[INFO] cloning repository https://github.com/wfen/rust-aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfen/rust-aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfen%2Frust-aoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfen%2Frust-aoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37e0d14281524b997bb531d14c1e5012b5dd9229
[INFO] checking wfen/rust-aoc-2020 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfen%2Frust-aoc-2020" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfen/rust-aoc-2020 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wfen/rust-aoc-2020
[INFO] finished tweaking git repo https://github.com/wfen/rust-aoc-2020
[INFO] tweaked toml for git repo https://github.com/wfen/rust-aoc-2020 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wfen/rust-aoc-2020 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded peg v0.8.0
[INFO] [stderr]   Downloaded peg-runtime v0.8.0
[INFO] [stderr]   Downloaded wyz v0.4.0
[INFO] [stderr]   Downloaded funty v1.2.0
[INFO] [stderr]   Downloaded peg-macros v0.8.0
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded bitvec v0.22.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a94535d0efc57835fb7d4e2868fe4b44acc438661e4a99d0390719dcd1a26e6a
[INFO] running `Command { std: "docker" "start" "-a" "a94535d0efc57835fb7d4e2868fe4b44acc438661e4a99d0390719dcd1a26e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94535d0efc57835fb7d4e2868fe4b44acc438661e4a99d0390719dcd1a26e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94535d0efc57835fb7d4e2868fe4b44acc438661e4a99d0390719dcd1a26e6a", kill_on_drop: false }`
[INFO] [stdout] a94535d0efc57835fb7d4e2868fe4b44acc438661e4a99d0390719dcd1a26e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9c49c940fac10369d24424e18d3d7b26e7d70d61b0d392d1c12059d60d61c5
[INFO] running `Command { std: "docker" "start" "-a" "de9c49c940fac10369d24424e18d3d7b26e7d70d61b0d392d1c12059d60d61c5", 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 proc-macro2 v1.0.36
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr]    Compiling peg-runtime v0.8.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stdout] warning: field `ordered_fields` is never read
[INFO] [stdout]   --> day16/src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct FieldMatcher {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 78 |     ordered_fields: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]    --> day16/src/main.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 82  | impl FieldMatcher {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn debug(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ordered_fields` is never read
[INFO] [stdout]   --> day16/src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct FieldMatcher {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 78 |     ordered_fields: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug` is never used
[INFO] [stdout]    --> day16/src/main.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 82  | impl FieldMatcher {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn debug(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]     Checking day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]     Checking day22 v0.1.0 (/opt/rustwide/workdir/day22)
[INFO] [stderr]     Checking day25 v0.1.0 (/opt/rustwide/workdir/day25)
[INFO] [stderr]     Checking day23 v0.1.0 (/opt/rustwide/workdir/day23)
[INFO] [stderr]     Checking day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> day22/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Player {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 7 |     id: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> day22/src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Player {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 7 |     id: u8,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` 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]    Compiling peg-macros v0.8.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]     Checking day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stdout] warning: function `find_variant` is never used
[INFO] [stdout]    --> day08/src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn find_variant(program: &Program) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_variant` is never used
[INFO] [stdout]    --> day08/src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn find_variant(program: &Program) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> day13/src/main.rs:370:18
[INFO] [stdout]     |
[INFO] [stdout] 370 | struct CantSolve(LinearCongruence);
[INFO] [stdout]     |        --------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `CantSolve` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> day13/src/main.rs:370:18
[INFO] [stdout]     |
[INFO] [stdout] 370 | struct CantSolve(LinearCongruence);
[INFO] [stdout]     |        --------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `CantSolve` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking peg v0.8.0
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]     Checking day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stdout] warning: struct `FormattedRules` is never constructed
[INFO] [stdout]   --> day07/src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct FormattedRules<'a>(Rules<'a>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FormattedRules` is never constructed
[INFO] [stdout]   --> day07/src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct FormattedRules<'a>(Rules<'a>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day24 v0.1.0 (/opt/rustwide/workdir/day24)
[INFO] [stderr]     Checking day20 v0.1.0 (/opt/rustwide/workdir/day20)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "de9c49c940fac10369d24424e18d3d7b26e7d70d61b0d392d1c12059d60d61c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9c49c940fac10369d24424e18d3d7b26e7d70d61b0d392d1c12059d60d61c5", kill_on_drop: false }`
[INFO] [stdout] de9c49c940fac10369d24424e18d3d7b26e7d70d61b0d392d1c12059d60d61c5