[INFO] cloning repository VladYermakov/interpreter
[INFO] running `"git" "clone" "--bare" "git://github.com/VladYermakov/interpreter.git" "work/cache/sources/gh/VladYermakov/interpreter"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/VladYermakov/interpreter'...
[INFO] running `"git" "clone" "work/cache/sources/gh/VladYermakov/interpreter" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/VladYermakov/interpreter"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/VladYermakov/interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VladYermakov/interpreter" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/VladYermakov/interpreter"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/VladYermakov/interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7269d722e714f053041e0db8e28d22865cc09fb9
[INFO] sha for GitHub repo VladYermakov/interpreter: 7269d722e714f053041e0db8e28d22865cc09fb9
[INFO] validating manifest of VladYermakov/interpreter on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VladYermakov/interpreter on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VladYermakov/interpreter
[INFO] finished frobbing VladYermakov/interpreter
[INFO] frobbed toml for VladYermakov/interpreter written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/VladYermakov/interpreter/Cargo.toml
[INFO] started frobbing VladYermakov/interpreter
[INFO] finished frobbing VladYermakov/interpreter
[INFO] frobbed toml for VladYermakov/interpreter written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/VladYermakov/interpreter/Cargo.toml
[INFO] crate VladYermakov/interpreter has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking VladYermakov/interpreter against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-3/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/VladYermakov/interpreter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2f761221898612f61b79c6d05de45a8aa2107537fa99aec1058110e0d77063a4
[INFO] running `"docker" "start" "-a" "2f761221898612f61b79c6d05de45a8aa2107537fa99aec1058110e0d77063a4"`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `node_type`
[INFO] [stderr]    --> src/main.rs:476:5
[INFO] [stderr]     |
[INFO] [stderr] 476 |     fn node_type(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_text`
[INFO] [stderr]    --> src/main.rs:641:5
[INFO] [stderr]     |
[INFO] [stderr] 641 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_text`
[INFO] [stderr]     --> src/main.rs:1074:5
[INFO] [stderr]      |
[INFO] [stderr] 1074 |     fn with_text<T: Into<String> + Clone>(text: T) -> Self {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inv`
[INFO] [stderr]   --> src/numbers/complex.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn inv(&self) -> Complex {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `node_type`
[INFO] [stderr]    --> src/main.rs:476:5
[INFO] [stderr]     |
[INFO] [stderr] 476 |     fn node_type(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "2f761221898612f61b79c6d05de45a8aa2107537fa99aec1058110e0d77063a4"`
[INFO] running `"docker" "rm" "-f" "2f761221898612f61b79c6d05de45a8aa2107537fa99aec1058110e0d77063a4"`
[INFO] [stdout] 2f761221898612f61b79c6d05de45a8aa2107537fa99aec1058110e0d77063a4