[INFO] cloning repository https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdunifon/AOC-day_5_supply_stacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2FAOC-day_5_supply_stacks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2FAOC-day_5_supply_stacks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ff9384df82919b68aef7c4e43f4862d0959e329
[INFO] testing sdunifon/AOC-day_5_supply_stacks against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2FAOC-day_5_supply_stacks" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdunifon/AOC-day_5_supply_stacks on toolchain ff2c56344c764af598ad33027e9c7a48881808ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] finished tweaking git repo https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] tweaked toml for git repo https://github.com/sdunifon/AOC-day_5_supply_stacks written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sdunifon/AOC-day_5_supply_stacks 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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing sdunifon/AOC-day_5_supply_stacks against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2FAOC-day_5_supply_stacks" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdunifon/AOC-day_5_supply_stacks on toolchain 5e4273472e1b2f223618a9b3def795f6224f241d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] finished tweaking git repo https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] tweaked toml for git repo https://github.com/sdunifon/AOC-day_5_supply_stacks written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sdunifon/AOC-day_5_supply_stacks 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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing sdunifon/AOC-day_5_supply_stacks against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2FAOC-day_5_supply_stacks" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdunifon/AOC-day_5_supply_stacks on toolchain 5e4273472e1b2f223618a9b3def795f6224f241d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] finished tweaking git repo https://github.com/sdunifon/AOC-day_5_supply_stacks
[INFO] tweaked toml for git repo https://github.com/sdunifon/AOC-day_5_supply_stacks written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sdunifon/AOC-day_5_supply_stacks 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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pom v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1f2d7a001f0349791a2c35a2e776297f60bcf64d30257c32b5eb0dd475bccac
[INFO] running `Command { std: "docker" "start" "-a" "e1f2d7a001f0349791a2c35a2e776297f60bcf64d30257c32b5eb0dd475bccac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1f2d7a001f0349791a2c35a2e776297f60bcf64d30257c32b5eb0dd475bccac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f2d7a001f0349791a2c35a2e776297f60bcf64d30257c32b5eb0dd475bccac", kill_on_drop: false }`
[INFO] [stdout] e1f2d7a001f0349791a2c35a2e776297f60bcf64d30257c32b5eb0dd475bccac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e052a80a25ac7cf3e52ed27eaaa87962cbf4af7cab33472c57c4fd4094fd6d4
[INFO] running `Command { std: "docker" "start" "-a" "2e052a80a25ac7cf3e52ed27eaaa87962cbf4af7cab33472c57c4fd4094fd6d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom v3.2.0
[INFO] [stderr]    Compiling day_5_supply_stacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pom::char_class::space`
[INFO] [stdout]  --> src/pom_parse.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pom::char_class::space;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser`, `list`, `one_of`, `sym`
[INFO] [stdout]  --> src/pom_parse.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pom::parser::{one_of, sym, Parser, list};
[INFO] [stdout]   |                   ^^^^^^  ^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Crate`
[INFO] [stdout]   --> src/pom_parse.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use crate::Crate;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pom_parse.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut parser = parse::letter_crate();
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Stack {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pest_parse` is never used
[INFO] [stdout]  --> src/pest_parse.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn pest_parse() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pom_parse` is never used
[INFO] [stdout]  --> src/pom_parse.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn pom_parse() {}
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `box_parser` is never used
[INFO] [stdout]   --> src/pom_parse.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn box_parser(input: &'static str) -> Result<u8, pom::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Letter` and `None` are never constructed
[INFO] [stdout]   --> src/pom_parse.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub enum CrateType {
[INFO] [stdout]    |              --------- variants in this enum
[INFO] [stdout] 14 |     Letter(u8),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space` is never used
[INFO] [stdout]   --> src/pom_parse.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn space() -> Parser<u8, ()> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space_between_columns` is never used
[INFO] [stdout]   --> src/pom_parse.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn space_between_columns() -> Parser<u8, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space_for_blank_crate` is never used
[INFO] [stdout]   --> src/pom_parse.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn space_for_blank_crate() -> Parser<u8, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `no_crate_column` is never used
