[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] checking letieu/adventofcode against master#85c39893a761fe4c050523278da4e7e45ab42b6e for pr-134688
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletieu%2Fadventofcode" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/letieu/adventofcode on toolchain 85c39893a761fe4c050523278da4e7e45ab42b6e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[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" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82fe1a6da93b07a18e019ed6a5ae2d8a32176c7a07ea4461462f54c789d02ba5
[INFO] running `Command { std: "docker" "start" "-a" "82fe1a6da93b07a18e019ed6a5ae2d8a32176c7a07ea4461462f54c789d02ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82fe1a6da93b07a18e019ed6a5ae2d8a32176c7a07ea4461462f54c789d02ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fe1a6da93b07a18e019ed6a5ae2d8a32176c7a07ea4461462f54c789d02ba5", kill_on_drop: false }`
[INFO] [stdout] 82fe1a6da93b07a18e019ed6a5ae2d8a32176c7a07ea4461462f54c789d02ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+85c39893a761fe4c050523278da4e7e45ab42b6e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6d01e1e22dc35306e4c2e552c275443150f734c4342724495dcb37b1154f23a
[INFO] running `Command { std: "docker" "start" "-a" "c6d01e1e22dc35306e4c2e552c275443150f734c4342724495dcb37b1154f23a", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c6d01e1e22dc35306e4c2e552c275443150f734c4342724495dcb37b1154f23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d01e1e22dc35306e4c2e552c275443150f734c4342724495dcb37b1154f23a", kill_on_drop: false }`
[INFO] [stdout] c6d01e1e22dc35306e4c2e552c275443150f734c4342724495dcb37b1154f23a