[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] testing tony612/adventureofcode against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftony612%2Fadventureofcode" "/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/tony612/adventureofcode on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0187594988db76d07c3da84a7917ec1ce752059335965b69756b6867aed79012
[INFO] running `Command { std: "docker" "start" "-a" "0187594988db76d07c3da84a7917ec1ce752059335965b69756b6867aed79012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0187594988db76d07c3da84a7917ec1ce752059335965b69756b6867aed79012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0187594988db76d07c3da84a7917ec1ce752059335965b69756b6867aed79012", kill_on_drop: false }`
[INFO] [stdout] 0187594988db76d07c3da84a7917ec1ce752059335965b69756b6867aed79012
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da815c7cbf2ff97ed9c6a6753874bf7ca2e6d1de7df9d8b9aa5266f2df48f38
[INFO] running `Command { std: "docker" "start" "-a" "9da815c7cbf2ff97ed9c6a6753874bf7ca2e6d1de7df9d8b9aa5266f2df48f38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "9da815c7cbf2ff97ed9c6a6753874bf7ca2e6d1de7df9d8b9aa5266f2df48f38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da815c7cbf2ff97ed9c6a6753874bf7ca2e6d1de7df9d8b9aa5266f2df48f38", kill_on_drop: false }`
[INFO] [stdout] 9da815c7cbf2ff97ed9c6a6753874bf7ca2e6d1de7df9d8b9aa5266f2df48f38
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc82df8a195269ac95936ba39ca0ad7afb6c9413b1518c95ef743670a368543
[INFO] running `Command { std: "docker" "start" "-a" "6dc82df8a195269ac95936ba39ca0ad7afb6c9413b1518c95ef743670a368543", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "6dc82df8a195269ac95936ba39ca0ad7afb6c9413b1518c95ef743670a368543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc82df8a195269ac95936ba39ca0ad7afb6c9413b1518c95ef743670a368543", kill_on_drop: false }`
[INFO] [stdout] 6dc82df8a195269ac95936ba39ca0ad7afb6c9413b1518c95ef743670a368543
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8346fbd1ff370ab7770c2a19ac696ffc2357686994701988077e9ee368a083e
[INFO] running `Command { std: "docker" "start" "-a" "c8346fbd1ff370ab7770c2a19ac696ffc2357686994701988077e9ee368a083e", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `areas` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/day6.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 74 |             let found = areas.get(id);
[INFO] [stderr]    |                         ----- immutable borrow occurs here
[INFO] [stderr] 75 |             match found {
[INFO] [stderr] 76 |                 Some(size) => areas.insert(*id, size + 1),
[INFO] [stderr]    |                               ^^^^^             ---- immutable borrow later used here
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode` (bin "adventofcode" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adventofcode-9d35a870fb0b49f6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8346fbd1ff370ab7770c2a19ac696ffc2357686994701988077e9ee368a083e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8346fbd1ff370ab7770c2a19ac696ffc2357686994701988077e9ee368a083e", kill_on_drop: false }`
[INFO] [stdout] c8346fbd1ff370ab7770c2a19ac696ffc2357686994701988077e9ee368a083e