[INFO] fetching crate ezjson 0.2.0...
[INFO] linting ezjson-0.2.0 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate ezjson 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ezjson 0.2.0
[INFO] finished tweaking crates.io crate ezjson 0.2.0
[INFO] tweaked toml for crates.io crate ezjson 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezjson 0.2.0 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] crate crates.io crate ezjson 0.2.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.35
[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] 3978017c4188eb4b214deded1cc515e8d9af852aa236d3eceac831271826a4f5
[INFO] running `Command { std: "docker" "start" "-a" "3978017c4188eb4b214deded1cc515e8d9af852aa236d3eceac831271826a4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3978017c4188eb4b214deded1cc515e8d9af852aa236d3eceac831271826a4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3978017c4188eb4b214deded1cc515e8d9af852aa236d3eceac831271826a4f5", kill_on_drop: false }`
[INFO] [stdout] 3978017c4188eb4b214deded1cc515e8d9af852aa236d3eceac831271826a4f5
[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] 7fc39942bd356fe700649c239e7fa9a25933230ae4f57e87544e2760d602c82c
[INFO] running `Command { std: "docker" "start" "-a" "7fc39942bd356fe700649c239e7fa9a25933230ae4f57e87544e2760d602c82c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling syn v2.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking ezjson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if !self.json_data.get(key).is_some() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.json_data.get(key).is_none()`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |               Err(_) => return Err(Box::new(std::io::Error::new(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 62 | |                 std::io::ErrorKind::NotFound,
[INFO] [stdout] 63 | |                 "File not found",
[INFO] [stdout] 64 | |             )))
[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] 61 ~             Err(_) => Err(Box::new(std::io::Error::new(
[INFO] [stdout] 62 +                 std::io::ErrorKind::NotFound,
[INFO] [stdout] 63 +                 "File not found",
[INFO] [stdout] 64 +             )))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/lib.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut file = match File::create(&self.path) {
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: change this to: `self.path`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if !self.json_data.get(key).is_some() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.json_data.get(key).is_none()`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |               Err(_) => return Err(Box::new(std::io::Error::new(
[INFO] [stdout]    |  _______________________^
[INFO] [stdout] 62 | |                 std::io::ErrorKind::NotFound,
[INFO] [stdout] 63 | |                 "File not found",
[INFO] [stdout] 64 | |             )))
[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] 61 ~             Err(_) => Err(Box::new(std::io::Error::new(
[INFO] [stdout] 62 +                 std::io::ErrorKind::NotFound,
[INFO] [stdout] 63 +                 "File not found",
[INFO] [stdout] 64 +             )))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]   --> src/lib.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut file = match File::create(&self.path) {
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: change this to: `self.path`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrows_for_generic_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]    --> src/lib.rs:197:37
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let file = match File::open(&self.path) {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: change this to: `self.path`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the borrowed expression implements the required traits
[INFO] [stdout]    --> src/lib.rs:197:37
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let file = match File::open(&self.path) {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: change this to: `self.path`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrows_for_generic_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "7fc39942bd356fe700649c239e7fa9a25933230ae4f57e87544e2760d602c82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc39942bd356fe700649c239e7fa9a25933230ae4f57e87544e2760d602c82c", kill_on_drop: false }`
[INFO] [stdout] 7fc39942bd356fe700649c239e7fa9a25933230ae4f57e87544e2760d602c82c