[INFO] updating cached repository matklad/kotlin-rust-dp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matklad/kotlin-rust-dp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/kotlin-rust-dp" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/matklad/kotlin-rust-dp"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/matklad/kotlin-rust-dp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/kotlin-rust-dp" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/matklad/kotlin-rust-dp"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/matklad/kotlin-rust-dp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3227557028d709d011e20b6e558518c6e798f6f8
[INFO] sha for GitHub repo matklad/kotlin-rust-dp: 3227557028d709d011e20b6e558518c6e798f6f8
[INFO] validating manifest of matklad/kotlin-rust-dp on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matklad/kotlin-rust-dp on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matklad/kotlin-rust-dp
[INFO] finished frobbing matklad/kotlin-rust-dp
[INFO] frobbed toml for matklad/kotlin-rust-dp written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/matklad/kotlin-rust-dp/Cargo.toml
[INFO] started frobbing matklad/kotlin-rust-dp
[INFO] finished frobbing matklad/kotlin-rust-dp
[INFO] frobbed toml for matklad/kotlin-rust-dp written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/matklad/kotlin-rust-dp/Cargo.toml
[INFO] crate matklad/kotlin-rust-dp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking matklad/kotlin-rust-dp against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/matklad/kotlin-rust-dp:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 593f439d90b1575098bd121b059c665a0e3b8fb370ec3ecd4f85fa0accbd7fdc
[INFO] running `"docker" "start" "-a" "593f439d90b1575098bd121b059c665a0e3b8fb370ec3ecd4f85fa0accbd7fdc"`
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking ts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/bin/original.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `class`
[INFO] [stderr]   --> src/bin/original.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     class: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::PartialEq`
[INFO] [stderr]  --> src/bin/original.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::cmp::PartialEq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `class`
[INFO] [stderr]   --> src/bin/original.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     class: 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 7.16s
[INFO] running `"docker" "inspect" "593f439d90b1575098bd121b059c665a0e3b8fb370ec3ecd4f85fa0accbd7fdc"`
[INFO] running `"docker" "rm" "-f" "593f439d90b1575098bd121b059c665a0e3b8fb370ec3ecd4f85fa0accbd7fdc"`
[INFO] [stdout] 593f439d90b1575098bd121b059c665a0e3b8fb370ec3ecd4f85fa0accbd7fdc