[INFO] cloning repository https://github.com/daniel-goldstein/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/daniel-goldstein/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63121c61753505c63b1442b1f48e2e2ad16075a1
[INFO] checking daniel-goldstein/advent-of-code-2020 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daniel-goldstein/advent-of-code-2020 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daniel-goldstein/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/daniel-goldstein/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/daniel-goldstein/advent-of-code-2020 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/daniel-goldstein/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca044472db27ea65f9ff50b4129adb2a4701e75cdae4b4feb5dd7381118be7b0
[INFO] running `Command { std: "docker" "start" "-a" "ca044472db27ea65f9ff50b4129adb2a4701e75cdae4b4feb5dd7381118be7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca044472db27ea65f9ff50b4129adb2a4701e75cdae4b4feb5dd7381118be7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca044472db27ea65f9ff50b4129adb2a4701e75cdae4b4feb5dd7381118be7b0", kill_on_drop: false }`
[INFO] [stdout] ca044472db27ea65f9ff50b4129adb2a4701e75cdae4b4feb5dd7381118be7b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e478a83119315a4eecc97fdaa27bc98e339485a291f5fda7453c366436565ca4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e478a83119315a4eecc97fdaa27bc98e339485a291f5fda7453c366436565ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]   --> src/day14.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut memory: HashMap<u64, u64> = HashMap::new();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day14.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut memory: HashMap<u64, u64> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> src/utils.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighboring_seats`
[INFO] [stdout]   --> src/day11.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/day14.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Program = Vec<MaskProcedure>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Mask`
[INFO] [stdout]  --> src/day14.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Mask = Vec<Option<bool>>; // Wear one!
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MaskProcedure`
[INFO] [stdout]  --> src/day14.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MaskProcedure {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day14.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_input() -> Program {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]   --> src/day14.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut memory: HashMap<u64, u64> = HashMap::new();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day14.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut memory: HashMap<u64, u64> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> src/utils.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighboring_seats`
[INFO] [stdout]   --> src/day11.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/day14.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Program = Vec<MaskProcedure>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Mask`
[INFO] [stdout]  --> src/day14.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Mask = Vec<Option<bool>>; // Wear one!
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MaskProcedure`
[INFO] [stdout]  --> src/day14.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MaskProcedure {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day14.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_input() -> Program {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "e478a83119315a4eecc97fdaa27bc98e339485a291f5fda7453c366436565ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e478a83119315a4eecc97fdaa27bc98e339485a291f5fda7453c366436565ca4", kill_on_drop: false }`
[INFO] [stdout] e478a83119315a4eecc97fdaa27bc98e339485a291f5fda7453c366436565ca4