[INFO] cloning repository https://github.com/rajputrajat/advent_of_code_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajputrajat/advent_of_code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fadvent_of_code_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fadvent_of_code_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65f139fef160b9bf28094da250afd5a499a1187f
[INFO] checking rajputrajat/advent_of_code_2021 against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fadvent_of_code_2021" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rajputrajat/advent_of_code_2021 on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rajputrajat/advent_of_code_2021
[INFO] finished tweaking git repo https://github.com/rajputrajat/advent_of_code_2021
[INFO] tweaked toml for git repo https://github.com/rajputrajat/advent_of_code_2021 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rajputrajat/advent_of_code_2021 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 623ffb65389a98d716ba14db58a25d81282a9d84cf4a38cf4e935cef35f35bf0
[INFO] running `Command { std: "docker" "start" "-a" "623ffb65389a98d716ba14db58a25d81282a9d84cf4a38cf4e935cef35f35bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623ffb65389a98d716ba14db58a25d81282a9d84cf4a38cf4e935cef35f35bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623ffb65389a98d716ba14db58a25d81282a9d84cf4a38cf4e935cef35f35bf0", kill_on_drop: false }`
[INFO] [stdout] 623ffb65389a98d716ba14db58a25d81282a9d84cf4a38cf4e935cef35f35bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f903ba00d6d44d12fb400a3d5aac431fd52d7d046fce182bf82cb96641ba0d7
[INFO] running `Command { std: "docker" "start" "-a" "1f903ba00d6d44d12fb400a3d5aac431fd52d7d046fce182bf82cb96641ba0d7", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stdout] warning: variant `Closing` is never constructed
[INFO] [stdout]   --> day10/src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum SymbolType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 17 |     Opening(char),
[INFO] [stdout] 18 |     Closing(char),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SymbolType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stdout] warning: variants `Two`, `Three`, `Five`, `Six`, and `Nine` are never constructed
[INFO] [stdout]   --> day8/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Digit {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 25 |     One,
[INFO] [stdout] 26 |     Two,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     Four,
[INFO] [stdout] 29 |     Five,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Six,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     Nine,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Closing` is never constructed
[INFO] [stdout]   --> day10/src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum SymbolType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 17 |     Opening(char),
[INFO] [stdout] 18 |     Closing(char),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SymbolType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]  --> day5/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let lines = parse_input(&text);
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]    --> day5/src/main.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct Row<'r> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Column` is never constructed
[INFO] [stdout]    --> day5/src/main.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Column<'c> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `row` and `column` are never used
[INFO] [stdout]    --> day5/src/main.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl Canvas {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn row(&self, row_index: usize) -> Row {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn column(&self, column_index: usize) -> Column {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]  --> day5/src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let lines = parse_input(&text);
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]    --> day5/src/main.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct Row<'r> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Column` is never constructed
[INFO] [stdout]    --> day5/src/main.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Column<'c> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `row` and `column` are never used
[INFO] [stdout]    --> day5/src/main.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | impl Canvas {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn row(&self, row_index: usize) -> Row {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     fn column(&self, column_index: usize) -> Column {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Two`, `Three`, `Five`, `Six`, and `Nine` are never constructed
[INFO] [stdout]   --> day8/src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Digit {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 25 |     One,
[INFO] [stdout] 26 |     Two,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 28 |     Four,
[INFO] [stdout] 29 |     Five,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Six,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     Nine,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "1f903ba00d6d44d12fb400a3d5aac431fd52d7d046fce182bf82cb96641ba0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f903ba00d6d44d12fb400a3d5aac431fd52d7d046fce182bf82cb96641ba0d7", kill_on_drop: false }`
[INFO] [stdout] 1f903ba00d6d44d12fb400a3d5aac431fd52d7d046fce182bf82cb96641ba0d7