[INFO] cloning repository https://github.com/im-alfa/AdventOfCode2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/im-alfa/AdventOfCode2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fim-alfa%2FAdventOfCode2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fim-alfa%2FAdventOfCode2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17ceaf54f09a024aa321877e88b234514898bb47
[INFO] checking im-alfa/AdventOfCode2024/17ceaf54f09a024aa321877e88b234514898bb47 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fim-alfa%2FAdventOfCode2024" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/im-alfa/AdventOfCode2024
[INFO] finished tweaking git repo https://github.com/im-alfa/AdventOfCode2024
[INFO] tweaked toml for git repo https://github.com/im-alfa/AdventOfCode2024 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/im-alfa/AdventOfCode2024 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/im-alfa/AdventOfCode2024 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbdae6b147944ffa8bd0cdff69686f7c7f61a134bd7479bc5bd54b53643eef5
[INFO] running `Command { std: "docker" "start" "-a" "6bbdae6b147944ffa8bd0cdff69686f7c7f61a134bd7479bc5bd54b53643eef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbdae6b147944ffa8bd0cdff69686f7c7f61a134bd7479bc5bd54b53643eef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbdae6b147944ffa8bd0cdff69686f7c7f61a134bd7479bc5bd54b53643eef5", kill_on_drop: false }`
[INFO] [stdout] 6bbdae6b147944ffa8bd0cdff69686f7c7f61a134bd7479bc5bd54b53643eef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 478c8ff60745ac3869715a396c78bc561d86e8a208827074b8b4b51b61bb29ae
[INFO] running `Command { std: "docker" "start" "-a" "478c8ff60745ac3869715a396c78bc561d86e8a208827074b8b4b51b61bb29ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking day4a v0.1.0 (/opt/rustwide/workdir/crates/day4a)
[INFO] [stderr]     Checking day10b v0.1.0 (/opt/rustwide/workdir/crates/day10b)
[INFO] [stderr]     Checking day4b v0.1.0 (/opt/rustwide/workdir/crates/day4b)
[INFO] [stderr]     Checking day6a v0.1.0 (/opt/rustwide/workdir/crates/day6a)
[INFO] [stderr]     Checking day8b v0.1.0 (/opt/rustwide/workdir/crates/day8b)
[INFO] [stderr]     Checking day8a v0.1.0 (/opt/rustwide/workdir/crates/day8a)
[INFO] [stderr]     Checking day1b v0.1.0 (/opt/rustwide/workdir/crates/day1b)
[INFO] [stderr]     Checking day10a v0.1.0 (/opt/rustwide/workdir/crates/day10a)
[INFO] [stdout] error: couldn't read `crates/day4b/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]  --> crates/day4b/src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let lines = include_bytes!("input.txt")
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `crates/day1b/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]  --> crates/day1b/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     include_str!("input.txt").lines().for_each(|l| {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `crates/day4a/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day4a/src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let lines = include_bytes!("input.txt")
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `crates/day10b/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day10b/src/main.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let data = include_bytes!("input.txt")
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `crates/day8b/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day8b/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     include_bytes!("input.txt")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `crates/day10b/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day10b/src/main.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let data = include_bytes!("input.txt")
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> crates/day1b/src/main.rs:8:49
[INFO] [stdout]   |
[INFO] [stdout] 8 |     include_str!("input.txt").lines().for_each(|l| {
[INFO] [stdout]   |                                                 ^
[INFO] [stdout] 9 |         let mut iter = l.split("   ");
[INFO] [stdout]   |                        - type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 8 |     include_str!("input.txt").lines().for_each(|l: /* Type */| {
[INFO] [stdout]   |                                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> crates/day4a/src/main.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .map(|l| l.windows(4).filter(|b| b == XMAS || b == SAMX).count())
[INFO] [stdout]    |               ^  - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 51 |         .map(|l: /* Type */| l.windows(4).filter(|b| b == XMAS || b == SAMX).count())
[INFO] [stdout]    |                ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> crates/day4a/src/main.rs:57:21
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let x_pos = line
[INFO] [stdout]    |                     ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> crates/day4b/src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let a_pos = line
[INFO] [stdout]    |                     ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day4a` (bin "day4a" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `crates/day8a/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day8a/src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     include_bytes!("input.txt")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day1b` (bin "day1b") due to 2 previous errors
[INFO] [stdout] error: couldn't read `crates/day6a/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day6a/src/main.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut input = include_bytes!("input.txt")
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]   --> crates/day10b/src/main.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc, (y, line)| {
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 45 |             line.iter().enumerate().for_each(|(x, &byte)| {
[INFO] [stdout]    |             ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc, (y, line): (_, _)| {
