[INFO] cloning repository https://github.com/triamero/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triamero/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f8f65fde4a596146c8203a989051f2d4f4fff55
[INFO] testing triamero/advent-of-code-2018 against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/triamero/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/triamero/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/triamero/advent-of-code-2018 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/triamero/advent-of-code-2018 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/triamero/advent-of-code-2018 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4da37ed69926d88de57455f1102fa64d44add271b989d162fdbac5a575ce8d
[INFO] running `Command { std: "docker" "start" "-a" "5b4da37ed69926d88de57455f1102fa64d44add271b989d162fdbac5a575ce8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4da37ed69926d88de57455f1102fa64d44add271b989d162fdbac5a575ce8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4da37ed69926d88de57455f1102fa64d44add271b989d162fdbac5a575ce8d", kill_on_drop: false }`
[INFO] [stdout] 5b4da37ed69926d88de57455f1102fa64d44add271b989d162fdbac5a575ce8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b08267afb41c53b964048a840992b314f59be7c4206827d028e2c2b380b3bf
[INFO] running `Command { std: "docker" "start" "-a" "97b08267afb41c53b964048a840992b314f59be7c4206827d028e2c2b380b3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/days/day5.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day5();
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "97b08267afb41c53b964048a840992b314f59be7c4206827d028e2c2b380b3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b08267afb41c53b964048a840992b314f59be7c4206827d028e2c2b380b3bf", kill_on_drop: false }`
[INFO] [stdout] 97b08267afb41c53b964048a840992b314f59be7c4206827d028e2c2b380b3bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3911cf803383ab3864a8541c1b15827eba9dc6b6ebe54509cc03f07a7f772213
[INFO] running `Command { std: "docker" "start" "-a" "3911cf803383ab3864a8541c1b15827eba9dc6b6ebe54509cc03f07a7f772213", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/days/day5.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day5();
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> tests/day4/compute_first_test.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let result = Day4().compute_first(&data);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/days/day5.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day5();
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "3911cf803383ab3864a8541c1b15827eba9dc6b6ebe54509cc03f07a7f772213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3911cf803383ab3864a8541c1b15827eba9dc6b6ebe54509cc03f07a7f772213", kill_on_drop: false }`
[INFO] [stdout] 3911cf803383ab3864a8541c1b15827eba9dc6b6ebe54509cc03f07a7f772213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ba5cdf928c02b37f2e5f2811062d6b86e1fe727cc3d4bf6079b12626906f088
[INFO] running `Command { std: "docker" "start" "-a" "7ba5cdf928c02b37f2e5f2811062d6b86e1fe727cc3d4bf6079b12626906f088", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/days/day4.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `infos`
[INFO] [stderr]   --> src/days/day4.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guard_id` is never read
[INFO] [stderr]   --> src/days/day4.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut guard_id = -1;
[INFO] [stderr]    |                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/days/day4.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_change` is assigned to, but never used
[INFO] [stderr]   --> src/days/day5.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut has_change = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_has_change` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_change` is never read
[INFO] [stderr]   --> src/days/day5.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             has_change = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/days/day5.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Guard` is never constructed
[INFO] [stderr]   --> src/days/day4.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | struct Guard {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `GuardAction` is never constructed
[INFO] [stderr]   --> src/days/day4.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct GuardAction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> src/utils.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]   |
[INFO] [stderr] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stderr] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (lib) generated 10 warnings (run `cargo fix --lib -p advent_of_code` to apply 5 suggestions)
[INFO] [stderr] warning: `advent_of_code` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> tests/day4/compute_first_test.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let result = Day4().compute_first(&data);
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Day5` is never constructed
[INFO] [stderr]  --> src/days/day5.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Day5();
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (test "lib") generated 1 warning (run `cargo fix --test "lib" -p advent_of_code` to apply 1 suggestion)
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code") generated 11 warnings (10 duplicates)
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code" test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code-0ad929fedf25fd41)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code-2ade262b1454fd43)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-dbaf1061e2b2f077)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample3 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample2 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample1 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample2 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample4 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample3 ... ok
[INFO] [stdout] test day2::compute_second_tests::compute_second_tests::compute_second_sample1 ... ok
[INFO] [stdout] test day2::compute_first_tests::compute_first::first_sample1 ... ok
[INFO] [stdout] test day4::compute_first_test::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] test day5::compute_first_tests::compute_first::compute_first_sample1 ... FAILED
[INFO] [stdout] test day3::compute_second_tests::compute_second::compute_second_sample1 ... ok
[INFO] [stdout] test day3::compute_first_tests::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- day5::compute_first_tests::compute_first::compute_first_sample1 stdout ----
[INFO] [stdout] polymer dabAcCaCBAcCcaDA
[INFO] [stdout] current_char d
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char b
[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char B
[INFO] [stdout] added
[INFO] [stdout] current_char A
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char D
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[INFO] [stdout] added
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[INFO] [stdout] current_char b
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[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char A
[INFO] [stdout] current_char b
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] current_char C
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] 
[INFO] [stdout] thread 'day5::compute_first_tests::compute_first::compute_first_sample1' (38) panicked at tests/day5/compute_first_tests.rs:14:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 10
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x60bcef823762 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60bcef823762 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60bcef823762 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60bcef823762 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60bcef8338aa - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60bcef8338aa - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x60bcef7f2376 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60bcef7f2376 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x60bcef802b79 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60bcef802b79 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60bcef802a11 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60bcef78bfee - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x60bcef78bfee - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60bcef802df2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x60bcef802df2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60bcef802c38 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60bcef7fe169 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60bcef7e71ad - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60bcef83aedc - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60bcef83adf3 - core::panicking::assert_failed_inner::h3c3301979dc81b81
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x60bcef811959 - core::panicking::assert_failed::h504ace85b6b11891
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x60bcef76c977 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::hebfa27f6d7cf862f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:14:9
[INFO] [stdout]   22:     0x60bcef76c9c7 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::{{closure}}::hf74d659301d71858
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:9:31
[INFO] [stdout]   23:     0x60bcef76cb06 - core::ops::function::FnOnce::call_once::h1a5fc93c47dd1896
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x60bcef78bdab - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x60bcef78bdab - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x60bcef79f7ba - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x60bcef79f7ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x60bcef79f7ba - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x60bcef79f7ba - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x60bcef79f7ba - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x60bcef79f7ba - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x60bcef79f7ba - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x60bcef779c14 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x60bcef779c14 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x60bcef77d5b2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x60bcef77d5b2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x60bcef77d5b2 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x60bcef77d5b2 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x60bcef77d5b2 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x60bcef77d5b2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x60bcef77d5b2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x60bcef7f93ff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x60bcef7f93ff - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x794d0c7ebaa4 - <unknown>
[INFO] [stdout]   45:     0x794d0c878a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     day5::compute_first_tests::compute_first::compute_first_sample1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "7ba5cdf928c02b37f2e5f2811062d6b86e1fe727cc3d4bf6079b12626906f088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba5cdf928c02b37f2e5f2811062d6b86e1fe727cc3d4bf6079b12626906f088", kill_on_drop: false }`
[INFO] [stdout] 7ba5cdf928c02b37f2e5f2811062d6b86e1fe727cc3d4bf6079b12626906f088
