[INFO] cloning repository https://github.com/LeoTheMighty/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeoTheMighty/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoTheMighty%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoTheMighty%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0139fa1e8c42df2431829f081b4b9198af1c3e
[INFO] checking LeoTheMighty/aoc2021 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoTheMighty%2Faoc2021" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LeoTheMighty/aoc2021
[INFO] finished tweaking git repo https://github.com/LeoTheMighty/aoc2021
[INFO] tweaked toml for git repo https://github.com/LeoTheMighty/aoc2021 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LeoTheMighty/aoc2021 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LeoTheMighty/aoc2021 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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] 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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a62cc2e9172de7a8593c419754cb7940704ac3986721ee1f4c6b5831a23a35c
[INFO] running `Command { std: "docker" "start" "-a" "5a62cc2e9172de7a8593c419754cb7940704ac3986721ee1f4c6b5831a23a35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a62cc2e9172de7a8593c419754cb7940704ac3986721ee1f4c6b5831a23a35c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a62cc2e9172de7a8593c419754cb7940704ac3986721ee1f4c6b5831a23a35c", kill_on_drop: false }`
[INFO] [stdout] 5a62cc2e9172de7a8593c419754cb7940704ac3986721ee1f4c6b5831a23a35c
[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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e490a7abe20f78f0fa88b561c8b8c3c98ccfae352416147c182f30cf6eb2fea4
[INFO] running `Command { std: "docker" "start" "-a" "e490a7abe20f78f0fa88b561c8b8c3c98ccfae352416147c182f30cf6eb2fea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `flash_sum` is assigned to, but never used
[INFO] [stdout]   --> src/day11/solution.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut flash_sum = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_flash_sum` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `solution` is never read
[INFO] [stdout]  --> src/day11/solution.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut solution: String = "".to_owned();
[INFO] [stdout]   |                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `flash_sum` is assigned to, but never used
[INFO] [stdout]   --> src/day11/solution.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut flash_sum = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_flash_sum` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `solution` is never read
[INFO] [stdout]  --> src/day11/solution.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut solution: String = "".to_owned();
[INFO] [stdout]   |                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flash_sum` is never read
[INFO] [stdout]   --> src/day11/solution.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 flash_sum += flash(&mut octopuses, r, c);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flash_sum` is never read
[INFO] [stdout]   --> src/day11/solution.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 flash_sum += flash(&mut octopuses, r, c);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STEPS` is never used
[INFO] [stdout]  --> src/day11/solution.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const STEPS: u32 = 100;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STEPS` is never used
[INFO] [stdout]  --> src/day11/solution.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const STEPS: u32 = 100;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "e490a7abe20f78f0fa88b561c8b8c3c98ccfae352416147c182f30cf6eb2fea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e490a7abe20f78f0fa88b561c8b8c3c98ccfae352416147c182f30cf6eb2fea4", kill_on_drop: false }`
[INFO] [stdout] e490a7abe20f78f0fa88b561c8b8c3c98ccfae352416147c182f30cf6eb2fea4