[INFO] [stdout]   --> src/pom_parse.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn no_crate_column<'a>() ->pom::parser::Parser<'a, u8, u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `letter_crate` is never used
[INFO] [stdout]   --> src/pom_parse.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn letter_crate<'a>() -> Parser< u8, u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `row` is never used
[INFO] [stdout]   --> src/pom_parse.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn row<'a>() -> Parser< u8, Vec<CrateType>>{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crate_spot` is never used
[INFO] [stdout]   --> src/pom_parse.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn crate_spot() -> Parser<u8, CrateType> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `row_end` is never used
[INFO] [stdout]   --> src/pom_parse.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn row_end() -> Parser<u8, u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2e052a80a25ac7cf3e52ed27eaaa87962cbf4af7cab33472c57c4fd4094fd6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e052a80a25ac7cf3e52ed27eaaa87962cbf4af7cab33472c57c4fd4094fd6d4", kill_on_drop: false }`
[INFO] [stdout] 2e052a80a25ac7cf3e52ed27eaaa87962cbf4af7cab33472c57c4fd4094fd6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5aab1bb45d35d89ebd0d42063d1ff6b1a6fe25281b30568e0271c2ad06f4eb4
[INFO] running `Command { std: "docker" "start" "-a" "e5aab1bb45d35d89ebd0d42063d1ff6b1a6fe25281b30568e0271c2ad06f4eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling day_5_supply_stacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/pest_parse.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pom_parse::tests::test_input`
[INFO] [stdout]  --> src/pest_parse.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use crate::pom_parse::tests::test_input;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pom::char_class::space`
[INFO] [stdout]  --> src/pom_parse.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pom::char_class::space;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Parser`, `list`, `one_of`, `sym`
[INFO] [stdout]  --> src/pom_parse.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pom::parser::{one_of, sym, Parser, list};
[INFO] [stdout]   |                   ^^^^^^  ^^^  ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Crate`
[INFO] [stdout]   --> src/pom_parse.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use crate::Crate;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pom_parse`
[INFO] [stdout]   --> src/pom_parse.rs:68:40
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use crate::pom_parse::{box_parser, pom_parse};
[INFO] [stdout]    |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pom::set::Set`
[INFO] [stdout]   --> src/pom_parse.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use pom::set::Set;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pom_parse.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut parser = parse::letter_crate();
[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: `result`
[INFO] [stdout]    --> src/pom_parse.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let result = z;
[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: `str`
[INFO] [stdout]    --> src/pom_parse.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let str = b"     [B] ";
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/pom_parse.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let parser = parse::crate_spot();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `str`
[INFO] [stdout]    --> src/pom_parse.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let str = b"[A] [C]      [D]";
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `azz`
[INFO] [stdout]    --> src/pom_parse.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let azz = parser.parse(str2.as_bytes());
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_azz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/pom_parse.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let output = parser.parse(b);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/pom_parse.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let parser = parse::letter_crate() + parse::no_crate_column() + parse::letter_crate();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/pom_parse.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let a = g.parse(test_input());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Stack {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pest_parse` is never used
[INFO] [stdout]  --> src/pest_parse.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn pest_parse() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pom_parse` is never used
[INFO] [stdout]  --> src/pom_parse.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn pom_parse() {}
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space_between_columns` is never used
[INFO] [stdout]   --> src/pom_parse.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn space_between_columns() -> Parser<u8, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `space_for_blank_crate` is never used
[INFO] [stdout]   --> src/pom_parse.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn space_for_blank_crate() -> Parser<u8, ()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `row_end` is never used
[INFO] [stdout]   --> src/pom_parse.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn row_end() -> Parser<u8, u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "e5aab1bb45d35d89ebd0d42063d1ff6b1a6fe25281b30568e0271c2ad06f4eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5aab1bb45d35d89ebd0d42063d1ff6b1a6fe25281b30568e0271c2ad06f4eb4", kill_on_drop: false }`
