[INFO] cloning repository https://github.com/simpuid/rusty-advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simpuid/rusty-advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpuid%2Frusty-advent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpuid%2Frusty-advent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c12eaf0c0e22c659311490e4c5ddea039355aab0
[INFO] checking simpuid/rusty-advent-of-code against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpuid%2Frusty-advent-of-code" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simpuid/rusty-advent-of-code on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simpuid/rusty-advent-of-code
[INFO] finished tweaking git repo https://github.com/simpuid/rusty-advent-of-code
[INFO] tweaked toml for git repo https://github.com/simpuid/rusty-advent-of-code written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simpuid/rusty-advent-of-code 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 816613a9617e1ca73698556ca5db839b7e91d6bc7e4c93dd49317a7fb40b1f6a
[INFO] running `Command { std: "docker" "start" "-a" "816613a9617e1ca73698556ca5db839b7e91d6bc7e4c93dd49317a7fb40b1f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "816613a9617e1ca73698556ca5db839b7e91d6bc7e4c93dd49317a7fb40b1f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816613a9617e1ca73698556ca5db839b7e91d6bc7e4c93dd49317a7fb40b1f6a", kill_on_drop: false }`
[INFO] [stdout] 816613a9617e1ca73698556ca5db839b7e91d6bc7e4c93dd49317a7fb40b1f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b6f6e69655ca1e5b7a9f18706ab6a1b942c505ae554085ab65a35040031507
[INFO] running `Command { std: "docker" "start" "-a" "33b6f6e69655ca1e5b7a9f18706ab6a1b942c505ae554085ab65a35040031507", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `height` and `visited` are never read
[INFO] [stdout]   --> src/bin/problem18.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Maze {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 16 |     width: usize,
[INFO] [stdout] 17 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     data: Vec<Cell>,
[INFO] [stdout] 19 |     visited: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Maze` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `height` and `visited` are never read
[INFO] [stdout]   --> src/bin/problem18.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Maze {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 16 |     width: usize,
[INFO] [stdout] 17 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     data: Vec<Cell>,
[INFO] [stdout] 19 |     visited: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Maze` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "33b6f6e69655ca1e5b7a9f18706ab6a1b942c505ae554085ab65a35040031507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b6f6e69655ca1e5b7a9f18706ab6a1b942c505ae554085ab65a35040031507", kill_on_drop: false }`
[INFO] [stdout] 33b6f6e69655ca1e5b7a9f18706ab6a1b942c505ae554085ab65a35040031507
[INFO] checking simpuid/rusty-advent-of-code against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimpuid%2Frusty-advent-of-code" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simpuid/rusty-advent-of-code on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simpuid/rusty-advent-of-code
[INFO] finished tweaking git repo https://github.com/simpuid/rusty-advent-of-code
[INFO] tweaked toml for git repo https://github.com/simpuid/rusty-advent-of-code written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/simpuid/rusty-advent-of-code 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd4f9946de1f9541ef026637ac917dae1aac9ff30460e086f340dad2c9e148cb
[INFO] running `Command { std: "docker" "start" "-a" "cd4f9946de1f9541ef026637ac917dae1aac9ff30460e086f340dad2c9e148cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4f9946de1f9541ef026637ac917dae1aac9ff30460e086f340dad2c9e148cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4f9946de1f9541ef026637ac917dae1aac9ff30460e086f340dad2c9e148cb", kill_on_drop: false }`
[INFO] [stdout] cd4f9946de1f9541ef026637ac917dae1aac9ff30460e086f340dad2c9e148cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] becf20a702805fd8b2dbf96ec661342d439f1fe06e26b77f33efe0c1d4cddb9b
[INFO] running `Command { std: "docker" "start" "-a" "becf20a702805fd8b2dbf96ec661342d439f1fe06e26b77f33efe0c1d4cddb9b", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/bin/problem20.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         for (mut other_off, mut tile_off) in checks.iter() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/bin/problem20.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         for (mut other_off, mut tile_off) in checks.iter() {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^
[INFO] [stdout]    = note: requested on the command line with `-D dereferencing-mut-binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: dereferencing `mut` binding
[INFO] [stdout]   --> src/bin/problem20.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         for (mut other_off, mut tile_off) in checks.iter() {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^ `mut` dereferences the type of this binding
[INFO] [stdout]    |
[INFO] [stdout] help: this will change in edition 2024
[INFO] [stdout]   --> src/bin/problem20.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |                         for (mut other_off, mut tile_off) in checks.iter() {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` (bin "problem20") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `height` and `visited` are never read
[INFO] [stdout]   --> src/bin/problem18.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Maze {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 16 |     width: usize,
[INFO] [stdout] 17 |     height: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     data: Vec<Cell>,
[INFO] [stdout] 19 |     visited: Vec<bool>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Maze` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "becf20a702805fd8b2dbf96ec661342d439f1fe06e26b77f33efe0c1d4cddb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becf20a702805fd8b2dbf96ec661342d439f1fe06e26b77f33efe0c1d4cddb9b", kill_on_drop: false }`
[INFO] [stdout] becf20a702805fd8b2dbf96ec661342d439f1fe06e26b77f33efe0c1d4cddb9b