[INFO] cloning repository https://github.com/tony612/adventureofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tony612/adventureofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony612%2Fadventureofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony612%2Fadventureofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e91e9cec8e04cc75fd1443baea46d023c9b4792a
[INFO] checking tony612/adventureofcode against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony612%2Fadventureofcode" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tony612/adventureofcode on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tony612/adventureofcode
[INFO] finished tweaking git repo https://github.com/tony612/adventureofcode
[INFO] tweaked toml for git repo https://github.com/tony612/adventureofcode written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/tony612/adventureofcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f658bb4166f5c08391d81eade68ca60137bf3deec9863d710ee39fad2bfcce97
[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" "f658bb4166f5c08391d81eade68ca60137bf3deec9863d710ee39fad2bfcce97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f658bb4166f5c08391d81eade68ca60137bf3deec9863d710ee39fad2bfcce97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f658bb4166f5c08391d81eade68ca60137bf3deec9863d710ee39fad2bfcce97", kill_on_drop: false }`
[INFO] [stdout] f658bb4166f5c08391d81eade68ca60137bf3deec9863d710ee39fad2bfcce97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 843de7281f7c9f771dc9225b2eea9257a4f7b80387994490bd8287deaaec810f
[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" "843de7281f7c9f771dc9225b2eea9257a4f7b80387994490bd8287deaaec810f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `areas` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/day6.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let found = areas.get(id);
[INFO] [stdout]    |                         ----- immutable borrow occurs here
[INFO] [stdout] 75 |             match found {
[INFO] [stdout] 76 |                 Some(size) => areas.insert(*id, size + 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 `areas` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/day6.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let found = areas.get(id);
[INFO] [stdout]    |                         ----- immutable borrow occurs here
[INFO] [stdout] 75 |             match found {
[INFO] [stdout] 76 |                 Some(size) => areas.insert(*id, size + 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "843de7281f7c9f771dc9225b2eea9257a4f7b80387994490bd8287deaaec810f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843de7281f7c9f771dc9225b2eea9257a4f7b80387994490bd8287deaaec810f", kill_on_drop: false }`
[INFO] [stdout] 843de7281f7c9f771dc9225b2eea9257a4f7b80387994490bd8287deaaec810f