[INFO] cloning repository https://github.com/thomasmatecki/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomasmatecki/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasmatecki%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasmatecki%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2bc562b4a738d7f853843c5cadccb6a7b4d4aff
[INFO] checking thomasmatecki/advent-of-code-2020 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomasmatecki%2Fadvent-of-code-2020" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomasmatecki/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/thomasmatecki/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/thomasmatecki/advent-of-code-2020 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomasmatecki/advent-of-code-2020 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomasmatecki/advent-of-code-2020 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f
[INFO] running `Command { std: "docker" "start" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aoc_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir/2021)
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir/2020)
[INFO] [stdout] warning: unused imports: `multiply_counts` and `parse_input`
[INFO] [stdout]   --> 2020/src/day10.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |         use crate::day10::{multiply_counts, parse_input};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `calc_arrangements` and `parse_input`
[INFO] [stdout]   --> 2020/src/day10.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 |         use crate::day10::{calc_arrangements, parse_input};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_space` is never used
[INFO] [stdout]   --> 2020/src/day17.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<const N: usize> DimensionIter<N> {
[INFO] [stdout]    | ------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn from_space(space: &HashSet<[i32; N]>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u32`
[INFO] [stdout]   --> 2020/src/day5.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     return max.unwrap().into();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 21 -     return max.unwrap().into();
[INFO] [stdout] 21 +     return max.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 21 -     return max.unwrap().into();
[INFO] [stdout] 21 +     return <u32 as Into<_>>::into(max.unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2020` (bin "advent-of-code-2020") due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function `from_space` is never used
[INFO] [stdout]   --> 2020/src/day17.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<const N: usize> DimensionIter<N> {
[INFO] [stdout]    | ------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn from_space(space: &HashSet<[i32; N]>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u32`
[INFO] [stdout]   --> 2020/src/day5.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     return max.unwrap().into();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 21 -     return max.unwrap().into();
[INFO] [stdout] 21 +     return max.unwrap();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 21 -     return max.unwrap().into();
[INFO] [stdout] 21 +     return <u32 as Into<_>>::into(max.unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2020` (bin "advent-of-code-2020" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f", kill_on_drop: false }`
[INFO] [stdout] 6dce385a84e747b7d9a3f808bcc3c67cbbaaf7111753fb01c044025d5c4e417f
