[INFO] cloning repository https://github.com/HakanPayat/file_shorten
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakanPayat%2Ffile_shorten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f7f2aa739f6bf50580ed6d99f9f7f97ca9f994d
[INFO] testing HakanPayat/file_shorten against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakanPayat%2Ffile_shorten" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HakanPayat/file_shorten on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/HakanPayat/file_shorten already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] bbb453a8983e5a8b46c808897b29f723aa7da96bf1478af6e75fa9b1e472d3eb
[INFO] running `Command { std: "docker" "start" "-a" "bbb453a8983e5a8b46c808897b29f723aa7da96bf1478af6e75fa9b1e472d3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbb453a8983e5a8b46c808897b29f723aa7da96bf1478af6e75fa9b1e472d3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb453a8983e5a8b46c808897b29f723aa7da96bf1478af6e75fa9b1e472d3eb", kill_on_drop: false }`
[INFO] [stdout] bbb453a8983e5a8b46c808897b29f723aa7da96bf1478af6e75fa9b1e472d3eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 681a8a48edcec8275f9dd2a080586695378bbc13fef25287439df7a0daaa6782
[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" "681a8a48edcec8275f9dd2a080586695378bbc13fef25287439df7a0daaa6782", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_shorten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> src/main.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn decode(&self, val: u8) -> char {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_vec_u8`
[INFO] [stdout]   --> src/main.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn decode_vec_u8(&self, text: &Vec<u8>) -> Vec<char> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_string`
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn decode_string(&self, text: &Vec<u8>) -> 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 1.54s
[INFO] running `Command { std: "docker" "inspect" "681a8a48edcec8275f9dd2a080586695378bbc13fef25287439df7a0daaa6782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681a8a48edcec8275f9dd2a080586695378bbc13fef25287439df7a0daaa6782", kill_on_drop: false }`
[INFO] [stdout] 681a8a48edcec8275f9dd2a080586695378bbc13fef25287439df7a0daaa6782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1793d59449cb151cc6c08ad99432fe7c5952a86d6fe9ca8463425a0c61280ee9
[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" "1793d59449cb151cc6c08ad99432fe7c5952a86d6fe9ca8463425a0c61280ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling file_shorten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `decode`
[INFO] [stdout]   --> src/main.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn decode(&self, val: u8) -> char {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_vec_u8`
[INFO] [stdout]   --> src/main.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn decode_vec_u8(&self, text: &Vec<u8>) -> Vec<char> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decode_string`
[INFO] [stdout]    --> src/main.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn decode_string(&self, text: &Vec<u8>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "1793d59449cb151cc6c08ad99432fe7c5952a86d6fe9ca8463425a0c61280ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1793d59449cb151cc6c08ad99432fe7c5952a86d6fe9ca8463425a0c61280ee9", kill_on_drop: false }`
[INFO] [stdout] 1793d59449cb151cc6c08ad99432fe7c5952a86d6fe9ca8463425a0c61280ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8a69284e424d7631a770e69b1f0100a1f6a28a486dd3718f3d27048c9fdb94e
[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" "b8a69284e424d7631a770e69b1f0100a1f6a28a486dd3718f3d27048c9fdb94e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `file_shorten` (bin "file_shorten" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/file_shorten-8e9d1e619127c6cd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8a69284e424d7631a770e69b1f0100a1f6a28a486dd3718f3d27048c9fdb94e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a69284e424d7631a770e69b1f0100a1f6a28a486dd3718f3d27048c9fdb94e", kill_on_drop: false }`
[INFO] [stdout] b8a69284e424d7631a770e69b1f0100a1f6a28a486dd3718f3d27048c9fdb94e