[INFO] updating cached repository https://github.com/bluemont/rs-uttt [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] abe32eba01f7de9ba4143a1177e69ff4e153dc54 [INFO] checking bluemont/rs-uttt against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluemont%2Frs-uttt" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bluemont/rs-uttt on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bluemont/rs-uttt [INFO] finished tweaking git repo https://github.com/bluemont/rs-uttt [INFO] tweaked toml for git repo https://github.com/bluemont/rs-uttt written to work/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/bluemont/rs-uttt already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 78598bfbf1b0f6c680a2cc03497dced00379e310601eac9fe8cb7531fe503acb [INFO] running `"docker" "start" "-a" "78598bfbf1b0f6c680a2cc03497dced00379e310601eac9fe8cb7531fe503acb"` [INFO] [stderr] Checking uttt v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking quickcheck v0.3.2 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/solver/devices/ssd.rs:67:21 [INFO] [stderr] | [INFO] [stderr] 67 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:96:21 [INFO] [stderr] | [INFO] [stderr] 96 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:106:41 [INFO] [stderr] | [INFO] [stderr] 106 | ... let mut mut_cache_2 = &mut *cache_2.borrow_mut(); [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/solver/devices/ssd.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | let mut mut_cache = &mut *cache.borrow_mut(); [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/solver/devices/ssd.rs:170:17 [INFO] [stderr] | [INFO] [stderr] 170 | let mut mut_stats = &mut *stats.borrow_mut(); [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/solver/devices/ssd.rs:67:21 [INFO] [stderr] | [INFO] [stderr] 67 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:96:21 [INFO] [stderr] | [INFO] [stderr] 96 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:106:41 [INFO] [stderr] | [INFO] [stderr] 106 | ... let mut mut_cache_2 = &mut *cache_2.borrow_mut(); [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/solver/devices/ssd.rs:126:21 [INFO] [stderr] | [INFO] [stderr] 126 | let mut mut_cache = &mut *cache.borrow_mut(); [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/solver/devices/ssd.rs:170:17 [INFO] [stderr] | [INFO] [stderr] 170 | let mut mut_stats = &mut *stats.borrow_mut(); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.67s [INFO] running `"docker" "inspect" "78598bfbf1b0f6c680a2cc03497dced00379e310601eac9fe8cb7531fe503acb"` [INFO] running `"docker" "rm" "-f" "78598bfbf1b0f6c680a2cc03497dced00379e310601eac9fe8cb7531fe503acb"` [INFO] [stdout] 78598bfbf1b0f6c680a2cc03497dced00379e310601eac9fe8cb7531fe503acb