[INFO] cloning repository https://github.com/nbrady-techempower/adventofcode-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbrady-techempower/adventofcode-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrady-techempower%2Fadventofcode-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrady-techempower%2Fadventofcode-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d22b4464a754905c696cb44d96a739267467e3a5 [INFO] checking nbrady-techempower/adventofcode-2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrady-techempower%2Fadventofcode-2020" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nbrady-techempower/adventofcode-2020 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nbrady-techempower/adventofcode-2020 [INFO] finished tweaking git repo https://github.com/nbrady-techempower/adventofcode-2020 [INFO] tweaked toml for git repo https://github.com/nbrady-techempower/adventofcode-2020 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/nbrady-techempower/adventofcode-2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 109041a9944d35e5b51d13d03b005a930f493b2809f8fab1c78ba1f2c3cea4ab [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" "109041a9944d35e5b51d13d03b005a930f493b2809f8fab1c78ba1f2c3cea4ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "109041a9944d35e5b51d13d03b005a930f493b2809f8fab1c78ba1f2c3cea4ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "109041a9944d35e5b51d13d03b005a930f493b2809f8fab1c78ba1f2c3cea4ab", kill_on_drop: false }` [INFO] [stdout] 109041a9944d35e5b51d13d03b005a930f493b2809f8fab1c78ba1f2c3cea4ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89dd5f83c87a4c2edee0c98a81ff4abadc36393b907c10818c991935cb9dfe40 [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" "89dd5f83c87a4c2edee0c98a81ff4abadc36393b907c10818c991935cb9dfe40", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking memchr v2.3.4 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking nix v0.18.0 [INFO] [stderr] Checking n v0.2.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking ctrlc v3.1.7 [INFO] [stderr] Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: cannot borrow `hash` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/puzzles/day15.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 22 | if let Some(last_hash) = hash.get(&last) { [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 23 | hash.insert(last, (turn, last_hash.0)); [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `hash` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/puzzles/day15.rs:23:21 [INFO] [stdout] | [INFO] [stdout] 22 | if let Some(last_hash) = hash.get(&last) { [INFO] [stdout] | ---- immutable borrow occurs here [INFO] [stdout] 23 | hash.insert(last, (turn, last_hash.0)); [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.34s [INFO] running `Command { std: "docker" "inspect" "89dd5f83c87a4c2edee0c98a81ff4abadc36393b907c10818c991935cb9dfe40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89dd5f83c87a4c2edee0c98a81ff4abadc36393b907c10818c991935cb9dfe40", kill_on_drop: false }` [INFO] [stdout] 89dd5f83c87a4c2edee0c98a81ff4abadc36393b907c10818c991935cb9dfe40