[INFO] crate tinyset 0.3.5 is already in cache [INFO] extracting crate tinyset 0.3.5 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tinyset/0.3.5 [INFO] extracting crate tinyset 0.3.5 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tinyset/0.3.5 [INFO] validating manifest of tinyset-0.3.5 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tinyset-0.3.5 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tinyset-0.3.5 [INFO] finished frobbing tinyset-0.3.5 [INFO] frobbed toml for tinyset-0.3.5 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tinyset/0.3.5/Cargo.toml [INFO] started frobbing tinyset-0.3.5 [INFO] finished frobbing tinyset-0.3.5 [INFO] frobbed toml for tinyset-0.3.5 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tinyset/0.3.5/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tinyset-0.3.5 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tinyset/0.3.5:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 16a37699c18f027f6e37c7bfc25c104e5aaf0ba722fe5d94444e224fa4c884f3 [INFO] running `"docker" "start" "-a" "16a37699c18f027f6e37c7bfc25c104e5aaf0ba722fe5d94444e224fa4c884f3"` [INFO] [stderr] Checking tinyset v0.3.5 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/u64set.rs:334:29 [INFO] [stderr] | [INFO] [stderr] 334 | let mut v = &mut v[..vlen-1]; [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/u64set.rs:572:25 [INFO] [stderr] | [INFO] [stderr] 572 | let mut v = &mut v[..vlen-1]; [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/u64set.rs:731:21 [INFO] [stderr] | [INFO] [stderr] 731 | let mut keys = &mut keys[..vlen-1]; [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/u64set.rs:856:21 [INFO] [stderr] | [INFO] [stderr] 856 | let mut v = &v[..vlen-1]; [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/u64set.rs:1060:21 [INFO] [stderr] | [INFO] [stderr] 1060 | let mut v = &mut v[..vlen-1]; [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/u64set.rs:1321:21 [INFO] [stderr] | [INFO] [stderr] 1321 | let mut keys = &mut keys[..vlen-1]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/u64set.rs:3059:5 [INFO] [stderr] | [INFO] [stderr] 3059 | fn insert(&mut self, k: u64, v: u64) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/u64set.rs:334:29 [INFO] [stderr] | [INFO] [stderr] 334 | let mut v = &mut v[..vlen-1]; [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/u64set.rs:572:25 [INFO] [stderr] | [INFO] [stderr] 572 | let mut v = &mut v[..vlen-1]; [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/u64set.rs:731:21 [INFO] [stderr] | [INFO] [stderr] 731 | let mut keys = &mut keys[..vlen-1]; [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/u64set.rs:856:21 [INFO] [stderr] | [INFO] [stderr] 856 | let mut v = &v[..vlen-1]; [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/u64set.rs:1060:21 [INFO] [stderr] | [INFO] [stderr] 1060 | let mut v = &mut v[..vlen-1]; [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/u64set.rs:1321:21 [INFO] [stderr] | [INFO] [stderr] 1321 | let mut keys = &mut keys[..vlen-1]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.02s [INFO] running `"docker" "inspect" "16a37699c18f027f6e37c7bfc25c104e5aaf0ba722fe5d94444e224fa4c884f3"` [INFO] running `"docker" "rm" "-f" "16a37699c18f027f6e37c7bfc25c104e5aaf0ba722fe5d94444e224fa4c884f3"` [INFO] [stdout] 16a37699c18f027f6e37c7bfc25c104e5aaf0ba722fe5d94444e224fa4c884f3