[INFO] cloning repository https://github.com/msathis/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msathis/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsathis%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsathis%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8b112fb686cb763c7af341e7ff2c03431fd390a
[INFO] checking msathis/advent-of-code-2020 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsathis%2Fadvent-of-code-2020" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msathis/advent-of-code-2020 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/msathis/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/msathis/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/msathis/advent-of-code-2020 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/msathis/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded parse-display v0.4.0
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded parse-display-derive v0.4.0
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] [stderr]   Downloaded tokio v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 140726d4623158cce7277e49a8c1887e19af2f7307a21fbc775eff8f75b99dab
[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" "140726d4623158cce7277e49a8c1887e19af2f7307a21fbc775eff8f75b99dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "140726d4623158cce7277e49a8c1887e19af2f7307a21fbc775eff8f75b99dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140726d4623158cce7277e49a8c1887e19af2f7307a21fbc775eff8f75b99dab", kill_on_drop: false }`
[INFO] [stdout] 140726d4623158cce7277e49a8c1887e19af2f7307a21fbc775eff8f75b99dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f59971d30f1497f88f43efd809152e35d91fb33fd1a1a475650b9a07e8b28dd7
[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" "f59971d30f1497f88f43efd809152e35d91fb33fd1a1a475650b9a07e8b28dd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling parse-display-derive v0.4.0
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking parse-display v0.4.0
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::aoc::utils::Solution`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::aoc::utils::Solution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display as PDisplay`, `FromStr as PFromStr`
[INFO] [stdout]  --> src/aoc/day3/mod.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parse_display::{Display as PDisplay, FromStr as PFromStr};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp::min`, `error::Error`
[INFO] [stdout]  --> src/aoc/day3/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{error::Error, cmp::min};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::aoc::utils::Solution`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::aoc::utils::Solution;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display as PDisplay`, `FromStr as PFromStr`
[INFO] [stdout]  --> src/aoc/day3/mod.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parse_display::{Display as PDisplay, FromStr as PFromStr};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cmp::min`, `error::Error`
[INFO] [stdout]  --> src/aoc/day3/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{error::Error, cmp::min};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/aoc/day1/mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn part1() -> String {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/aoc/day1/mod.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub async fn part2() -> String {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/aoc/day2/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn part1() -> String {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/aoc/day2/mod.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub async fn part2() -> String {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_password_rules`
[INFO] [stdout]   --> src/aoc/day2/mod.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_password_rules(input: Vec<String>) -> Result<Vec<PasswordRule>, impl Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/aoc/day3/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn part1() -> String {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/aoc/utils.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(path: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/aoc/utils.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub async fn read(&self) -> Vec<String> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/aoc/day1/mod.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub async fn part1() -> String {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/aoc/day1/mod.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub async fn part2() -> String {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/aoc/day2/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn part1() -> String {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[INFO] [stdout]   --> src/aoc/day2/mod.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub async fn part2() -> String {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_password_rules`
[INFO] [stdout]   --> src/aoc/day2/mod.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_password_rules(input: Vec<String>) -> Result<Vec<PasswordRule>, impl Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]  --> src/aoc/day3/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn part1() -> String {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/aoc/utils.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(path: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/aoc/utils.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub async fn read(&self) -> Vec<String> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/aoc/utils.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         file.read_to_string(&mut buf).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/aoc/utils.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         file.read_to_string(&mut buf).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/aoc/utils.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         file.read_to_string(&mut buf).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/aoc/utils.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         file.read_to_string(&mut buf).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "f59971d30f1497f88f43efd809152e35d91fb33fd1a1a475650b9a07e8b28dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59971d30f1497f88f43efd809152e35d91fb33fd1a1a475650b9a07e8b28dd7", kill_on_drop: false }`
[INFO] [stdout] f59971d30f1497f88f43efd809152e35d91fb33fd1a1a475650b9a07e8b28dd7