[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triamero/advent-of-code-2018 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1/source/Cargo.toml
[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: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85342c771239ac9170c8b5ecbb1328cbbf99cee1e55b0324d0dddda8cba0eb23
[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" "85342c771239ac9170c8b5ecbb1328cbbf99cee1e55b0324d0dddda8cba0eb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85342c771239ac9170c8b5ecbb1328cbbf99cee1e55b0324d0dddda8cba0eb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85342c771239ac9170c8b5ecbb1328cbbf99cee1e55b0324d0dddda8cba0eb23", kill_on_drop: false }`
[INFO] [stdout] 85342c771239ac9170c8b5ecbb1328cbbf99cee1e55b0324d0dddda8cba0eb23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 750abaf42c11425a52d78426a2b6cf279c4f890d55edf8b7e3d7d917a375fd5c
[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" "750abaf42c11425a52d78426a2b6cf279c4f890d55edf8b7e3d7d917a375fd5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GuardAction`
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GuardAction`
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "750abaf42c11425a52d78426a2b6cf279c4f890d55edf8b7e3d7d917a375fd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750abaf42c11425a52d78426a2b6cf279c4f890d55edf8b7e3d7d917a375fd5c", kill_on_drop: false }`
[INFO] [stdout] 750abaf42c11425a52d78426a2b6cf279c4f890d55edf8b7e3d7d917a375fd5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebe7b9cb717faaca72546edb7bf84b4ef4626a549b8bd721de9aa9202443dee2
[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" "ebe7b9cb717faaca72546edb7bf84b4ef4626a549b8bd721de9aa9202443dee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GuardAction`
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GuardAction`
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GuardAction`
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GuardAction`
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "ebe7b9cb717faaca72546edb7bf84b4ef4626a549b8bd721de9aa9202443dee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe7b9cb717faaca72546edb7bf84b4ef4626a549b8bd721de9aa9202443dee2", kill_on_drop: false }`
[INFO] [stdout] ebe7b9cb717faaca72546edb7bf84b4ef4626a549b8bd721de9aa9202443dee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62b99eb5163c971c29dbdd798cac92388f5608e8bb32141669e03415ff3a7e3e
[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" "62b99eb5163c971c29dbdd798cac92388f5608e8bb32141669e03415ff3a7e3e", kill_on_drop: false }`
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guard_id` is never read
[INFO] [stderr]   --> src/days/day4.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut guard_id = -1;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GuardAction`
[INFO] [stderr]   --> src/days/day4.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct GuardAction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guard_id` is never read
[INFO] [stderr]   --> src/days/day4.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut guard_id = -1;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GuardAction`
[INFO] [stderr]   --> src/days/day4.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct GuardAction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `infos`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/days/day4.rs:20:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] warning: value assigned to `guard_id` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/days/day4.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut guard_id = -1;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GuardAction`
[INFO] [stderr]   --> src/days/day4.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct GuardAction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guard_id` is never read
[INFO] [stderr]   --> src/days/day4.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut guard_id = -1;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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: 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Guard`
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GuardAction`
[INFO] [stderr]   --> src/days/day4.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct GuardAction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code-9f1958024d01943c
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code-af6c1b9297593d88
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-23c8469eda6e7ae2
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample2 ... ok
[INFO] [stdout] test day2::compute_first_tests::compute_first::first_sample1 ... ok
[INFO] [stdout] test day2::compute_second_tests::compute_second_tests::compute_second_sample1 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample3 ... 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_sample3 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample4 ... 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] [stderr] error: test failed, to rerun pass '--test lib'
[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
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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 B
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char D
[INFO] [stdout] current_char A
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[INFO] [stdout] current_char b
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[INFO] [stdout] current_char c
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[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
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
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[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char c
[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] thread 'day5::compute_first_tests::compute_first::compute_first_sample1' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `10`,
[INFO] [stdout]  right: `0`', tests/day5/compute_first_tests.rs:14:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55a164e25260 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55a164e25260 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55a164e25260 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55a164e25260 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55a164e4810c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55a164d79fe5 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55a164e1ffd1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55a164e276e0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55a164e276e0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55a164e276e0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55a164e273d6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55a164e27d43 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55a164e27919 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55a164e256ec - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55a164e278d9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55a164e2788b - std::panicking::begin_panic_fmt::hc1b1320af38b7e12
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:429
[INFO] [stdout]   16:     0x55a164d785b9 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::h51548de3e8246c1d
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:14
[INFO] [stdout]   17:     0x55a164d7835a - lib::day5::compute_first_tests::compute_first::compute_first_sample1::{{closure}}::h070808e8685a24e2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:9
[INFO] [stdout]   18:     0x55a164d777be - core::ops::function::FnOnce::call_once::hb9df0e07b48e573f
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x55a164da28c3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x55a164da28c3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   21:     0x55a164da0d93 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x55a164da0d93 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x55a164da0d93 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   24:     0x55a164da0d93 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   25:     0x55a164da0d93 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   26:     0x55a164da0d93 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   27:     0x55a164da0d93 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   28:     0x55a164d79416 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x55a164d7e645 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   30:     0x55a164d7e645 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x55a164d7e645 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   32:     0x55a164d7e645 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   33:     0x55a164d7e645 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   34:     0x55a164d7e645 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   35:     0x55a164d7e645 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x55a164e2e4fa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x55a164e2e4fa - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x55a164e2e4fa - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7f248cc5f609 - start_thread
[INFO] [stdout]   40:     0x7f248cb6b103 - clone
[INFO] [stdout]   41:                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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "62b99eb5163c971c29dbdd798cac92388f5608e8bb32141669e03415ff3a7e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b99eb5163c971c29dbdd798cac92388f5608e8bb32141669e03415ff3a7e3e", kill_on_drop: false }`
[INFO] [stdout] 62b99eb5163c971c29dbdd798cac92388f5608e8bb32141669e03415ff3a7e3e
