[INFO] cloning repository https://github.com/deaz/adventofcode-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deaz/adventofcode-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeaz%2Fadventofcode-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeaz%2Fadventofcode-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73d86c0e5fde50dd8029fa2aa376fdcb6fac913d
[INFO] checking deaz/adventofcode-2018 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeaz%2Fadventofcode-2018" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deaz/adventofcode-2018 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deaz/adventofcode-2018
[INFO] finished tweaking git repo https://github.com/deaz/adventofcode-2018
[INFO] tweaked toml for git repo https://github.com/deaz/adventofcode-2018 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/deaz/adventofcode-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b16ba77871433c7cc549e4020510880dcb8b8aed4399cb75849e350909c079
[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" "71b16ba77871433c7cc549e4020510880dcb8b8aed4399cb75849e350909c079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b16ba77871433c7cc549e4020510880dcb8b8aed4399cb75849e350909c079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b16ba77871433c7cc549e4020510880dcb8b8aed4399cb75849e350909c079", kill_on_drop: false }`
[INFO] [stdout] 71b16ba77871433c7cc549e4020510880dcb8b8aed4399cb75849e350909c079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a616fae701dc66e8d148680b97d2e6393a013ccfb1415a15234d6a69cb5eb23
[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" "4a616fae701dc66e8d148680b97d2e6393a013ccfb1415a15234d6a69cb5eb23", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking adventofcode-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `chars` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/puzzle_03.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |                 let cur = chars.get(&c).unwrap_or(&0);
[INFO] [stdout]    |                           ----- immutable borrow occurs here
[INFO] [stdout] 10 |                 chars.insert(c, cur + 1);
[INFO] [stdout]    |                 ^^^^^           --- immutable borrow later used here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `map` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/puzzle_05.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     let prev = map.get(&(i, j)).unwrap_or(&0);
[INFO] [stdout]    |                                --- immutable borrow occurs here
[INFO] [stdout] 20 |                     map.insert((i, j), prev + 1);
[INFO] [stdout]    |                     ^^^                ---- immutable borrow later used here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `chars` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/puzzle_03.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 9  |                 let cur = chars.get(&c).unwrap_or(&0);
[INFO] [stdout]    |                           ----- immutable borrow occurs here
[INFO] [stdout] 10 |                 chars.insert(c, cur + 1);
[INFO] [stdout]    |                 ^^^^^           --- immutable borrow later used here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `map` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/puzzle_05.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     let prev = map.get(&(i, j)).unwrap_or(&0);
[INFO] [stdout]    |                                --- immutable borrow occurs here
[INFO] [stdout] 20 |                     map.insert((i, j), prev + 1);
[INFO] [stdout]    |                     ^^^                ---- immutable borrow later used here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "4a616fae701dc66e8d148680b97d2e6393a013ccfb1415a15234d6a69cb5eb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a616fae701dc66e8d148680b97d2e6393a013ccfb1415a15234d6a69cb5eb23", kill_on_drop: false }`
[INFO] [stdout] 4a616fae701dc66e8d148680b97d2e6393a013ccfb1415a15234d6a69cb5eb23