[INFO] cloning repository https://github.com/AugustinLF/advent-of-code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AugustinLF/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAugustinLF%2Fadvent-of-code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAugustinLF%2Fadvent-of-code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f2a4106327c75c83298def54eb210c4ba292478
[INFO] checking AugustinLF/advent-of-code-2019 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAugustinLF%2Fadvent-of-code-2019" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AugustinLF/advent-of-code-2019 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AugustinLF/advent-of-code-2019
[INFO] finished tweaking git repo https://github.com/AugustinLF/advent-of-code-2019
[INFO] tweaked toml for git repo https://github.com/AugustinLF/advent-of-code-2019 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/AugustinLF/advent-of-code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8ecc22baa67297e5eb3af33c9249de187a71bf8e137d54c25188d74c74d27ef
[INFO] running `Command { std: "docker" "start" "-a" "a8ecc22baa67297e5eb3af33c9249de187a71bf8e137d54c25188d74c74d27ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8ecc22baa67297e5eb3af33c9249de187a71bf8e137d54c25188d74c74d27ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ecc22baa67297e5eb3af33c9249de187a71bf8e137d54c25188d74c74d27ef", kill_on_drop: false }`
[INFO] [stdout] a8ecc22baa67297e5eb3af33c9249de187a71bf8e137d54c25188d74c74d27ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f04a818cd4e751881a3b340752527a52c76f1d9dd44a6c5d14a8757f9d28370e
[INFO] running `Command { std: "docker" "start" "-a" "f04a818cd4e751881a3b340752527a52c76f1d9dd44a6c5d14a8757f9d28370e", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `exercise_1`
[INFO] [stdout]  --> src/ex1.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn exercise_1() -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exercise_1_2`
[INFO] [stdout]   --> src/ex1.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn exercise_1_2() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compensate_for_fuel`
[INFO] [stdout]   --> src/ex1.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn compensate_for_fuel(mass: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_fuel_for_mass`
[INFO] [stdout]   --> src/ex1.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_fuel_for_mass(mass: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_map`
[INFO] [stdout]  --> src/ex2.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_map(string: &str) ->(i8, HashMap<i8, i32>) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_at_index`
[INFO] [stdout]   --> src/ex2.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_at_index(map: &HashMap<i8, i32>, index: i8) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `AssociatedValues`
[INFO] [stdout]   --> src/ex2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct AssociatedValues {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_associated_values`
[INFO] [stdout]   --> src/ex2.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn get_associated_values(index: i8, map: &HashMap<i8, i32>) -> AssociatedValues {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterate_and_update`
[INFO] [stdout]   --> src/ex2.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn iterate_and_update(mut map: HashMap<i8, i32>, size: i8) -> HashMap<i8, i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_to_string`
[INFO] [stdout]   --> src/ex2.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn string_to_string(string: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_first_from_string`
[INFO] [stdout]   --> src/ex2.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn find_first_from_string(string: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exercise_2_1`
[INFO] [stdout]   --> src/ex2.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn exercise_2_1()-> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f04a818cd4e751881a3b340752527a52c76f1d9dd44a6c5d14a8757f9d28370e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04a818cd4e751881a3b340752527a52c76f1d9dd44a6c5d14a8757f9d28370e", kill_on_drop: false }`
[INFO] [stdout] f04a818cd4e751881a3b340752527a52c76f1d9dd44a6c5d14a8757f9d28370e