[INFO] cloning repository https://github.com/HakanPayat/file_shorten
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HakanPayat/file_shorten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakanPayat%2Ffile_shorten"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakanPayat%2Ffile_shorten'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f7f2aa739f6bf50580ed6d99f9f7f97ca9f994d
[INFO] checking HakanPayat/file_shorten against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakanPayat%2Ffile_shorten" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HakanPayat/file_shorten on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/HakanPayat/file_shorten
[INFO] finished tweaking git repo https://github.com/HakanPayat/file_shorten
[INFO] tweaked toml for git repo https://github.com/HakanPayat/file_shorten written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/HakanPayat/file_shorten already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e74b2a10b0fe573863d9322aedd0361b546b726ca0d8bc2d7a52dfa77a3a951
[INFO] running `"docker" "start" "-a" "4e74b2a10b0fe573863d9322aedd0361b546b726ca0d8bc2d7a52dfa77a3a951"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking file_shorten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `decode`
[INFO] [stderr]   --> src/main.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn decode(&self, val: u8) -> char {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decode_vec_u8`
[INFO] [stderr]   --> src/main.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn decode_vec_u8(&self, text: &Vec<u8>) -> Vec<char> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decode_string`
[INFO] [stderr]    --> src/main.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn decode_string(&self, text: &Vec<u8>) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decode`
[INFO] [stderr]   --> src/main.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn decode(&self, val: u8) -> char {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decode_vec_u8`
[INFO] [stderr]   --> src/main.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn decode_vec_u8(&self, text: &Vec<u8>) -> Vec<char> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `decode_string`
[INFO] [stderr]    --> src/main.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn decode_string(&self, text: &Vec<u8>) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4e74b2a10b0fe573863d9322aedd0361b546b726ca0d8bc2d7a52dfa77a3a951"`
[INFO] running `"docker" "rm" "-f" "4e74b2a10b0fe573863d9322aedd0361b546b726ca0d8bc2d7a52dfa77a3a951"`
[INFO] [stdout] 4e74b2a10b0fe573863d9322aedd0361b546b726ca0d8bc2d7a52dfa77a3a951