[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] checking HakanPayat/file_shorten against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHakanPayat%2Ffile_shorten" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HakanPayat/file_shorten on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c46c78e691b833b5537b01e8665cd8731efd231f72e7b3d4c1f53667f292b719
[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" "c46c78e691b833b5537b01e8665cd8731efd231f72e7b3d4c1f53667f292b719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c46c78e691b833b5537b01e8665cd8731efd231f72e7b3d4c1f53667f292b719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46c78e691b833b5537b01e8665cd8731efd231f72e7b3d4c1f53667f292b719", kill_on_drop: false }`
[INFO] [stdout] c46c78e691b833b5537b01e8665cd8731efd231f72e7b3d4c1f53667f292b719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be1a69be792815a3590e251e404c03c6dac235414ea4960ec4e5d89250c7dcf
[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" "5be1a69be792815a3590e251e404c03c6dac235414ea4960ec4e5d89250c7dcf", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "5be1a69be792815a3590e251e404c03c6dac235414ea4960ec4e5d89250c7dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be1a69be792815a3590e251e404c03c6dac235414ea4960ec4e5d89250c7dcf", kill_on_drop: false }`
[INFO] [stdout] 5be1a69be792815a3590e251e404c03c6dac235414ea4960ec4e5d89250c7dcf