[INFO] crate rustix-bl 0.5.0 is already in cache
[INFO] checking rustix-bl-0.5.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate rustix-bl 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustix-bl 0.5.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustix-bl 0.5.0
[INFO] finished tweaking crates.io crate rustix-bl 0.5.0
[INFO] tweaked toml for crates.io crate rustix-bl 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb61c0eeabf7e76ecf3c85a291dccd33046f1a75f1cc28bf3b002f9c99fdebac
[INFO] running `"docker" "start" "-a" "bb61c0eeabf7e76ecf3c85a291dccd33046f1a75f1cc28bf3b002f9c99fdebac"`
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[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 lmdb v0.8.0
[INFO] [stderr]     Checking rustix-bl v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let db_environment = try!(lmdb::Environment::new().set_max_dbs(1).open(&dir));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:104:28
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let database = try!(db_environment.create_db(None, db_flags));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:141:57
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 let mut rw_transaction: RwTransaction = try!(lmdb.db_env.begin_rw_txn());
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:144:28
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 let data = try!(serde_json::to_string(event));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 try!(rw_transaction.commit());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:187:30
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     let tx = try!(lmdb.db_env.begin_ro_txn());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:189:52
[INFO] [stderr]     |
[INFO] [stderr] 189 |                         let mut cursor: RoCursor = try!(tx.open_ro_cursor(lmdb.db));
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:200:40
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let json = try!(str::from_utf8(value));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:202:51
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let event: BLEvents = try!(serde_json::from_str(json));
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/datastore.rs:1063:17
[INFO] [stderr]      |
[INFO] [stderr] 1063 |                 (*cents_worth_total - *cents_worth_used)
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` 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: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:102:34
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let db_environment = try!(lmdb::Environment::new().set_max_dbs(1).open(&dir));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:104:28
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let database = try!(db_environment.create_db(None, db_flags));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:141:57
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 let mut rw_transaction: RwTransaction = try!(lmdb.db_env.begin_rw_txn());
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:144:28
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 let data = try!(serde_json::to_string(event));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 try!(rw_transaction.commit());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:187:30
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     let tx = try!(lmdb.db_env.begin_ro_txn());
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:189:52
[INFO] [stderr]     |
[INFO] [stderr] 189 |                         let mut cursor: RoCursor = try!(tx.open_ro_cursor(lmdb.db));
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:200:40
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let json = try!(str::from_utf8(value));
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/persistencer.rs:202:51
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let event: BLEvents = try!(serde_json::from_str(json));
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/datastore.rs:1063:17
[INFO] [stderr]      |
[INFO] [stderr] 1063 |                 (*cents_worth_total - *cents_worth_used)
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` 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/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/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_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 12.39s
[INFO] running `"docker" "inspect" "bb61c0eeabf7e76ecf3c85a291dccd33046f1a75f1cc28bf3b002f9c99fdebac"`
[INFO] running `"docker" "rm" "-f" "bb61c0eeabf7e76ecf3c85a291dccd33046f1a75f1cc28bf3b002f9c99fdebac"`
[INFO] [stdout] bb61c0eeabf7e76ecf3c85a291dccd33046f1a75f1cc28bf3b002f9c99fdebac
