[INFO] cloning repository https://github.com/ddrcoder/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddrcoder/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddrcoder%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddrcoder%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e41fdcd2c9e96acaa816762555ea71c7ed101d42
[INFO] checking ddrcoder/aoc2020 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddrcoder%2Faoc2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ddrcoder/aoc2020 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ddrcoder/aoc2020
[INFO] finished tweaking git repo https://github.com/ddrcoder/aoc2020
[INFO] tweaked toml for git repo https://github.com/ddrcoder/aoc2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ddrcoder/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbd31554c3f8a73d5a19d34699b06d3ec72fb9da1a2518217c0543d6c16ad869
[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" "fbd31554c3f8a73d5a19d34699b06d3ec72fb9da1a2518217c0543d6c16ad869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd31554c3f8a73d5a19d34699b06d3ec72fb9da1a2518217c0543d6c16ad869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd31554c3f8a73d5a19d34699b06d3ec72fb9da1a2518217c0543d6c16ad869", kill_on_drop: false }`
[INFO] [stdout] fbd31554c3f8a73d5a19d34699b06d3ec72fb9da1a2518217c0543d6c16ad869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 52d1c5c3070a1e68823a0c344a132299c59e6ea494ea283379976bd5d2cceef2
[INFO] running `Command { std: "docker" "start" "-a" "52d1c5c3070a1e68823a0c344a132299c59e6ea494ea283379976bd5d2cceef2", 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 scan_fmt v0.2.5
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:587:6
[INFO] [stdout]     |
[INFO] [stdout] 587 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/main.rs:1066:6
[INFO] [stdout]      |
[INFO] [stdout] 1066 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:587:6
[INFO] [stdout]     |
[INFO] [stdout] 587 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/main.rs:1066:6
[INFO] [stdout]      |
[INFO] [stdout] 1066 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gold`
[INFO] [stdout]     --> src/main.rs:1382:10
[INFO] [stdout]      |
[INFO] [stdout] 1382 | fn day22(gold: bool) -> usize {
[INFO] [stdout]      |          ^^^^ help: if this is intentional, prefix it with an underscore: `_gold`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]     --> src/main.rs:1396:9
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     for turn in 1..=turns {
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/main.rs:1472:13
[INFO] [stdout]      |
[INFO] [stdout] 1472 |         for t in 0..100 {
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gold`
[INFO] [stdout]     --> src/main.rs:1382:10
[INFO] [stdout]      |
[INFO] [stdout] 1382 | fn day22(gold: bool) -> usize {
[INFO] [stdout]      |          ^^^^ help: if this is intentional, prefix it with an underscore: `_gold`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turn`
[INFO] [stdout]     --> src/main.rs:1396:9
[INFO] [stdout]      |
[INFO] [stdout] 1396 |     for turn in 1..=turns {
[INFO] [stdout]      |         ^^^^ help: if this is intentional, prefix it with an underscore: `_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/main.rs:1472:13
[INFO] [stdout]      |
[INFO] [stdout] 1472 |         for t in 0..100 {
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "52d1c5c3070a1e68823a0c344a132299c59e6ea494ea283379976bd5d2cceef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d1c5c3070a1e68823a0c344a132299c59e6ea494ea283379976bd5d2cceef2", kill_on_drop: false }`
[INFO] [stdout] 52d1c5c3070a1e68823a0c344a132299c59e6ea494ea283379976bd5d2cceef2