[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] checking sdunifon/AOC-day_5_supply_stacks against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdunifon%2FAOC-day_5_supply_stacks" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdunifon/AOC-day_5_supply_stacks on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "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-5-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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 375f894e6be8a4fa70640abea9ff6a1c6ff237ad37e4325e2f16705c906d8921
[INFO] running `Command { std: "docker" "start" "-a" "375f894e6be8a4fa70640abea9ff6a1c6ff237ad37e4325e2f16705c906d8921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "375f894e6be8a4fa70640abea9ff6a1c6ff237ad37e4325e2f16705c906d8921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375f894e6be8a4fa70640abea9ff6a1c6ff237ad37e4325e2f16705c906d8921", kill_on_drop: false }`
[INFO] [stdout] 375f894e6be8a4fa70640abea9ff6a1c6ff237ad37e4325e2f16705c906d8921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aef0a138d9c66f5a67f89b9f8133374d9486cbe296a2e6f9937fc56d52a7e7c
[INFO] running `Command { std: "docker" "start" "-a" "4aef0a138d9c66f5a67f89b9f8133374d9486cbe296a2e6f9937fc56d52a7e7c", kill_on_drop: false }`
[INFO] [stderr]     Checking pom v3.2.0
[INFO] [stderr]     Checking 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`, and `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: `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`, and `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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "4aef0a138d9c66f5a67f89b9f8133374d9486cbe296a2e6f9937fc56d52a7e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aef0a138d9c66f5a67f89b9f8133374d9486cbe296a2e6f9937fc56d52a7e7c", kill_on_drop: false }`
[INFO] [stdout] 4aef0a138d9c66f5a67f89b9f8133374d9486cbe296a2e6f9937fc56d52a7e7c