[INFO] cloning repository https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foo-dogsquared/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3db882b283f3d0cd022c3492fb18cf7f8b341a72
[INFO] checking foo-dogsquared/advent-of-code-2019 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoo-dogsquared%2Fadvent-of-code-2019" "/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/foo-dogsquared/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/foo-dogsquared/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/foo-dogsquared/advent-of-code-2019 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/foo-dogsquared/advent-of-code-2019 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/foo-dogsquared/advent-of-code-2019 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 430b7aa7a7f8b880325c6131d96e8d1fb54fcbbefe0cf9b9900983910bdd154d
[INFO] running `Command { std: "docker" "start" "-a" "430b7aa7a7f8b880325c6131d96e8d1fb54fcbbefe0cf9b9900983910bdd154d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430b7aa7a7f8b880325c6131d96e8d1fb54fcbbefe0cf9b9900983910bdd154d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430b7aa7a7f8b880325c6131d96e8d1fb54fcbbefe0cf9b9900983910bdd154d", kill_on_drop: false }`
[INFO] [stdout] 430b7aa7a7f8b880325c6131d96e8d1fb54fcbbefe0cf9b9900983910bdd154d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67097df6fda086c8e4e36356a7c066e4503ee6837f52f391cca7e50d6713e41c
[INFO] running `Command { std: "docker" "start" "-a" "67097df6fda086c8e4e36356a7c066e4503ee6837f52f391cca7e50d6713e41c", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part1.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day2/part1.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(v) => Ok(()), 
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[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/day1/part1.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/day1/part2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut input = fs::read_to_string("inputs/day1.txt")?;
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/day2/part1.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Some(v) => Ok(()), 
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "67097df6fda086c8e4e36356a7c066e4503ee6837f52f391cca7e50d6713e41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67097df6fda086c8e4e36356a7c066e4503ee6837f52f391cca7e50d6713e41c", kill_on_drop: false }`
[INFO] [stdout] 67097df6fda086c8e4e36356a7c066e4503ee6837f52f391cca7e50d6713e41c