[INFO] cloning repository https://github.com/TautvydasCerniauskas/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TautvydasCerniauskas/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ae84fefd456faa130b52756873208df249c018
[INFO] checking TautvydasCerniauskas/aoc-2020 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TautvydasCerniauskas/aoc-2020 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TautvydasCerniauskas/aoc-2020
[INFO] finished tweaking git repo https://github.com/TautvydasCerniauskas/aoc-2020
[INFO] tweaked toml for git repo https://github.com/TautvydasCerniauskas/aoc-2020 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/TautvydasCerniauskas/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d636ff002ce34cd69b201eb84f6c469ce1e20b2f26d7c2af833b2cb04729d90f
[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" "d636ff002ce34cd69b201eb84f6c469ce1e20b2f26d7c2af833b2cb04729d90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d636ff002ce34cd69b201eb84f6c469ce1e20b2f26d7c2af833b2cb04729d90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d636ff002ce34cd69b201eb84f6c469ce1e20b2f26d7c2af833b2cb04729d90f", kill_on_drop: false }`
[INFO] [stdout] d636ff002ce34cd69b201eb84f6c469ce1e20b2f26d7c2af833b2cb04729d90f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 3ef54a716ccd2393684165ce273fbe1fcf0b1749ddbdfe2507926e7eb5061db7
[INFO] running `Command { std: "docker" "start" "-a" "3ef54a716ccd2393684165ce273fbe1fcf0b1749ddbdfe2507926e7eb5061db7", kill_on_drop: false }`
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:362:21
[INFO] [stdout]     |
[INFO] [stdout] 362 |                     &contains_map.insert(k.to_string(), req);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |                     let _ = &contains_map.insert(k.to_string(), req);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:556:5
[INFO] [stdout]     |
[INFO] [stdout] 556 |     &input.push(0);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 556 |     let _ = &input.push(0);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     &input.sort();
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 557 |     let _ = &input.sort();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:822:13
[INFO] [stdout]     |
[INFO] [stdout] 822 | /             &line[4..]
[INFO] [stdout] 823 | |                 .split(']')
[INFO] [stdout] 824 | |                 .collect::<Vec<&str>>()
[INFO] [stdout] 825 | |                 .windows(2)
[INFO] [stdout] ...   |
[INFO] [stdout] 832 | |                     mem.insert(l0, m & and_or.0 | and_or.1);
[INFO] [stdout] 833 | |                 });
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 822 |             let _ = &line[4..]
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:362:21
[INFO] [stdout]     |
[INFO] [stdout] 362 |                     &contains_map.insert(k.to_string(), req);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |                     let _ = &contains_map.insert(k.to_string(), req);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:556:5
[INFO] [stdout]     |
[INFO] [stdout] 556 |     &input.push(0);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 556 |     let _ = &input.push(0);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     &input.sort();
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 557 |     let _ = &input.sort();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/solutions.rs:822:13
[INFO] [stdout]     |
[INFO] [stdout] 822 | /             &line[4..]
[INFO] [stdout] 823 | |                 .split(']')
[INFO] [stdout] 824 | |                 .collect::<Vec<&str>>()
[INFO] [stdout] 825 | |                 .windows(2)
[INFO] [stdout] ...   |
[INFO] [stdout] 832 | |                     mem.insert(l0, m & and_or.0 | and_or.1);
[INFO] [stdout] 833 | |                 });
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 822 |             let _ = &line[4..]
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "3ef54a716ccd2393684165ce273fbe1fcf0b1749ddbdfe2507926e7eb5061db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef54a716ccd2393684165ce273fbe1fcf0b1749ddbdfe2507926e7eb5061db7", kill_on_drop: false }`
[INFO] [stdout] 3ef54a716ccd2393684165ce273fbe1fcf0b1749ddbdfe2507926e7eb5061db7