[INFO] updating cached repository https://github.com/Somnid/code-crackers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f86147253a6de97f1ed073f1ee3d3984cbe78661
[INFO] checking Somnid/code-crackers against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSomnid%2Fcode-crackers" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Somnid/code-crackers on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Somnid/code-crackers
[INFO] finished tweaking git repo https://github.com/Somnid/code-crackers
[INFO] tweaked toml for git repo https://github.com/Somnid/code-crackers written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Somnid/code-crackers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddb25c14fb1481ec0b395ea7b8bedb61a76d01fb5fc465c1d77d3c177dea143e
[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" "ddb25c14fb1481ec0b395ea7b8bedb61a76d01fb5fc465c1d77d3c177dea143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb25c14fb1481ec0b395ea7b8bedb61a76d01fb5fc465c1d77d3c177dea143e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb25c14fb1481ec0b395ea7b8bedb61a76d01fb5fc465c1d77d3c177dea143e", kill_on_drop: false }`
[INFO] [stdout] ddb25c14fb1481ec0b395ea7b8bedb61a76d01fb5fc465c1d77d3c177dea143e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] 14817e2807589ceb8b106de2bd0559521ccbc2d74c31330bab45accbb40702a3
[INFO] running `Command { std: "docker" "start" "-a" "14817e2807589ceb8b106de2bd0559521ccbc2d74c31330bab45accbb40702a3", kill_on_drop: false }`
[INFO] [stderr]     Checking code-crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_bit_size`
[INFO] [stdout]  --> src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_bit_size(num: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_fixed_binary_vec`
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn to_fixed_binary_vec(num: u32, bit_size: u32) -> Vec<bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_least_sum`
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn get_least_sum(input: Vec<i32>, set_pattern: Vec<bool>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_least_sum_sets`
[INFO] [stdout]   --> src/lib.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn get_least_sum_sets(input: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "14817e2807589ceb8b106de2bd0559521ccbc2d74c31330bab45accbb40702a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14817e2807589ceb8b106de2bd0559521ccbc2d74c31330bab45accbb40702a3", kill_on_drop: false }`
[INFO] [stdout] 14817e2807589ceb8b106de2bd0559521ccbc2d74c31330bab45accbb40702a3