[INFO] cloning repository https://github.com/abrassel/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abrassel/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea7a399d7b8cd19370aa01b20e4f3cbb40d1ac23
[INFO] checking abrassel/aoc against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrassel%2Faoc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abrassel/aoc
[INFO] finished tweaking git repo https://github.com/abrassel/aoc
[INFO] tweaked toml for git repo https://github.com/abrassel/aoc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abrassel/aoc on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abrassel/aoc 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" "+011c518242557d21690f7936b5812318dc2fec47" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.22.23
[INFO] [stderr]   Downloaded indexmap v2.7.1
[INFO] [stderr]   Downloaded strum v0.27.0
[INFO] [stderr]   Downloaded strum_macros v0.27.0
[INFO] [stderr]   Downloaded anyhow v1.0.95
[INFO] [stderr]   Downloaded derive_more-impl v2.0.1
[INFO] [stderr]   Downloaded fraction v0.15.3
[INFO] [stderr]   Downloaded derive_more v2.0.1
[INFO] [stderr]   Downloaded winnow v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91
[INFO] running `Command { std: "docker" "start" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.7.1
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking strum v0.27.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking fraction v0.15.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling toml_edit v0.22.23
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling strum_macros v0.27.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/year_2019/day_18.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeSet, BinaryHeap, HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `hashmap` and `hashset`
[INFO] [stdout]  --> src/year_2019/day_18.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use maplit::{hashmap, hashset};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/year_2019/day_18.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     maze::{self, Maze},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/year_2019/day_18.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::{BTreeSet, BinaryHeap, HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `hashmap` and `hashset`
[INFO] [stdout]  --> src/year_2019/day_18.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use maplit::{hashmap, hashset};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/year_2019/day_18.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     maze::{self, Maze},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AsciiStdin` is never constructed
[INFO] [stdout]  --> src/program/io.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct AsciiStdin;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]    --> src/year_2019/day_10.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Line(Slope, GenericFraction<i32>);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/year_2019/day_06.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn paths_from_root(&self) -> Path {
[INFO] [stdout]    |                            ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn paths_from_root(&self) -> Path<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `try_blocks` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_intersperse` is declared but not used
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AsciiStdin` is never constructed
[INFO] [stdout]  --> src/program/io.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct AsciiStdin;
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Line` is never constructed
[INFO] [stdout]    --> src/year_2019/day_10.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct Line(Slope, GenericFraction<i32>);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/year_2019/day_06.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn paths_from_root(&self) -> Path {
[INFO] [stdout]    |                            ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn paths_from_root(&self) -> Path<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `try_blocks` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_blocks)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_intersperse` is declared but not used
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.33s
[INFO] running `Command { std: "docker" "inspect" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91", kill_on_drop: false }`
[INFO] [stdout] 0f5c6e8889a7b19a69b77082794ce10b9cba04b32cd883778a3f9436fc7cda91
