[INFO] crate linked-tail-list 0.0.1 is already in cache [INFO] extracting crate linked-tail-list 0.0.1 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/linked-tail-list/0.0.1 [INFO] extracting crate linked-tail-list 0.0.1 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/linked-tail-list/0.0.1 [INFO] validating manifest of linked-tail-list-0.0.1 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of linked-tail-list-0.0.1 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing linked-tail-list-0.0.1 [INFO] finished frobbing linked-tail-list-0.0.1 [INFO] frobbed toml for linked-tail-list-0.0.1 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/linked-tail-list/0.0.1/Cargo.toml [INFO] started frobbing linked-tail-list-0.0.1 [INFO] finished frobbing linked-tail-list-0.0.1 [INFO] frobbed toml for linked-tail-list-0.0.1 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/linked-tail-list/0.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking linked-tail-list-0.0.1 against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/linked-tail-list/0.0.1:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0ac632a3d6da015fab21f975bb23458497357a48c645aa39718a864a52e0a646 [INFO] running `"docker" "start" "-a" "0ac632a3d6da015fab21f975bb23458497357a48c645aa39718a864a52e0a646"` [INFO] [stderr] Checking linked-tail-list v0.0.1 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:358:5 [INFO] [stderr] | [INFO] [stderr] 358 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_unsafe)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:358:5 [INFO] [stderr] | [INFO] [stderr] 358 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_unsafe)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "0ac632a3d6da015fab21f975bb23458497357a48c645aa39718a864a52e0a646"` [INFO] running `"docker" "rm" "-f" "0ac632a3d6da015fab21f975bb23458497357a48c645aa39718a864a52e0a646"` [INFO] [stdout] 0ac632a3d6da015fab21f975bb23458497357a48c645aa39718a864a52e0a646