[INFO] fetching crate sixth_database 1.0.10...
[INFO] linting sixth_database-1.0.10 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate sixth_database 1.0.10 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate sixth_database 1.0.10
[INFO] finished tweaking crates.io crate sixth_database 1.0.10
[INFO] tweaked toml for crates.io crate sixth_database 1.0.10 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sixth_database 1.0.10 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `sixth_database` which is deprecated
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556c0476fcc645dcd95c4d0b22a88c6c3d52318d7ec00c8a75c8658b6c12822e
[INFO] running `Command { std: "docker" "start" "-a" "556c0476fcc645dcd95c4d0b22a88c6c3d52318d7ec00c8a75c8658b6c12822e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556c0476fcc645dcd95c4d0b22a88c6c3d52318d7ec00c8a75c8658b6c12822e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556c0476fcc645dcd95c4d0b22a88c6c3d52318d7ec00c8a75c8658b6c12822e", kill_on_drop: false }`
[INFO] [stdout] 556c0476fcc645dcd95c4d0b22a88c6c3d52318d7ec00c8a75c8658b6c12822e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19451a5365b7f267afbdab27d39ad2eb384d2879b9c14314a7e117beeeda6d0
[INFO] running `Command { std: "docker" "start" "-a" "d19451a5365b7f267afbdab27d39ad2eb384d2879b9c14314a7e117beeeda6d0", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on library `sixth_database` which is deprecated
[INFO] [stderr] warning: unused manifest key: lib.plugin
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking serde_core v1.0.228
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sixth_database v1.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: called `unwrap` on `result_of_bincode` after checking its variant with `is_ok`
[INFO] [stdout]   --> lib.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 if result_of_bincode.is_ok() {
[INFO] [stdout]    |                 ---------------------------- help: try: `if let Ok(<item>) = result_of_bincode`
[INFO] [stdout] 29 |                     return result_of_bincode.unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `result_of_bincode` after checking its variant with `is_ok`
[INFO] [stdout]   --> lib.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |             if result_of_bincode.is_ok() {
[INFO] [stdout]    |             ---------------------------- help: try: `if let Ok(<item>) = result_of_bincode`
[INFO] [stdout] 44 |                 return result_of_bincode.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> lib.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if !std::fs::read_dir("./SixthDatabase/").is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::fs::read_dir("./SixthDatabase/").is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     if !master_file.exists() {
[INFO] [stdout] 62 | |         if !std::fs::read_dir("./SixthDatabase/").is_ok() {
[INFO] [stdout] 63 | |             std::fs::create_dir("./SixthDatabase/")
[INFO] [stdout] 64 | |                 .expect("Could not create SixthDatabase directory");
[INFO] [stdout] 65 | |         }
[INFO] [stdout] 66 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 61 ~     if !master_file.exists()
[INFO] [stdout] 62 ~         && !std::fs::read_dir("./SixthDatabase/").is_ok() {
[INFO] [stdout] 63 |             std::fs::create_dir("./SixthDatabase/")
[INFO] [stdout] 64 |                 .expect("Could not create SixthDatabase directory");
[INFO] [stdout] 65 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     return hasher.finish();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     return hasher.finish();
[INFO] [stdout] 89 +     hasher.finish()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         return object.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 157 -         return object.clone();
[INFO] [stdout] 157 +         object.clone()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `result_of_bincode` after checking its variant with `is_ok`
[INFO] [stdout]   --> lib.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 if result_of_bincode.is_ok() {
[INFO] [stdout]    |                 ---------------------------- help: try: `if let Ok(<item>) = result_of_bincode`
[INFO] [stdout] 29 |                     return result_of_bincode.unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `result_of_bincode` after checking its variant with `is_ok`
[INFO] [stdout]   --> lib.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |             if result_of_bincode.is_ok() {
[INFO] [stdout]    |             ---------------------------- help: try: `if let Ok(<item>) = result_of_bincode`
[INFO] [stdout] 44 |                 return result_of_bincode.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> lib.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if !std::fs::read_dir("./SixthDatabase/").is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::fs::read_dir("./SixthDatabase/").is_err()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]   --> lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | /     if !master_file.exists() {
[INFO] [stdout] 62 | |         if !std::fs::read_dir("./SixthDatabase/").is_ok() {
[INFO] [stdout] 63 | |             std::fs::create_dir("./SixthDatabase/")
[INFO] [stdout] 64 | |                 .expect("Could not create SixthDatabase directory");
[INFO] [stdout] 65 | |         }
[INFO] [stdout] 66 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 61 ~     if !master_file.exists()
[INFO] [stdout] 62 ~         && !std::fs::read_dir("./SixthDatabase/").is_ok() {
[INFO] [stdout] 63 |             std::fs::create_dir("./SixthDatabase/")
[INFO] [stdout] 64 |                 .expect("Could not create SixthDatabase directory");
[INFO] [stdout] 65 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     return hasher.finish();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 89 -     return hasher.finish();
[INFO] [stdout] 89 +     hasher.finish()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         return object.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 157 -         return object.clone();
[INFO] [stdout] 157 +         object.clone()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.21s
[INFO] running `Command { std: "docker" "inspect" "d19451a5365b7f267afbdab27d39ad2eb384d2879b9c14314a7e117beeeda6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19451a5365b7f267afbdab27d39ad2eb384d2879b9c14314a7e117beeeda6d0", kill_on_drop: false }`
[INFO] [stdout] d19451a5365b7f267afbdab27d39ad2eb384d2879b9c14314a7e117beeeda6d0