[INFO] cloning repository https://github.com/Sundin/aoc_2019_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sundin/aoc_2019_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2019_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2019_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f0b1a85bfd0c7b0a5ea8c61164a97515439d40
[INFO] checking Sundin/aoc_2019_rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSundin%2Faoc_2019_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sundin/aoc_2019_rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sundin/aoc_2019_rust
[INFO] finished tweaking git repo https://github.com/Sundin/aoc_2019_rust
[INFO] tweaked toml for git repo https://github.com/Sundin/aoc_2019_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Sundin/aoc_2019_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 438f8097122904f0127ce46e20e434d00250d74a6225ed085c634e11c0fa3c12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "438f8097122904f0127ce46e20e434d00250d74a6225ed085c634e11c0fa3c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "438f8097122904f0127ce46e20e434d00250d74a6225ed085c634e11c0fa3c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438f8097122904f0127ce46e20e434d00250d74a6225ed085c634e11c0fa3c12", kill_on_drop: false }`
[INFO] [stdout] 438f8097122904f0127ce46e20e434d00250d74a6225ed085c634e11c0fa3c12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77edcec6a13f4a967bf3d528581930630f9e0d4b650d9fd26b569f41b5c159a4
[INFO] running `Command { std: "docker" "start" "-a" "77edcec6a13f4a967bf3d528581930630f9e0d4b650d9fd26b569f41b5c159a4", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc_2019_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_total_fuel`
[INFO] [stdout]  --> src/fuel.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_total_fuel(contents: &str) -> 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: `get_total_fuel_recursive`
[INFO] [stdout]   --> src/fuel.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn get_total_fuel_recursive(contents: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_number`
[INFO] [stdout]   --> src/fuel.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn to_number(line: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_fuel_requirements`
[INFO] [stdout]   --> src/fuel.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_fuel_requirements(mass: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_fuel_requirements_recursive`
[INFO] [stdout]   --> src/fuel.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn get_fuel_requirements_recursive(mass: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day1`
[INFO] [stdout]   --> src/lib.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn day1(contents: String) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_total_fuel`
[INFO] [stdout]  --> src/fuel.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_total_fuel(contents: &str) -> 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: `get_total_fuel_recursive`
[INFO] [stdout]   --> src/fuel.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn get_total_fuel_recursive(contents: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day1`
[INFO] [stdout]   --> src/lib.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn day1(contents: String) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "77edcec6a13f4a967bf3d528581930630f9e0d4b650d9fd26b569f41b5c159a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77edcec6a13f4a967bf3d528581930630f9e0d4b650d9fd26b569f41b5c159a4", kill_on_drop: false }`
[INFO] [stdout] 77edcec6a13f4a967bf3d528581930630f9e0d4b650d9fd26b569f41b5c159a4