[INFO] crate hash_ord 0.1.10 is already in cache [INFO] extracting crate hash_ord 0.1.10 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/hash_ord/0.1.10 [INFO] extracting crate hash_ord 0.1.10 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/hash_ord/0.1.10 [INFO] validating manifest of hash_ord-0.1.10 on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hash_ord-0.1.10 on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hash_ord-0.1.10 [INFO] finished frobbing hash_ord-0.1.10 [INFO] frobbed toml for hash_ord-0.1.10 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/hash_ord/0.1.10/Cargo.toml [INFO] started frobbing hash_ord-0.1.10 [INFO] finished frobbing hash_ord-0.1.10 [INFO] frobbed toml for hash_ord-0.1.10 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/hash_ord/0.1.10/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hash_ord-0.1.10 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/hash_ord/0.1.10:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 784c3ae2f2806e5fc855e3e5210672f243b8073a6144724e9d05145c3264a2a9 [INFO] running `"docker" "start" "-a" "784c3ae2f2806e5fc855e3e5210672f243b8073a6144724e9d05145c3264a2a9"` [INFO] [stderr] Checking hash_ord v0.1.10 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::option::Option::::is_some` that must be used [INFO] [stderr] --> benches/bench_avl.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | t.get(num).is_some(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.19s [INFO] running `"docker" "inspect" "784c3ae2f2806e5fc855e3e5210672f243b8073a6144724e9d05145c3264a2a9"` [INFO] running `"docker" "rm" "-f" "784c3ae2f2806e5fc855e3e5210672f243b8073a6144724e9d05145c3264a2a9"` [INFO] [stdout] 784c3ae2f2806e5fc855e3e5210672f243b8073a6144724e9d05145c3264a2a9