[INFO] cloning repository https://github.com/daniel-goldstein/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/daniel-goldstein/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63121c61753505c63b1442b1f48e2e2ad16075a1
[INFO] checking daniel-goldstein/advent-of-code-2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-goldstein%2Fadvent-of-code-2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daniel-goldstein/advent-of-code-2020 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daniel-goldstein/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/daniel-goldstein/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/daniel-goldstein/advent-of-code-2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/daniel-goldstein/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee99c4ddf0c015446947cde714e06133c2610d937f82821cf5e157e999e7240e
[INFO] running `Command { std: "docker" "start" "-a" "ee99c4ddf0c015446947cde714e06133c2610d937f82821cf5e157e999e7240e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee99c4ddf0c015446947cde714e06133c2610d937f82821cf5e157e999e7240e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee99c4ddf0c015446947cde714e06133c2610d937f82821cf5e157e999e7240e", kill_on_drop: false }`
[INFO] [stdout] ee99c4ddf0c015446947cde714e06133c2610d937f82821cf5e157e999e7240e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c9b676f62cba6b18f32ebaa384e194ef9dbef0a680ab6e9e58b57043468b8a
[INFO] running `Command { std: "docker" "start" "-a" "e2c9b676f62cba6b18f32ebaa384e194ef9dbef0a680ab6e9e58b57043468b8a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/day14.rs (2 fixes)
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> src/utils.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighboring_seats`
[INFO] [stdout]   --> src/day11.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/day14.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Program = Vec<MaskProcedure>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Mask`
[INFO] [stdout]  --> src/day14.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Mask = Vec<Option<bool>>; // Wear one!
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MaskProcedure`
[INFO] [stdout]  --> src/day14.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MaskProcedure {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day14.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_input() -> Program {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> src/utils.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighboring_seats`
[INFO] [stdout]   --> src/day11.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/day14.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Program = Vec<MaskProcedure>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Mask`
[INFO] [stdout]  --> src/day14.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Mask = Vec<Option<bool>>; // Wear one!
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MaskProcedure`
[INFO] [stdout]  --> src/day14.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MaskProcedure {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day14.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_input() -> Program {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> src/utils.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighboring_seats`
[INFO] [stdout]   --> src/day11.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/day14.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Program = Vec<MaskProcedure>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Mask`
[INFO] [stdout]  --> src/day14.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Mask = Vec<Option<bool>>; // Wear one!
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MaskProcedure`
[INFO] [stdout]  --> src/day14.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MaskProcedure {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day14.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_input() -> Program {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]   --> src/utils.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn gcd(a: usize, b: usize) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]   --> src/utils.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn lcm(a: usize, b: usize) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighboring_seats`
[INFO] [stdout]   --> src/day11.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn neighboring_seats(seat_chart: &Vec<Vec<char>>, row: usize, col: usize) -> Vec<char> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Program`
[INFO] [stdout]  --> src/day14.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Program = Vec<MaskProcedure>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Mask`
[INFO] [stdout]  --> src/day14.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Mask = Vec<Option<bool>>; // Wear one!
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MaskProcedure`
[INFO] [stdout]  --> src/day14.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct MaskProcedure {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/day14.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn read_input() -> Program {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e2c9b676f62cba6b18f32ebaa384e194ef9dbef0a680ab6e9e58b57043468b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c9b676f62cba6b18f32ebaa384e194ef9dbef0a680ab6e9e58b57043468b8a", kill_on_drop: false }`
[INFO] [stdout] e2c9b676f62cba6b18f32ebaa384e194ef9dbef0a680ab6e9e58b57043468b8a