |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_14.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn generator(&self) -> PasswordGeneratorIterator {
[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] 29 |     fn generator(&self) -> PasswordGeneratorIterator<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_5.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn iter(&self) -> DoorIdIterator {
[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] 17 |     fn iter(&self) -> DoorIdIterator<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_9.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn decompress(&self) -> Decompressed<A>;
[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] 137 |     fn decompress(&self) -> Decompressed<'_, A>;
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_9.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn decompress(&self) -> Decompressed<Self> {
[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] 141 |     fn decompress(&self) -> Decompressed<'_, Self> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_9.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn decompress(&self) -> Decompressed<Self> {
[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] 147 |     fn decompress(&self) -> Decompressed<'_, Self> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "8181a4a4526af62244206fdc8b783564a629641ba56874a70a2331a86513cd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8181a4a4526af62244206fdc8b783564a629641ba56874a70a2331a86513cd84", kill_on_drop: false }`
[INFO] [stdout] 8181a4a4526af62244206fdc8b783564a629641ba56874a70a2331a86513cd84
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675964ebbde5dfec9c6365ecc3f40afc5e56ed496cc37375ce561c6e40597b92
[INFO] running `Command { std: "docker" "start" "-a" "675964ebbde5dfec9c6365ecc3f40afc5e56ed496cc37375ce561c6e40597b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc-2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `empty_pos`
[INFO] [stdout]   --> src/task_22.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let (empty_pos, empty_meta) = self.empty();
[INFO] [stdout]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Output` is never constructed
[INFO] [stdout]   --> src/task_10.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Output {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_compressed` is never used
[INFO] [stdout]   --> src/task_9.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_compressed(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `decompressable` is never used
[INFO] [stdout]    --> src/task_9.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | trait Compressed {
[INFO] [stdout]     |       ---------- method in this trait
[INFO] [stdout] 103 |     type Into;
[INFO] [stdout] 104 |     fn decompressable(&self) -> bool;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_10.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn work(&self) -> FactoryIterator {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn work(&self) -> FactoryIterator<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_12.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn run(&self) -> ProgramExecution {
[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] 13 |     fn run(&self) -> ProgramExecution<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_12.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn run_with_values(&self, a: i32, b: i32, c: i32, d: i32) -> ProgramExecution {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn run_with_values(&self, a: i32, b: i32, c: i32, d: i32) -> ProgramExecution<'_> {
[INFO] [stdout]    |                                                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_14.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn generator(&self) -> PasswordGeneratorIterator {
[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] 29 |     fn generator(&self) -> PasswordGeneratorIterator<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/task_5.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn iter(&self) -> DoorIdIterator {
[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] 17 |     fn iter(&self) -> DoorIdIterator<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_9.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn decompress(&self) -> Decompressed<A>;
[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] 137 |     fn decompress(&self) -> Decompressed<'_, A>;
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_9.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn decompress(&self) -> Decompressed<Self> {
[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] 141 |     fn decompress(&self) -> Decompressed<'_, Self> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/task_9.rs:147:19
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn decompress(&self) -> Decompressed<Self> {
[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] 147 |     fn decompress(&self) -> Decompressed<'_, Self> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "675964ebbde5dfec9c6365ecc3f40afc5e56ed496cc37375ce561c6e40597b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675964ebbde5dfec9c6365ecc3f40afc5e56ed496cc37375ce561c6e40597b92", kill_on_drop: false }`
[INFO] [stdout] 675964ebbde5dfec9c6365ecc3f40afc5e56ed496cc37375ce561c6e40597b92
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91eb2731c9b08e783fd7018663b2928b908f4256ebd29a3723bbbc664f2ac6aa
[INFO] running `Command { std: "docker" "start" "-a" "91eb2731c9b08e783fd7018663b2928b908f4256ebd29a3723bbbc664f2ac6aa", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `empty_pos`
[INFO] [stderr]   --> src/task_22.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let (empty_pos, empty_meta) = self.empty();
[INFO] [stderr]    |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_empty_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Output` is never constructed
[INFO] [stderr]   --> src/task_10.rs:36:8
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct Output {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_compressed` is never used
[INFO] [stderr]   --> src/task_9.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 78 | impl Chunk {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 91 |     fn is_compressed(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `decompressable` is never used
[INFO] [stderr]    --> src/task_9.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | trait Compressed {
[INFO] [stderr]     |       ---------- method in this trait
[INFO] [stderr] 103 |     type Into;
[INFO] [stderr] 104 |     fn decompressable(&self) -> bool;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/task_10.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn work(&self) -> FactoryIterator {
[INFO] [stderr]     |             ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |             |
[INFO] [stderr]     |             the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn work(&self) -> FactoryIterator<'_> {
[INFO] [stderr]     |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/task_12.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn run(&self) -> ProgramExecution {
[INFO] [stderr]    |            ^^^^^     ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |            |
[INFO] [stderr]    |            the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn run(&self) -> ProgramExecution<'_> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/task_12.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn run_with_values(&self, a: i32, b: i32, c: i32, d: i32) -> ProgramExecution {
[INFO] [stderr]    |                        ^^^^^ the lifetime is elided here         ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn run_with_values(&self, a: i32, b: i32, c: i32, d: i32) -> ProgramExecution<'_> {
[INFO] [stderr]    |                                                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/task_14.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn generator(&self) -> PasswordGeneratorIterator {
[INFO] [stderr]    |                  ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn generator(&self) -> PasswordGeneratorIterator<'_> {
[INFO] [stderr]    |                                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/task_5.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn iter(&self) -> DoorIdIterator {
[INFO] [stderr]    |             ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn iter(&self) -> DoorIdIterator<'_> {
[INFO] [stderr]    |                                     ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/task_9.rs:137:19
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn decompress(&self) -> Decompressed<A>;
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn decompress(&self) -> Decompressed<'_, A>;
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/task_9.rs:141:19
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn decompress(&self) -> Decompressed<Self> {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn decompress(&self) -> Decompressed<'_, Self> {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/task_9.rs:147:19
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn decompress(&self) -> Decompressed<Self> {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn decompress(&self) -> Decompressed<'_, Self> {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc-2016` (bin "aoc-2016" test) generated 12 warnings (run `cargo fix --bin "aoc-2016" -p aoc-2016 --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aoc_2016-32921ab90c9a626a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91eb2731c9b08e783fd7018663b2928b908f4256ebd29a3723bbbc664f2ac6aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91eb2731c9b08e783fd7018663b2928b908f4256ebd29a3723bbbc664f2ac6aa", kill_on_drop: false }`
[INFO] [stdout] 91eb2731c9b08e783fd7018663b2928b908f4256ebd29a3723bbbc664f2ac6aa
