[INFO] cloning repository https://github.com/letieu/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/letieu/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletieu%2Fadventofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletieu%2Fadventofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd7379382fcc82835c209baaa65ef9647f83a08c
[INFO] testing letieu/adventofcode against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletieu%2Fadventofcode" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/letieu/adventofcode
[INFO] finished tweaking git repo https://github.com/letieu/adventofcode
[INFO] tweaked toml for git repo https://github.com/letieu/adventofcode written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/letieu/adventofcode on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/letieu/adventofcode 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3f53bb33f3a48245d2ddcb8d4d1473a345a9f3b45a7411386bcd205c7cf423a
[INFO] running `Command { std: "docker" "start" "-a" "e3f53bb33f3a48245d2ddcb8d4d1473a345a9f3b45a7411386bcd205c7cf423a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3f53bb33f3a48245d2ddcb8d4d1473a345a9f3b45a7411386bcd205c7cf423a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f53bb33f3a48245d2ddcb8d4d1473a345a9f3b45a7411386bcd205c7cf423a", kill_on_drop: false }`
[INFO] [stdout] e3f53bb33f3a48245d2ddcb8d4d1473a345a9f3b45a7411386bcd205c7cf423a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383c37e46ee730d333e8f990efd2d35d6912b6affbf64ffd7866828ccf92fce0
[INFO] running `Command { std: "docker" "start" "-a" "383c37e46ee730d333e8f990efd2d35d6912b6affbf64ffd7866828ccf92fce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]  --> src/day2.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Shape {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]   --> src/day2.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Result {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_score` is never used
[INFO] [stdout]   --> src/day2.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn calculate_score(me: Shape, competitor: Shape) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape_score` is never used
[INFO] [stdout]   --> src/day2.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn get_shape_score(shape: &Shape) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape_by_char` is never used
[INFO] [stdout]   --> src/day2.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_shape_by_char(c: char) -> Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_result_by_char` is never used
[INFO] [stdout]   --> src/day2.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_result_by_char(c: char) -> Result {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape_by_result` is never used
[INFO] [stdout]   --> src/day2.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_shape_by_result(competitor: Shape, result: &Result) -> Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_result` is never used
[INFO] [stdout]   --> src/day2.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn get_result(me: Shape, competitor: Shape) -> Result {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/day2.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_two_part` is never used
[INFO] [stdout]   --> src/day3.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn split_two_part(line: &str) -> (Vec<char>, Vec<char>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_duplicate` is never used
[INFO] [stdout]   --> src/day3.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn find_duplicate(line: &str) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_find_duplicate_in_group_2` is never used
[INFO] [stdout]    --> src/day3.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn test_find_duplicate_in_group_2() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "383c37e46ee730d333e8f990efd2d35d6912b6affbf64ffd7866828ccf92fce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383c37e46ee730d333e8f990efd2d35d6912b6affbf64ffd7866828ccf92fce0", kill_on_drop: false }`
[INFO] [stdout] 383c37e46ee730d333e8f990efd2d35d6912b6affbf64ffd7866828ccf92fce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3f7582855fc6e75f4d9ac5f628ecdd347d129714e79f327031830715e04d74
[INFO] running `Command { std: "docker" "start" "-a" "7c3f7582855fc6e75f4d9ac5f628ecdd347d129714e79f327031830715e04d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/day3.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let (a, b) = split_two_part("abcde");
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/day3.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let (a, b) = split_two_part("abcde");
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape_by_char` is never used
[INFO] [stdout]   --> src/day2.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_shape_by_char(c: char) -> Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_result_by_char` is never used
[INFO] [stdout]   --> src/day2.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_result_by_char(c: char) -> Result {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape_by_result` is never used
[INFO] [stdout]   --> src/day2.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_shape_by_result(competitor: Shape, result: &Result) -> Shape {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/day2.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_find_duplicate_in_group_2` is never used
[INFO] [stdout]    --> src/day3.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn test_find_duplicate_in_group_2() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "7c3f7582855fc6e75f4d9ac5f628ecdd347d129714e79f327031830715e04d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3f7582855fc6e75f4d9ac5f628ecdd347d129714e79f327031830715e04d74", kill_on_drop: false }`
[INFO] [stdout] 7c3f7582855fc6e75f4d9ac5f628ecdd347d129714e79f327031830715e04d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 459e5cb77cc8ff8cf30c67944b44816dad344518e22e5cd3ded2f7fa16d50fc6
[INFO] running `Command { std: "docker" "start" "-a" "459e5cb77cc8ff8cf30c67944b44816dad344518e22e5cd3ded2f7fa16d50fc6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/day3.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let (a, b) = split_two_part("abcde");
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/day3.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let (a, b) = split_two_part("abcde");
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/day1.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn main() {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_shape_by_char` is never used
[INFO] [stderr]   --> src/day2.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn get_shape_by_char(c: char) -> Shape {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_result_by_char` is never used
[INFO] [stderr]   --> src/day2.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn get_result_by_char(c: char) -> Result {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_shape_by_result` is never used
[INFO] [stderr]   --> src/day2.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn get_shape_by_result(competitor: Shape, result: &Result) -> Shape {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]    --> src/day2.rs:125:8
[INFO] [stderr]     |
[INFO] [stderr] 125 | pub fn main() {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_find_duplicate_in_group_2` is never used
[INFO] [stderr]    --> src/day3.rs:115:4
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn test_find_duplicate_in_group_2() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode` (bin "adventofcode" test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/adventofcode-8adf61697827fbc9)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test day2::test_loose ... ok
[INFO] [stdout] test day2::test_win ... ok
[INFO] [stdout] test day3::test_find_duplicate_in_group_1 ... ok
[INFO] [stdout] test day3::test_get_item_priority ... ok
[INFO] [stdout] test day2::test_draw ... ok
[INFO] [stdout] test day3::test_split_string ... ok
[INFO] [stdout] test day2::test_score ... ok
[INFO] [stdout] test day3::test_find_duplicate ... ok
[INFO] [stdout] test day3::test_find_duplicate_panic - should panic ... ok
[INFO] [stdout] test day3::test_split_string_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "459e5cb77cc8ff8cf30c67944b44816dad344518e22e5cd3ded2f7fa16d50fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459e5cb77cc8ff8cf30c67944b44816dad344518e22e5cd3ded2f7fa16d50fc6", kill_on_drop: false }`
[INFO] [stdout] 459e5cb77cc8ff8cf30c67944b44816dad344518e22e5cd3ded2f7fa16d50fc6