[INFO] cloning repository https://github.com/fabien-michel/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabien-michel/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabien-michel%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabien-michel%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10eeb0d8f3b3792e61c5acb0d45f017fd63ee0cb
[INFO] testing fabien-michel/advent-of-code-2020 against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabien-michel%2Fadvent-of-code-2020" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fabien-michel/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/fabien-michel/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/fabien-michel/advent-of-code-2020 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fabien-michel/advent-of-code-2020 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fabien-michel/advent-of-code-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" "+1.100.0-beta.1" "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 thread_local v1.0.1
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717
[INFO] running `Command { std: "docker" "start" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", 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" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling aoc_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/days/day04.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         "cm" => (150..=193),
[INFO] [stdout]    |                 ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         "cm" => (150..=193),
[INFO] [stdout] 78 +         "cm" => 150..=193,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/days/day04.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |         "in" => (59..=76),
[INFO] [stdout]    |                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -         "in" => (59..=76),
[INFO] [stdout] 79 +         "in" => 59..=76,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/days/day20_01.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Tile {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 28 |     id: usize,
[INFO] [stdout] 29 |     data: TileData,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ingredient` is never constructed
[INFO] [stdout]   --> src/days/day21.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Ingredient {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/days/day20_01.rs:71:55
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn build_tile_matrix<'a>(all_tiles: &'a Tiles) -> TileMatrix {
[INFO] [stdout]    |                                          --           ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn build_tile_matrix<'a>(all_tiles: &'a Tiles) -> TileMatrix<'a> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/days/day04.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         "cm" => (150..=193),
[INFO] [stdout]    |                 ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         "cm" => (150..=193),
[INFO] [stdout] 78 +         "cm" => 150..=193,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/days/day04.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |         "in" => (59..=76),
[INFO] [stdout]    |                 ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -         "in" => (59..=76),
[INFO] [stdout] 79 +         "in" => 59..=76,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/days/day20_01.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Tile {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 28 |     id: usize,
[INFO] [stdout] 29 |     data: TileData,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ingredient` is never constructed
[INFO] [stdout]   --> src/days/day21.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Ingredient {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/days/day20_01.rs:71:55
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn build_tile_matrix<'a>(all_tiles: &'a Tiles) -> TileMatrix {
[INFO] [stdout]    |                                          --           ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn build_tile_matrix<'a>(all_tiles: &'a Tiles) -> TileMatrix<'a> {
[INFO] [stdout]    |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/days/day04.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |         "cm" => (150..=193),
[INFO] [stderr]    |                 ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 78 -         "cm" => (150..=193),
[INFO] [stderr] 78 +         "cm" => 150..=193,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/days/day04.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         "in" => (59..=76),
[INFO] [stderr]    |                 ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -         "in" => (59..=76),
[INFO] [stderr] 79 +         "in" => 59..=76,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: field `data` is never read
[INFO] [stderr]   --> src/days/day20_01.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Tile {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 28 |     id: usize,
[INFO] [stderr] 29 |     data: TileData,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ingredient` is never constructed
[INFO] [stderr]   --> src/days/day21.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Ingredient {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/days/day20_01.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn build_tile_matrix<'a>(all_tiles: &'a Tiles) -> TileMatrix {
[INFO] [stderr]    |                                          --           ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                          |
[INFO] [stderr]    |                                          the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn build_tile_matrix<'a>(all_tiles: &'a Tiles) -> TileMatrix<'a> {
[INFO] [stderr]    |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc_rust` (bin "aoc_rust" test) generated 5 warnings (run `cargo fix --bin "aoc_rust" -p aoc_rust --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/aoc_rust/6d36ec9fed233190/out/aoc_rust-6d36ec9fed233190)
[INFO] running `Command { std: "docker" "inspect" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717", kill_on_drop: false }`
[INFO] [stdout] ecf5067bd526a223d0d45961dba77503f6ac6d45085fff1bb4ebcfb718e47717
