[INFO] updating cached repository https://github.com/tony612/adventureofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e91e9cec8e04cc75fd1443baea46d023c9b4792a
[INFO] checking tony612/adventureofcode against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony612%2Fadventureofcode" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tony612/adventureofcode on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", 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] 4b7e886aec21c3659e5ff18e29f84f96db6a82bae4813d6f2a8927308132b888
[INFO] running `Command { std: "docker" "start" "-a" "4b7e886aec21c3659e5ff18e29f84f96db6a82bae4813d6f2a8927308132b888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b7e886aec21c3659e5ff18e29f84f96db6a82bae4813d6f2a8927308132b888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7e886aec21c3659e5ff18e29f84f96db6a82bae4813d6f2a8927308132b888", kill_on_drop: false }`
[INFO] [stdout] 4b7e886aec21c3659e5ff18e29f84f96db6a82bae4813d6f2a8927308132b888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2abe3373e2ed7c6b0a0e3ac0efe1f62a68b89d1a5b8963abf3a5f348b64ca7
[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" "ca2abe3373e2ed7c6b0a0e3ac0efe1f62a68b89d1a5b8963abf3a5f348b64ca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "ca2abe3373e2ed7c6b0a0e3ac0efe1f62a68b89d1a5b8963abf3a5f348b64ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2abe3373e2ed7c6b0a0e3ac0efe1f62a68b89d1a5b8963abf3a5f348b64ca7", kill_on_drop: false }`
[INFO] [stdout] ca2abe3373e2ed7c6b0a0e3ac0efe1f62a68b89d1a5b8963abf3a5f348b64ca7