[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 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triamero/advent-of-code-2018 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb8123dcd76c3437c4e425ed17a794c901f33ee3d9c9c400959e565b366becf3
[INFO] running `Command { std: "docker" "start" "-a" "fb8123dcd76c3437c4e425ed17a794c901f33ee3d9c9c400959e565b366becf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8123dcd76c3437c4e425ed17a794c901f33ee3d9c9c400959e565b366becf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8123dcd76c3437c4e425ed17a794c901f33ee3d9c9c400959e565b366becf3", kill_on_drop: false }`
[INFO] [stdout] fb8123dcd76c3437c4e425ed17a794c901f33ee3d9c9c400959e565b366becf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e47e7b61ff46b52da1387b52fecd18e4b161bffc44bbff2c1ca3b7087d41c1
[INFO] running `Command { std: "docker" "start" "-a" "c5e47e7b61ff46b52da1387b52fecd18e4b161bffc44bbff2c1ca3b7087d41c1", 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: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:17
[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:22:17
[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)]` 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)]` 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:19:17
[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)]` 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: 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/nightly/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)]` 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:17
[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:22:17
[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)]` 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)]` 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:19:17
[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)]` 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: 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/nightly/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)]` 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `Command { std: "docker" "inspect" "c5e47e7b61ff46b52da1387b52fecd18e4b161bffc44bbff2c1ca3b7087d41c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e47e7b61ff46b52da1387b52fecd18e4b161bffc44bbff2c1ca3b7087d41c1", kill_on_drop: false }`
[INFO] [stdout] c5e47e7b61ff46b52da1387b52fecd18e4b161bffc44bbff2c1ca3b7087d41c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28bce2f44f8a4eb134db22e2d642605b9e3dcf2422334b0670d9eb9cf0cf3302
[INFO] running `Command { std: "docker" "start" "-a" "28bce2f44f8a4eb134db22e2d642605b9e3dcf2422334b0670d9eb9cf0cf3302", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:17
[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:22:17
[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)]` 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)]` 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:19:17
[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)]` 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: 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/nightly/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)]` 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:17
[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:22:17
[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)]` 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)]` 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:19:17
[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)]` 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: 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/nightly/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)]` 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: 10 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:20:17
[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:22:17
[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)]` 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)]` 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:19:17
[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: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:17
[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:22:17
[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)]` 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)]` 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: 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)]` 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: 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/nightly/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)]` 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 `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:17
[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)]` 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: 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/nightly/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)]` 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "28bce2f44f8a4eb134db22e2d642605b9e3dcf2422334b0670d9eb9cf0cf3302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bce2f44f8a4eb134db22e2d642605b9e3dcf2422334b0670d9eb9cf0cf3302", kill_on_drop: false }`
[INFO] [stdout] 28bce2f44f8a4eb134db22e2d642605b9e3dcf2422334b0670d9eb9cf0cf3302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 269a6aaa72e36ed92fad9ba2109ce37109dc8074bf333c4535d4fd45a9f94d39
[INFO] running `Command { std: "docker" "start" "-a" "269a6aaa72e36ed92fad9ba2109ce37109dc8074bf333c4535d4fd45a9f94d39", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `infos`
[INFO] [stderr]   --> src/days/day4.rs:20:17
[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:22:17
[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)]` on by default
[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: 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:19:17
[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)]` 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: 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/nightly/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)]` 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: 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: `advent_of_code` (test "lib") generated 1 warning (run `cargo fix --test "lib"` to apply 1 suggestion)
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code" test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code") generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: `advent_of_code` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code-76e3c61f229158f4)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code-f75e9e8d94d4246b)
[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-9fab2e24b8172b44)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[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 day2::compute_first_tests::compute_first::first_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 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 day2::compute_second_tests::compute_second_tests::compute_second_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
[INFO] [stdout] current_char A
[INFO] [stdout] added
[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
[INFO] [stdout] current_char B
[INFO] [stdout] added
[INFO] [stdout] current_char A
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
[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 D
[INFO] [stdout] current_char A
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] current_char b
[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] added
[INFO] [stdout] current_char B
[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 c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[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
[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 c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[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 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:     0x563c03881606 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x563c03881606 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563c03881606 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x563c03881606 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563c038aa890 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563c038aa890 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x563c0387f06f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x563c038813e4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563c038813e4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563c03883157 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x563c03882e3d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563c0380ed47 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x563c0380ed47 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563c03883776 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x563c03883776 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563c038834c2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563c03881b06 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x563c03883220 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563c037d7d35 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563c037d807b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x563c0385abce - core::panicking::assert_failed::h97b9834c6a244617
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x563c037da3a3 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::h42313ea4620f6634
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:14:9
[INFO] [stdout]   22:     0x563c037da267 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::{{closure}}::ha906fa58fcbd5e28
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:9:31
[INFO] [stdout]   23:     0x563c037d8a66 - core::ops::function::FnOnce::call_once::hb99fff1605978abd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x563c0381461f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x563c0381461f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x563c038133a1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x563c038133a1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x563c038133a1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x563c038133a1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x563c038133a1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x563c038133a1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x563c038133a1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x563c037da6d6 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x563c037da6d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x563c037df737 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x563c037df737 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x563c037df737 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x563c037df737 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x563c037df737 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x563c037df737 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x563c037df737 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x563c03888225 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x563c03888225 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x563c03888225 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ff8776e9ac3 - <unknown>
[INFO] [stdout]   46:     0x7ff87777abf4 - __clone
[INFO] [stdout]   47:                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 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "269a6aaa72e36ed92fad9ba2109ce37109dc8074bf333c4535d4fd45a9f94d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269a6aaa72e36ed92fad9ba2109ce37109dc8074bf333c4535d4fd45a9f94d39", kill_on_drop: false }`
[INFO] [stdout] 269a6aaa72e36ed92fad9ba2109ce37109dc8074bf333c4535d4fd45a9f94d39
