[INFO] cloning repository https://github.com/minight/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minight/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminight%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminight%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d112a025e8b481155b0cc9ca5868ec9a3dd5dcc4
[INFO] checking minight/adventofcode2020 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminight%2Fadventofcode2020" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minight/adventofcode2020 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minight/adventofcode2020
[INFO] finished tweaking git repo https://github.com/minight/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/minight/adventofcode2020 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/minight/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47018c32348ba6778ef5d3cdf2d37c61c2620a2d210c5e694ca977135a02f249
[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" "47018c32348ba6778ef5d3cdf2d37c61c2620a2d210c5e694ca977135a02f249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47018c32348ba6778ef5d3cdf2d37c61c2620a2d210c5e694ca977135a02f249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47018c32348ba6778ef5d3cdf2d37c61c2620a2d210c5e694ca977135a02f249", kill_on_drop: false }`
[INFO] [stdout] 47018c32348ba6778ef5d3cdf2d37c61c2620a2d210c5e694ca977135a02f249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd0f60e2288456e28858fc70da551a92279b2bb94774a2345e67e6da9919e79
[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" "3fd0f60e2288456e28858fc70da551a92279b2bb94774a2345e67e6da9919e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day_5_1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day_5_1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day_3_1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/bin/day_3_1.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let target = 2020;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/bin/day_3_1.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let end = lines.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculatePos` should have a snake case name
[INFO] [stdout]  --> src/bin/day_5_1.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn calculatePos(start: i32, operations: &[Operation]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_pos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FB` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let FB = calculatePos(127, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `fb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LR` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let LR = calculatePos(7, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `lr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculatePos` should have a snake case name
[INFO] [stdout]  --> src/bin/day_5_1.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn calculatePos(start: i32, operations: &[Operation]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_pos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FB` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let FB = calculatePos(127, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `fb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LR` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_1.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let LR = calculatePos(7, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `lr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/day_4_2.rs:50:81
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0' | 'a' | 'b'
[INFO] [stdout]    |                                                                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/day_4_2.rs:66:81
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0' => {}
[INFO] [stdout]    |                                                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/bin/day_5_2.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut max = 0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_5_2.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut max = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculatePos` should have a snake case name
[INFO] [stdout]  --> src/bin/day_5_2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn calculatePos(start: i32, operations: &[Operation]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_pos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FB` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let FB = calculatePos(127, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `fb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LR` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let LR = calculatePos(7, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `lr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected type, found keyword `true`
[INFO] [stdout]   --> src/main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Day1(true),
[INFO] [stdout]    |          ^^^^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected type, found keyword `true`
[INFO] [stdout]   --> src/main.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Day1(true),
[INFO] [stdout]    |          ^^^^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `left` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     left,
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `right` should have an upper camel case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     right,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `Right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/day_3_1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]  --> src/bin/day_3_1.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let target = 2020;
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/bin/day_3_1.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let end = lines.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max`
[INFO] [stdout]   --> src/bin/day_5_2.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut max = 0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day_5_2.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut max = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculatePos` should have a snake case name
[INFO] [stdout]  --> src/bin/day_5_2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn calculatePos(start: i32, operations: &[Operation]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_pos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `FB` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let FB = calculatePos(127, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `fb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `LR` should have a snake case name
[INFO] [stdout]   --> src/bin/day_5_2.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let LR = calculatePos(7, &ops);
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `lr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/day_4_2.rs:50:81
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0' | 'a' | 'b'
[INFO] [stdout]    |                                                                                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/bin/day_4_2.rs:66:81
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | '0' => {}
[INFO] [stdout]    |                                                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3fd0f60e2288456e28858fc70da551a92279b2bb94774a2345e67e6da9919e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd0f60e2288456e28858fc70da551a92279b2bb94774a2345e67e6da9919e79", kill_on_drop: false }`
[INFO] [stdout] 3fd0f60e2288456e28858fc70da551a92279b2bb94774a2345e67e6da9919e79