[INFO] crate cargo-cache 0.1.2 is already in cache [INFO] extracting crate cargo-cache 0.1.2 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/cargo-cache/0.1.2 [INFO] extracting crate cargo-cache 0.1.2 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/cargo-cache/0.1.2 [INFO] validating manifest of cargo-cache-0.1.2 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 cargo-cache-0.1.2 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 cargo-cache-0.1.2 [INFO] finished frobbing cargo-cache-0.1.2 [INFO] frobbed toml for cargo-cache-0.1.2 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/cargo-cache/0.1.2/Cargo.toml [INFO] started frobbing cargo-cache-0.1.2 [INFO] finished frobbing cargo-cache-0.1.2 [INFO] frobbed toml for cargo-cache-0.1.2 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/cargo-cache/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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] checking cargo-cache-0.1.2 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/cargo-cache/0.1.2:/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] 4f47347d6c69aad4901064f7db51b98c0198aa5f622cc075ee78d9e6d4586acf [INFO] running `"docker" "start" "-a" "4f47347d6c69aad4901064f7db51b98c0198aa5f622cc075ee78d9e6d4586acf"` [INFO] [stderr] Compiling rustc_tools_util v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking git2 v0.8.0 [INFO] [stderr] Compiling cargo-cache v0.1.2 (/opt/crater/workdir) [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking crates-io v0.20.0 [INFO] [stderr] Checking rustfix v0.4.5 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking cargo v0.32.0 [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/library.rs:475:9 [INFO] [stderr] | [INFO] [stderr] 475 | invalid_dirs.trim(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | unused, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: #[warn(unused_must_use)] implied by #[warn(unused)] [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/top_items/common.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | out.trim(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/library.rs:475:9 [INFO] [stderr] | [INFO] [stderr] 475 | invalid_dirs.trim(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: lint level defined here [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | unused, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: #[warn(unused_must_use)] implied by #[warn(unused)] [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/top_items/common.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | out.trim(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.17s [INFO] running `"docker" "inspect" "4f47347d6c69aad4901064f7db51b98c0198aa5f622cc075ee78d9e6d4586acf"` [INFO] running `"docker" "rm" "-f" "4f47347d6c69aad4901064f7db51b98c0198aa5f622cc075ee78d9e6d4586acf"` [INFO] [stdout] 4f47347d6c69aad4901064f7db51b98c0198aa5f622cc075ee78d9e6d4586acf