[INFO] updating cached repository kernelmachine/cargo-profiler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kernelmachine/cargo-profiler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kernelmachine/cargo-profiler" "work/ex/beta-1.38-1/sources/1.37.0/gh/kernelmachine/cargo-profiler"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kernelmachine/cargo-profiler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kernelmachine/cargo-profiler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kernelmachine/cargo-profiler"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kernelmachine/cargo-profiler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 35ec738c890e52ebedfece2f6337a12f6d3addbd [INFO] sha for GitHub repo kernelmachine/cargo-profiler: 35ec738c890e52ebedfece2f6337a12f6d3addbd [INFO] validating manifest of kernelmachine/cargo-profiler on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kernelmachine/cargo-profiler on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kernelmachine/cargo-profiler [INFO] finished frobbing kernelmachine/cargo-profiler [INFO] frobbed toml for kernelmachine/cargo-profiler written to work/ex/beta-1.38-1/sources/1.37.0/gh/kernelmachine/cargo-profiler/Cargo.toml [INFO] started frobbing kernelmachine/cargo-profiler [INFO] finished frobbing kernelmachine/cargo-profiler [INFO] frobbed toml for kernelmachine/cargo-profiler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kernelmachine/cargo-profiler/Cargo.toml [INFO] crate kernelmachine/cargo-profiler already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing kernelmachine/cargo-profiler against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kernelmachine/cargo-profiler:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 4eafa7a3cecc4491957d8b9b1a798da4514bad560b380a37aff5c83cd4edbade [INFO] running `"docker" "start" "-a" "4eafa7a3cecc4491957d8b9b1a798da4514bad560b380a37aff5c83cd4edbade"` [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling either v1.5.1 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling cargo-profiler v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/err.rs:135:32 [INFO] [stderr] | [INFO] [stderr] 135 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/parse/cachegrind.rs:136:13 [INFO] [stderr] | [INFO] [stderr] 136 | func.to_mut().drain(idx..).collect::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/parse/callgrind.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | func.to_mut().drain(idx..).collect::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.11s [INFO] running `"docker" "inspect" "4eafa7a3cecc4491957d8b9b1a798da4514bad560b380a37aff5c83cd4edbade"` [INFO] running `"docker" "rm" "-f" "4eafa7a3cecc4491957d8b9b1a798da4514bad560b380a37aff5c83cd4edbade"` [INFO] [stdout] 4eafa7a3cecc4491957d8b9b1a798da4514bad560b380a37aff5c83cd4edbade [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kernelmachine/cargo-profiler:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 819013b0fdda8ae9d4e2d5fd51938f880c76a4bc33737d99f4826ce514687e21 [INFO] running `"docker" "start" "-a" "819013b0fdda8ae9d4e2d5fd51938f880c76a4bc33737d99f4826ce514687e21"` [INFO] [stderr] Compiling cargo-profiler v0.2.0 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `profiler` [INFO] [stderr] --> src/parse/callgrind.rs:112:9 [INFO] [stderr] | [INFO] [stderr] 112 | use profiler::Profiler; [INFO] [stderr] | ^^^^^^^^ help: a similar path exists: `crate::profiler` [INFO] [stderr] | [INFO] [stderr] = note: `use` statements changed in Rust 2018; read more at [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/err.rs:135:32 [INFO] [stderr] | [INFO] [stderr] 135 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::CallGrindParser` [INFO] [stderr] --> src/parse/callgrind.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | use super::CallGrindParser; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0432`. [INFO] [stderr] error: Could not compile `cargo-profiler`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "819013b0fdda8ae9d4e2d5fd51938f880c76a4bc33737d99f4826ce514687e21"` [INFO] running `"docker" "rm" "-f" "819013b0fdda8ae9d4e2d5fd51938f880c76a4bc33737d99f4826ce514687e21"` [INFO] [stdout] 819013b0fdda8ae9d4e2d5fd51938f880c76a4bc33737d99f4826ce514687e21