[INFO] crate streaming-harness-hdrhist 0.2.1 is already in cache [INFO] extracting crate streaming-harness-hdrhist 0.2.1 into work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/streaming-harness-hdrhist/0.2.1 [INFO] extracting crate streaming-harness-hdrhist 0.2.1 into work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/streaming-harness-hdrhist/0.2.1 [INFO] validating manifest of streaming-harness-hdrhist-0.2.1 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of streaming-harness-hdrhist-0.2.1 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing streaming-harness-hdrhist-0.2.1 [INFO] finished frobbing streaming-harness-hdrhist-0.2.1 [INFO] frobbed toml for streaming-harness-hdrhist-0.2.1 written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/reg/streaming-harness-hdrhist/0.2.1/Cargo.toml [INFO] started frobbing streaming-harness-hdrhist-0.2.1 [INFO] finished frobbing streaming-harness-hdrhist-0.2.1 [INFO] frobbed toml for streaming-harness-hdrhist-0.2.1 written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/streaming-harness-hdrhist/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking streaming-harness-hdrhist-0.2.1 against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-3/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/reg/streaming-harness-hdrhist/0.2.1:/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7d2d0308468d21e39557a83e9b2f0b59180da59c7dc95a9168d4ad9341cba85e [INFO] running `"docker" "start" "-a" "7d2d0308468d21e39557a83e9b2f0b59180da59c7dc95a9168d4ad9341cba85e"` [INFO] [stderr] Checking streaming-harness-hdrhist v0.2.1 (/opt/crater/workdir) [INFO] [stderr] Checking textplots v0.2.3 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | let mut hist = ::HDRHist::new(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `"docker" "inspect" "7d2d0308468d21e39557a83e9b2f0b59180da59c7dc95a9168d4ad9341cba85e"` [INFO] running `"docker" "rm" "-f" "7d2d0308468d21e39557a83e9b2f0b59180da59c7dc95a9168d4ad9341cba85e"` [INFO] [stdout] 7d2d0308468d21e39557a83e9b2f0b59180da59c7dc95a9168d4ad9341cba85e