[INFO] cloning repository https://github.com/MCYamamoto/rust_study_simple_buttle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MCYamamoto/rust_study_simple_buttle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMCYamamoto%2Frust_study_simple_buttle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMCYamamoto%2Frust_study_simple_buttle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7baa85c3a302afe1709dab6721496b010a601e2b
[INFO] checking MCYamamoto/rust_study_simple_buttle against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMCYamamoto%2Frust_study_simple_buttle" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MCYamamoto/rust_study_simple_buttle on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MCYamamoto/rust_study_simple_buttle
[INFO] finished tweaking git repo https://github.com/MCYamamoto/rust_study_simple_buttle
[INFO] tweaked toml for git repo https://github.com/MCYamamoto/rust_study_simple_buttle written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MCYamamoto/rust_study_simple_buttle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fea0e9218b9ea897180a17479f672807bc51876dbf554b8b743d1771670e2e63
[INFO] running `Command { std: "docker" "start" "-a" "fea0e9218b9ea897180a17479f672807bc51876dbf554b8b743d1771670e2e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea0e9218b9ea897180a17479f672807bc51876dbf554b8b743d1771670e2e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea0e9218b9ea897180a17479f672807bc51876dbf554b8b743d1771670e2e63", kill_on_drop: false }`
[INFO] [stdout] fea0e9218b9ea897180a17479f672807bc51876dbf554b8b743d1771670e2e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d5fd027bf88cf2b6b5c03fa41f920f346423cacc9a8040f8d30239d23f02ee7
[INFO] running `Command { std: "docker" "start" "-a" "5d5fd027bf88cf2b6b5c03fa41f920f346423cacc9a8040f8d30239d23f02ee7", kill_on_drop: false }`
[INFO] [stderr]     Checking rpg_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_def` is never used
[INFO] [stdout]   --> src/service/character.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait Character {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get_def(&self) -> i16 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_def` is never used
[INFO] [stdout]   --> src/service/character.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait Character {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn get_def(&self) -> i16 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "5d5fd027bf88cf2b6b5c03fa41f920f346423cacc9a8040f8d30239d23f02ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5fd027bf88cf2b6b5c03fa41f920f346423cacc9a8040f8d30239d23f02ee7", kill_on_drop: false }`
[INFO] [stdout] 5d5fd027bf88cf2b6b5c03fa41f920f346423cacc9a8040f8d30239d23f02ee7