[INFO] cloning repository https://github.com/wismer/adv2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wismer/adv2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwismer%2Fadv2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwismer%2Fadv2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a22233d5fc26d097818f6a0068f70b016681c967
[INFO] checking wismer/adv2019 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwismer%2Fadv2019" "/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/wismer/adv2019 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wismer/adv2019
[INFO] finished tweaking git repo https://github.com/wismer/adv2019
[INFO] tweaked toml for git repo https://github.com/wismer/adv2019 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wismer/adv2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] 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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbdd2008cd264176e778e80dc8f2d67d8276ca02bc4daf002ff6ecc6dad69985
[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" "bbdd2008cd264176e778e80dc8f2d67d8276ca02bc4daf002ff6ecc6dad69985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbdd2008cd264176e778e80dc8f2d67d8276ca02bc4daf002ff6ecc6dad69985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdd2008cd264176e778e80dc8f2d67d8276ca02bc4daf002ff6ecc6dad69985", kill_on_drop: false }`
[INFO] [stdout] bbdd2008cd264176e778e80dc8f2d67d8276ca02bc4daf002ff6ecc6dad69985
[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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d93981d6e359e4e8124168e428ac3f4a43e6ee1a247d6464f97073a98ed9cba
[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" "1d93981d6e359e4e8124168e428ac3f4a43e6ee1a247d6464f97073a98ed9cba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking advent2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/problem/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_amplifier_output`
[INFO] [stdout]    --> src/problem/day05.rs:380:3
[INFO] [stdout]     |
[INFO] [stdout] 380 |         get_amplifier_output,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/problem/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/problem/day05.rs:363:2
[INFO] [stdout]     |
[INFO] [stdout] 353 | /     loop {
[INFO] [stdout] 354 | |         for phase_setting in phase_settings {
[INFO] [stdout] 355 | |             let input = (*phase_setting, output);
[INFO] [stdout] 356 | |             println!("AMPLIFIER-DATA: {:?}", input);
[INFO] [stdout] ...   |
[INFO] [stdout] 360 | |
[INFO] [stdout] 361 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 362 | 
[INFO] [stdout] 363 |       output
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ymax`
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut ymax = 0;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ymax`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `task_a` is assigned to, but never used
[INFO] [stdout]    --> src/problem/day4.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut task_a = 0;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_task_a` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore_newlines`
[INFO] [stdout]   --> src/problem/day02.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_input(ignore_newlines: bool) -> Vec<isize> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore_newlines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut ymax = 0;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/problem/day4.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut possibilities = 0usize;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/problem/day05.rs:363:2
[INFO] [stdout]     |
[INFO] [stdout] 353 | /     loop {
[INFO] [stdout] 354 | |         for phase_setting in phase_settings {
[INFO] [stdout] 355 | |             let input = (*phase_setting, output);
[INFO] [stdout] 356 | |             println!("AMPLIFIER-DATA: {:?}", input);
[INFO] [stdout] ...   |
[INFO] [stdout] 360 | |
[INFO] [stdout] 361 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 362 | 
[INFO] [stdout] 363 |       output
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ymax`
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut ymax = 0;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ymax`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `task_a` is assigned to, but never used
[INFO] [stdout]    --> src/problem/day4.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut task_a = 0;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_task_a` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ignore_newlines`
[INFO] [stdout]   --> src/problem/day02.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_input(ignore_newlines: bool) -> Vec<isize> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ignore_newlines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_adjacent_units`
[INFO] [stdout]   --> src/problem/day4.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn has_adjacent_units(number: &[u8]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `numbers_are_ascending`
[INFO] [stdout]   --> src/problem/day4.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn numbers_are_ascending(number: &[u8]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `meets_criteria`
[INFO] [stdout]    --> src/problem/day4.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn meets_criteria(number: &[u8]) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]    --> src/problem/day05.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn part_two(value: isize) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]    --> src/problem/day05.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn part_one(value: isize) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_seven_part_two`
[INFO] [stdout]    --> src/problem/day05.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn day_seven_part_two() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_amplifier_output_part_two`
[INFO] [stdout]    --> src/problem/day05.rs:350:4
[INFO] [stdout]     |
[INFO] [stdout] 350 | fn get_amplifier_output_part_two(phase_settings: &[isize], input_data: Vec<isize>, initial_value: isize) -> isize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OPCReader`
[INFO] [stdout]   --> src/problem/day02.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct OPCReader {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problem/day02.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(commands: Vec<isize>) -> OPCReader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_stuff`
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn old_stuff() -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `intersection_point`
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn intersection_point(first_line: &Pathway, second_line: &Pathway) -> Option<Point> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut ymax = 0;
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/problem/day4.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut possibilities = 0usize;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]    --> src/problem/day05.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn part_two(value: isize) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]    --> src/problem/day05.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn part_one(value: isize) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_seven_part_two`
[INFO] [stdout]    --> src/problem/day05.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn day_seven_part_two() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_amplifier_output_part_two`
[INFO] [stdout]    --> src/problem/day05.rs:350:4
[INFO] [stdout]     |
[INFO] [stdout] 350 | fn get_amplifier_output_part_two(phase_settings: &[isize], input_data: Vec<isize>, initial_value: isize) -> isize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `OPCReader`
[INFO] [stdout]   --> src/problem/day02.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct OPCReader {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/problem/day02.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(commands: Vec<isize>) -> OPCReader {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_stuff`
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn old_stuff() -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `intersection_point`
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn intersection_point(first_line: &Pathway, second_line: &Pathway) -> Option<Point> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.39s
[INFO] running `Command { std: "docker" "inspect" "1d93981d6e359e4e8124168e428ac3f4a43e6ee1a247d6464f97073a98ed9cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d93981d6e359e4e8124168e428ac3f4a43e6ee1a247d6464f97073a98ed9cba", kill_on_drop: false }`
[INFO] [stdout] 1d93981d6e359e4e8124168e428ac3f4a43e6ee1a247d6464f97073a98ed9cba