[INFO] cloning repository https://github.com/bgillespie/AdventOfCode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bgillespie/AdventOfCode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2FAdventOfCode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2FAdventOfCode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42cad5347b1c1473d88ce8de266f6cf4c309e2ee
[INFO] checking bgillespie/AdventOfCode2019 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2FAdventOfCode2019" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bgillespie/AdventOfCode2019
[INFO] finished tweaking git repo https://github.com/bgillespie/AdventOfCode2019
[INFO] tweaked toml for git repo https://github.com/bgillespie/AdventOfCode2019 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bgillespie/AdventOfCode2019 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bgillespie/AdventOfCode2019 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a413853cc6f0c87d0870cb5fa5b809e556c811a1e8dc0f4d4720081e1bf69315
[INFO] running `Command { std: "docker" "start" "-a" "a413853cc6f0c87d0870cb5fa5b809e556c811a1e8dc0f4d4720081e1bf69315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a413853cc6f0c87d0870cb5fa5b809e556c811a1e8dc0f4d4720081e1bf69315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a413853cc6f0c87d0870cb5fa5b809e556c811a1e8dc0f4d4720081e1bf69315", kill_on_drop: false }`
[INFO] [stdout] a413853cc6f0c87d0870cb5fa5b809e556c811a1e8dc0f4d4720081e1bf69315
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f095505ab6fe9e6792ce5ca4c534025fe170a0b1dce4c7c45a9141622a6bc03
[INFO] running `Command { std: "docker" "start" "-a" "0f095505ab6fe9e6792ce5ca4c534025fe170a0b1dce4c7c45a9141622a6bc03", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir/aoc2019)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> aoc2019/src/common.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut br = io::BufReader::new(file);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> aoc2019/src/common.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut br = io::BufReader::new(file);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `andidx` is never read
[INFO] [stdout]    --> aoc2019/src/day10.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut andidx: usize = 0;
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F32_RAD_TO_DEG` is never used
[INFO] [stdout]  --> aoc2019/src/common.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const F32_RAD_TO_DEG: f32 = 180f32 / std::f32::consts::PI;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> aoc2019/src/common.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     IoError(io::Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     IoError(io::Error),
[INFO] [stdout] 16 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_to_input` is never used
[INFO] [stdout]   --> aoc2019/src/common.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn path_to_input(day: &str) -> Result<PathBuf,Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `data_file_to_string` is never used
[INFO] [stdout]   --> aoc2019/src/common.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn data_file_to_string(day: &str, file: &str) -> Result<String, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]   --> aoc2019/src/common.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn gcd(mut m: isize, mut n: isize) -> isize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Intcode` is never constructed
[INFO] [stdout]  --> aoc2019/src/intcode.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Intcode<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read`, and `run` are never used
[INFO] [stdout]   --> aoc2019/src/intcode.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl<'a> Intcode<'a> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout]  7 |     pub fn new(tape: &'a mut Vec<isize>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn read(&mut self, mode: isize) -> isize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn run(&'a mut self, mut input: isize) -> isize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> aoc2019/src/common.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Ok(val) => Ok(PathBuf::from_str(&val).unwrap())
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> aoc2019/src/common.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let day_path = PathBuf::from_str(day).unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> aoc2019/src/common.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let file_path = PathBuf::from_str(file).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2019` (lib) due to 3 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `andidx` is never read
[INFO] [stdout]    --> aoc2019/src/day10.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 |     let mut andidx: usize = 0;
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `F32_RAD_TO_DEG` is never used
[INFO] [stdout]  --> aoc2019/src/common.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const F32_RAD_TO_DEG: f32 = 180f32 / std::f32::consts::PI;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> aoc2019/src/common.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     IoError(io::Error),
[INFO] [stdout]    |     ------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     IoError(io::Error),
[INFO] [stdout] 16 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path_to_input` is never used
[INFO] [stdout]   --> aoc2019/src/common.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn path_to_input(day: &str) -> Result<PathBuf,Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `data_file_to_string` is never used
[INFO] [stdout]   --> aoc2019/src/common.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn data_file_to_string(day: &str, file: &str) -> Result<String, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]   --> aoc2019/src/common.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn gcd(mut m: isize, mut n: isize) -> isize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> aoc2019/src/common.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         Ok(val) => Ok(PathBuf::from_str(&val).unwrap())
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> aoc2019/src/common.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let day_path = PathBuf::from_str(day).unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> aoc2019/src/common.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let file_path = PathBuf::from_str(file).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2019` (lib test) due to 3 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0f095505ab6fe9e6792ce5ca4c534025fe170a0b1dce4c7c45a9141622a6bc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f095505ab6fe9e6792ce5ca4c534025fe170a0b1dce4c7c45a9141622a6bc03", kill_on_drop: false }`
[INFO] [stdout] 0f095505ab6fe9e6792ce5ca4c534025fe170a0b1dce4c7c45a9141622a6bc03
