[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] 1fd487a539a0f7e84691e7f68f01ac94787f6ada [INFO] checking nbrady-techempower/adventofcode-2020 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrady-techempower%2Fadventofcode-2020" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nbrady-techempower/adventofcode-2020 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ecb5a9840bf7eccb5106101c75c20381f4c7dcda113cf076f7c1c55474c7f61 [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" "2ecb5a9840bf7eccb5106101c75c20381f4c7dcda113cf076f7c1c55474c7f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ecb5a9840bf7eccb5106101c75c20381f4c7dcda113cf076f7c1c55474c7f61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ecb5a9840bf7eccb5106101c75c20381f4c7dcda113cf076f7c1c55474c7f61", kill_on_drop: false }` [INFO] [stdout] 2ecb5a9840bf7eccb5106101c75c20381f4c7dcda113cf076f7c1c55474c7f61 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f3de38ad3bfa1d68e6932c531245aa2adfc05f978e8ad23a98aa0ab80bf88b56 [INFO] running `Command { std: "docker" "start" "-a" "f3de38ad3bfa1d68e6932c531245aa2adfc05f978e8ad23a98aa0ab80bf88b56", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [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 itertools v0.9.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking n v0.2.0 [INFO] [stderr] Checking nix v0.18.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [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: unused import: `Range` [INFO] [stdout] --> src/puzzles/day16.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::{Range, RangeInclusive}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Range` [INFO] [stdout] --> src/puzzles/day16.rs:5:16 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ops::{Range, RangeInclusive}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/utils/grid.rs:44:37 [INFO] [stdout] | [INFO] [stdout] 44 | v.insert(0,v[0].iter().map(|c| '.').collect::>()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/utils/grid.rs:45:33 [INFO] [stdout] | [INFO] [stdout] 45 | v.push(v[0].iter().map(|c| '.').collect::>()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/utils/grid.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | for i in 0..num_rows { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/utils/grid.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | for j in 0..num_cols { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/utils/grid.rs:44:37 [INFO] [stdout] | [INFO] [stdout] 44 | v.insert(0,v[0].iter().map(|c| '.').collect::>()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/utils/grid.rs:45:33 [INFO] [stdout] | [INFO] [stdout] 45 | v.push(v[0].iter().map(|c| '.').collect::>()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/utils/grid.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | for i in 0..num_rows { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/utils/grid.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | for j in 0..num_cols { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [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: 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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.79s [INFO] running `Command { std: "docker" "inspect" "f3de38ad3bfa1d68e6932c531245aa2adfc05f978e8ad23a98aa0ab80bf88b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3de38ad3bfa1d68e6932c531245aa2adfc05f978e8ad23a98aa0ab80bf88b56", kill_on_drop: false }` [INFO] [stdout] f3de38ad3bfa1d68e6932c531245aa2adfc05f978e8ad23a98aa0ab80bf88b56