[INFO] crate im 13.0.0 is already in cache [INFO] extracting crate im 13.0.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/im/13.0.0 [INFO] extracting crate im 13.0.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/im/13.0.0 [INFO] validating manifest of im-13.0.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of im-13.0.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing im-13.0.0 [INFO] finished frobbing im-13.0.0 [INFO] frobbed toml for im-13.0.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/im/13.0.0/Cargo.toml [INFO] started frobbing im-13.0.0 [INFO] finished frobbing im-13.0.0 [INFO] frobbed toml for im-13.0.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/im/13.0.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking im-13.0.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/im/13.0.0:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f25404e7738fea74c4b3619922e553848e7bb201c54f8a88c8857ee260a16d71 [INFO] running `"docker" "start" "-a" "f25404e7738fea74c4b3619922e553848e7bb201c54f8a88c8857ee260a16d71"` [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Compiling im v13.0.0 (/opt/crater/workdir) [INFO] [stderr] Checking sized-chunks v0.3.1 [INFO] [stderr] Compiling proptest-derive v0.1.2 [INFO] [stderr] Checking proptest v0.9.4 [INFO] [stderr] Checking syntect v3.2.1 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:575:21 [INFO] [stderr] | [INFO] [stderr] 575 | let mut value; [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:662:21 [INFO] [stderr] | [INFO] [stderr] 662 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:714:21 [INFO] [stderr] | [INFO] [stderr] 714 | let mut update; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:715:21 [INFO] [stderr] | [INFO] [stderr] 715 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:740:21 [INFO] [stderr] | [INFO] [stderr] 740 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:575:21 [INFO] [stderr] | [INFO] [stderr] 575 | let mut value; [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:662:21 [INFO] [stderr] | [INFO] [stderr] 662 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:714:21 [INFO] [stderr] | [INFO] [stderr] 714 | let mut update; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:715:21 [INFO] [stderr] | [INFO] [stderr] 715 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:740:21 [INFO] [stderr] | [INFO] [stderr] 740 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 29.07s [INFO] running `"docker" "inspect" "f25404e7738fea74c4b3619922e553848e7bb201c54f8a88c8857ee260a16d71"` [INFO] running `"docker" "rm" "-f" "f25404e7738fea74c4b3619922e553848e7bb201c54f8a88c8857ee260a16d71"` [INFO] [stdout] f25404e7738fea74c4b3619922e553848e7bb201c54f8a88c8857ee260a16d71