[INFO] [stdout]    |                                              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> crates/day10b/src/main.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc, (y, line)| {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |                     acc.push((x, y));
[INFO] [stdout]    |                     --- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc: /* Type */, (y, line)| {
[INFO] [stdout]    |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]   --> crates/day10b/src/main.rs:44:37
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc, (y, line)| {
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 45 |             line.iter().enumerate().for_each(|(x, &byte)| {
[INFO] [stdout]    |             ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc, (y, line): (_, _)| {
[INFO] [stdout]    |                                              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> crates/day10b/src/main.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc, (y, line)| {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |                     acc.push((x, y));
[INFO] [stdout]    |                     --- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 44 |         .fold(Vec::new(), |mut acc: /* Type */, (y, line)| {
[INFO] [stdout]    |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day10b` (bin "day10b" test) due to 3 previous errors
[INFO] [stderr] error: could not compile `day4b` (bin "day4b") due to 2 previous errors
[INFO] [stdout] error: couldn't read `crates/day6a/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day6a/src/main.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut input = include_bytes!("input.txt")
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, &_)`
[INFO] [stdout]   --> crates/day6a/src/main.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         .find_map(|(posy, &ref b)| match b.iter().position(|&b| b == b'^') {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^        - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 58 |         .find_map(|(posy, &ref b): (_, &_)| match b.iter().position(|&b| b == b'^') {
[INFO] [stdout]    |                                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]   --> crates/day8a/src/main.rs:18:45
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |mut acc: HashMap<&u8, Vec<_>>, (posy, b)| {
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout] 19 |                 b.iter().enumerate().for_each(|(posx, b)| {
[INFO] [stdout]    |                 - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |mut acc: HashMap<&u8, Vec<_>>, (posy, b): (_, _)| {
[INFO] [stdout]    |                                                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]   --> crates/day8b/src/main.rs:18:45
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |mut acc: HashMap<&u8, Vec<_>>, (posy, b)| {
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout] 19 |                 b.iter().enumerate().for_each(|(posx, b)| {
[INFO] [stdout]    |                 - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 18 |             |mut acc: HashMap<&u8, Vec<_>>, (posy, b): (_, _)| {
[INFO] [stdout]    |                                                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day10b` (bin "day10b") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day6a` (bin "day6a" test) due to 2 previous errors
[INFO] [stdout] error: couldn't read `crates/day10a/src/input.txt`: No such file or directory (os error 2)
[INFO] [stdout]   --> crates/day10a/src/main.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let data = include_bytes!("input.txt")
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day8b` (bin "day8b") due to 2 previous errors
[INFO] [stdout] error[E0282]: type annotations needed for `(_, _)`
[INFO] [stdout]   --> crates/day10a/src/main.rs:47:37
[INFO] [stdout]    |
[INFO] [stdout] 47 |         .fold(Vec::new(), |mut acc, (y, line)| {
[INFO] [stdout]    |                                     ^^^^^^^^^
[INFO] [stdout] 48 |             line.iter().enumerate().for_each(|(x, &byte)| {
[INFO] [stdout]    |             ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 47 |         .fold(Vec::new(), |mut acc, (y, line): (_, _)| {
[INFO] [stdout]    |                                              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> crates/day10a/src/main.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |         .fold(Vec::new(), |mut acc, (y, line)| {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |                     acc.push((x, y));
[INFO] [stdout]    |                     --- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 47 |         .fold(Vec::new(), |mut acc: /* Type */, (y, line)| {
[INFO] [stdout]    |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day10a` (bin "day10a") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `(_, &_)`
[INFO] [stdout]   --> crates/day6a/src/main.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         .find_map(|(posy, &ref b)| match b.iter().position(|&b| b == b'^') {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^        - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type, where the placeholders `_` are specified
[INFO] [stdout]    |
[INFO] [stdout] 58 |         .find_map(|(posy, &ref b): (_, &_)| match b.iter().position(|&b| b == b'^') {
[INFO] [stdout]    |                                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day8a` (bin "day8a") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day6a` (bin "day6a") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "478c8ff60745ac3869715a396c78bc561d86e8a208827074b8b4b51b61bb29ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478c8ff60745ac3869715a396c78bc561d86e8a208827074b8b4b51b61bb29ae", kill_on_drop: false }`
[INFO] [stdout] 478c8ff60745ac3869715a396c78bc561d86e8a208827074b8b4b51b61bb29ae
