[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#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTautvydasCerniauskas%2Faoc-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TautvydasCerniauskas/aoc-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/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-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b57bba784b7873acc5d92a954986bd7009a75fb77d610059e1566242c06ad5c4
[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" "b57bba784b7873acc5d92a954986bd7009a75fb77d610059e1566242c06ad5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57bba784b7873acc5d92a954986bd7009a75fb77d610059e1566242c06ad5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57bba784b7873acc5d92a954986bd7009a75fb77d610059e1566242c06ad5c4", kill_on_drop: false }`
[INFO] [stdout] b57bba784b7873acc5d92a954986bd7009a75fb77d610059e1566242c06ad5c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] ff4446e7b3cd3be42116a328d560f59ec6d79efb403fbe1151976e1e5805d9fd
[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" "ff4446e7b3cd3be42116a328d560f59ec6d79efb403fbe1151976e1e5805d9fd", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[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]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[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]     |     ^^^^^^^^^^^^^^
[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]     |     ^^^^^^^^^^^^^
[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]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[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]     |     ^^^^^^^^^^^^^^
[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]     |     ^^^^^^^^^^^^^
[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]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "ff4446e7b3cd3be42116a328d560f59ec6d79efb403fbe1151976e1e5805d9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4446e7b3cd3be42116a328d560f59ec6d79efb403fbe1151976e1e5805d9fd", kill_on_drop: false }`
[INFO] [stdout] ff4446e7b3cd3be42116a328d560f59ec6d79efb403fbe1151976e1e5805d9fd