[INFO] [stdout] e5aab1bb45d35d89ebd0d42063d1ff6b1a6fe25281b30568e0271c2ad06f4eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a9d6bee063feaad1912ed49f83245b2464df9dfc08889af8d9d9148b9f7abf2
[INFO] running `Command { std: "docker" "start" "-a" "7a9d6bee063feaad1912ed49f83245b2464df9dfc08889af8d9d9148b9f7abf2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/pest_parse.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     use super::*;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::pom_parse::tests::test_input`
[INFO] [stderr]  --> src/pest_parse.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use crate::pom_parse::tests::test_input;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pom::char_class::space`
[INFO] [stderr]  --> src/pom_parse.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use pom::char_class::space;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Parser`, `list`, `one_of`, `sym`
[INFO] [stderr]  --> src/pom_parse.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pom::parser::{one_of, sym, Parser, list};
[INFO] [stderr]   |                   ^^^^^^  ^^^  ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Crate`
[INFO] [stderr]   --> src/pom_parse.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use crate::Crate;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pom_parse`
[INFO] [stderr]   --> src/pom_parse.rs:68:40
[INFO] [stderr]    |
[INFO] [stderr] 68 |     use crate::pom_parse::{box_parser, pom_parse};
[INFO] [stderr]    |                                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pom::set::Set`
[INFO] [stderr]   --> src/pom_parse.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use pom::set::Set;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pom_parse.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut parser = parse::letter_crate();
[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: `result`
[INFO] [stderr]    --> src/pom_parse.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let result = z;
[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: unused variable: `str`
[INFO] [stderr]    --> src/pom_parse.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let str = b"     [B] ";
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> src/pom_parse.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let parser = parse::crate_spot();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `str`
[INFO] [stderr]    --> src/pom_parse.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let str = b"[A] [C]      [D]";
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_str`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `azz`
[INFO] [stderr]    --> src/pom_parse.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let azz = parser.parse(str2.as_bytes());
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_azz`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/pom_parse.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let output = parser.parse(b);
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parser`
[INFO] [stderr]    --> src/pom_parse.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let parser = parse::letter_crate() + parse::no_crate_column() + parse::letter_crate();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/pom_parse.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |         let a = g.parse(test_input());
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Stack` is never constructed
[INFO] [stderr]   --> src/main.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Stack {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `pest_parse` is never used
[INFO] [stderr]  --> src/pest_parse.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn pest_parse() {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pom_parse` is never used
[INFO] [stderr]  --> src/pom_parse.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn pom_parse() {}
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `space_between_columns` is never used
[INFO] [stderr]   --> src/pom_parse.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn space_between_columns() -> Parser<u8, ()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `space_for_blank_crate` is never used
[INFO] [stderr]   --> src/pom_parse.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn space_for_blank_crate() -> Parser<u8, ()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `row_end` is never used
[INFO] [stderr]   --> src/pom_parse.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn row_end() -> Parser<u8, u8> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `day_5_supply_stacks` (bin "day_5_supply_stacks" test) generated 22 warnings (run `cargo fix --bin "day_5_supply_stacks" --tests` to apply 16 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day_5_supply_stacks-3c574b57ae0ec925)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test pom_parse::tests::parset_test ... ok
[INFO] [stdout] test pom_parse::tests::parse_array ... ok
[INFO] [stdout] test pom_parse::tests::test_whole_paser ... ok
[INFO] [stdout] test pom_parse::tests::test_no_crate_column ... ok
[INFO] [stdout] test pom_parse::tests::test_crate_spot ... ok
[INFO] [stdout] test tests::test_crate_display ... ok
[INFO] [stdout] test pom_parse::tests::test_pow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a9d6bee063feaad1912ed49f83245b2464df9dfc08889af8d9d9148b9f7abf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9d6bee063feaad1912ed49f83245b2464df9dfc08889af8d9d9148b9f7abf2", kill_on_drop: false }`
[INFO] [stdout] 7a9d6bee063feaad1912ed49f83245b2464df9dfc08889af8d9d9148b9f7abf2