[INFO] crate rustix-bl 0.5.0 is already in cache
[INFO] extracting crate rustix-bl 0.5.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/rustix-bl/0.5.0
[INFO] extracting crate rustix-bl 0.5.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/rustix-bl/0.5.0
[INFO] validating manifest of rustix-bl-0.5.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rustix-bl-0.5.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rustix-bl-0.5.0
[INFO] finished frobbing rustix-bl-0.5.0
[INFO] frobbed toml for rustix-bl-0.5.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/rustix-bl/0.5.0/Cargo.toml
[INFO] started frobbing rustix-bl-0.5.0
[INFO] finished frobbing rustix-bl-0.5.0
[INFO] frobbed toml for rustix-bl-0.5.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/rustix-bl/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking rustix-bl-0.5.0 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/rustix-bl/0.5.0:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f48b1ec4b418b4e32eebba1a14638f4e449a939553c6d3188a3bfe1bb4855806
[INFO] running `"docker" "start" "-a" "f48b1ec4b418b4e32eebba1a14638f4e449a939553c6d3188a3bfe1bb4855806"`
[INFO] [stderr]    Compiling typescriptify-derive v0.1.5
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking suffix-rs v0.1.0
[INFO] [stderr]     Checking typescriptify v0.1.5
[INFO] [stderr]     Checking rustix-bl v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/persistencer.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Other(err: Box<std::error::Error>) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/persistencer.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Other(err: Box<std::error::Error>) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut config = StaticConfig::default_persistence(dir.to_str().unwrap());
[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/lib.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let mut config = StaticConfig::default_persistence(dir.to_str().unwrap());
[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/rustix_backend.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |                 let mut file_res = std::fs::File::create(filepath);
[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/rustix_backend.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |         let mut file_raw= File::open(filepath);
[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/persistencer.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut fp = FilePersister {
[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/rustix_event_shop.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let mut b = false;
[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/rustix_event_shop.rs:389:36
[INFO] [stderr]     |
[INFO] [stderr] 389 |                         for (_key, mut value) in &mut store.drink_scores_per_user {
[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/rustix_event_shop.rs:902:37
[INFO] [stderr]     |
[INFO] [stderr] 902 |                                 let mut bill: &mut Bill = store.bills.get_mut(bill_idx).unwrap();
[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/rustix_event_shop.rs:937:37
[INFO] [stderr]     |
[INFO] [stderr] 937 |                                 let mut bill: &mut Bill = store.bills.get_mut(bill_idx).unwrap();
[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/rustix_event_shop.rs:1117:37
[INFO] [stderr]      |
[INFO] [stderr] 1117 |                                 let mut bill: &mut Bill = store.bills.get_mut(bill_idx).unwrap();
[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/rustix_backend.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |                 let mut file_res = std::fs::File::create(filepath);
[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/rustix_backend.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |         let mut file_raw= File::open(filepath);
[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/persistencer.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut fp = FilePersister {
[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/rustix_event_shop.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                 let mut b = false;
[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/rustix_event_shop.rs:389:36
[INFO] [stderr]     |
[INFO] [stderr] 389 |                         for (_key, mut value) in &mut store.drink_scores_per_user {
[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/rustix_event_shop.rs:902:37
[INFO] [stderr]     |
[INFO] [stderr] 902 |                                 let mut bill: &mut Bill = store.bills.get_mut(bill_idx).unwrap();
[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/rustix_event_shop.rs:937:37
[INFO] [stderr]     |
[INFO] [stderr] 937 |                                 let mut bill: &mut Bill = store.bills.get_mut(bill_idx).unwrap();
[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/rustix_event_shop.rs:1117:37
[INFO] [stderr]      |
[INFO] [stderr] 1117 |                                 let mut bill: &mut Bill = store.bills.get_mut(bill_idx).unwrap();
[INFO] [stderr]      |                                     ----^^^^
[INFO] [stderr]      |                                     |
[INFO] [stderr]      |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::replace`
[INFO] [stderr]  --> benches/benchmark.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::mem::replace;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `"docker" "inspect" "f48b1ec4b418b4e32eebba1a14638f4e449a939553c6d3188a3bfe1bb4855806"`
[INFO] running `"docker" "rm" "-f" "f48b1ec4b418b4e32eebba1a14638f4e449a939553c6d3188a3bfe1bb4855806"`
[INFO] [stdout] f48b1ec4b418b4e32eebba1a14638f4e449a939553c6d3188a3bfe1bb4855806