[INFO] cloning repository https://github.com/mvolfik/aoc-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvolfik/aoc-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolfik%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolfik%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 129ee4d556d211968e078a8ec3f8d72d6134615b
[INFO] checking mvolfik/aoc-2021 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolfik%2Faoc-2021" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mvolfik/aoc-2021 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mvolfik/aoc-2021
[INFO] finished tweaking git repo https://github.com/mvolfik/aoc-2021
[INFO] tweaked toml for git repo https://github.com/mvolfik/aoc-2021 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mvolfik/aoc-2021 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368ea262b3b1b339c1c7546eac925cf93943a04bedd49092c6fd363200b41b69
[INFO] running `Command { std: "docker" "start" "-a" "368ea262b3b1b339c1c7546eac925cf93943a04bedd49092c6fd363200b41b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368ea262b3b1b339c1c7546eac925cf93943a04bedd49092c6fd363200b41b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368ea262b3b1b339c1c7546eac925cf93943a04bedd49092c6fd363200b41b69", kill_on_drop: false }`
[INFO] [stdout] 368ea262b3b1b339c1c7546eac925cf93943a04bedd49092c6fd363200b41b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c0507e59ee2f6bf0d3781fdb26ab6c5f00876a5c64f21a63ccf53ae0f2524c2
[INFO] running `Command { std: "docker" "start" "-a" "7c0507e59ee2f6bf0d3781fdb26ab6c5f00876a5c64f21a63ccf53ae0f2524c2", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_rolls_number` is never used
[INFO] [stdout]   --> src/day21.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait Die {
[INFO] [stdout]    |       --- method in this trait
[INFO] [stdout] 32 |     fn roll(&mut self) -> u16;
[INFO] [stdout] 33 |     fn get_rolls_number(&self) -> u16;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_rolls_number` is never used
[INFO] [stdout]   --> src/day21.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait Die {
[INFO] [stdout]    |       --- method in this trait
[INFO] [stdout] 32 |     fn roll(&mut self) -> u16;
[INFO] [stdout] 33 |     fn get_rolls_number(&self) -> u16;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "7c0507e59ee2f6bf0d3781fdb26ab6c5f00876a5c64f21a63ccf53ae0f2524c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0507e59ee2f6bf0d3781fdb26ab6c5f00876a5c64f21a63ccf53ae0f2524c2", kill_on_drop: false }`
[INFO] [stdout] 7c0507e59ee2f6bf0d3781fdb26ab6c5f00876a5c64f21a63ccf53ae0f2524c2
[INFO] checking mvolfik/aoc-2021 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvolfik%2Faoc-2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mvolfik/aoc-2021 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mvolfik/aoc-2021
[INFO] finished tweaking git repo https://github.com/mvolfik/aoc-2021
[INFO] tweaked toml for git repo https://github.com/mvolfik/aoc-2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mvolfik/aoc-2021 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7c822cb6bd9378186a1a12d070ae6463e8b37e980bb078afca0a399212a42e
[INFO] running `Command { std: "docker" "start" "-a" "4a7c822cb6bd9378186a1a12d070ae6463e8b37e980bb078afca0a399212a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7c822cb6bd9378186a1a12d070ae6463e8b37e980bb078afca0a399212a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7c822cb6bd9378186a1a12d070ae6463e8b37e980bb078afca0a399212a42e", kill_on_drop: false }`
[INFO] [stdout] 4a7c822cb6bd9378186a1a12d070ae6463e8b37e980bb078afca0a399212a42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cb20859b757cc9728c9c4d48b559bd7c57e7fcd38bc33fd9efbcbff6878a0b0
[INFO] running `Command { std: "docker" "start" "-a" "4cb20859b757cc9728c9c4d48b559bd7c57e7fcd38bc33fd9efbcbff6878a0b0", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc_2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_rolls_number` is never used
[INFO] [stdout]   --> src/day21.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait Die {
[INFO] [stdout]    |       --- method in this trait
[INFO] [stdout] 32 |     fn roll(&mut self) -> u16;
[INFO] [stdout] 33 |     fn get_rolls_number(&self) -> u16;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_rolls_number` is never used
[INFO] [stdout]   --> src/day21.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait Die {
[INFO] [stdout]    |       --- method in this trait
[INFO] [stdout] 32 |     fn roll(&mut self) -> u16;
[INFO] [stdout] 33 |     fn get_rolls_number(&self) -> u16;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]  --> src/day18.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|l| match SnailNum::parse(&mut l.chars()) {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]   = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]  --> src/day18.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |         .map(|l| match SnailNum::parse(&mut l.chars()) {
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this changes meaning in Rust 2024
[INFO] [stdout]   = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]   = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2021` (bin "aoc_2021") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `aoc_2021` (bin "aoc_2021" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4cb20859b757cc9728c9c4d48b559bd7c57e7fcd38bc33fd9efbcbff6878a0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb20859b757cc9728c9c4d48b559bd7c57e7fcd38bc33fd9efbcbff6878a0b0", kill_on_drop: false }`
[INFO] [stdout] 4cb20859b757cc9728c9c4d48b559bd7c57e7fcd38bc33fd9efbcbff6878a0b0