[INFO] fetching crate minidl 0.1.6...
[INFO] linting minidl-0.1.6 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate minidl 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate minidl 0.1.6
[INFO] finished tweaking crates.io crate minidl 0.1.6
[INFO] tweaked toml for crates.io crate minidl 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minidl 0.1.6 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4b22ee16fdd2b1d2ecf62e27f29fadf8655a7925b3eb7e8a1f95742aa8b1eec0
[INFO] running `Command { std: "docker" "start" "-a" "4b22ee16fdd2b1d2ecf62e27f29fadf8655a7925b3eb7e8a1f95742aa8b1eec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b22ee16fdd2b1d2ecf62e27f29fadf8655a7925b3eb7e8a1f95742aa8b1eec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b22ee16fdd2b1d2ecf62e27f29fadf8655a7925b3eb7e8a1f95742aa8b1eec0", kill_on_drop: false }`
[INFO] [stdout] 4b22ee16fdd2b1d2ecf62e27f29fadf8655a7925b3eb7e8a1f95742aa8b1eec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c9a9f6cd972c341645812964c70f0f5951d47581d1c3cfabfa4d3f698d61866b
[INFO] running `Command { std: "docker" "start" "-a" "c9a9f6cd972c341645812964c70f0f5951d47581d1c3cfabfa4d3f698d61866b", kill_on_drop: false }`
[INFO] [stderr]     Checking minidl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]    --> src/lib.rs:151:23
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub unsafe fn sym<'a, T>(&self, name: impl AsRef<str>) -> io::Result<T> {
[INFO] [stdout]     |                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]    --> src/lib.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub unsafe fn sym_opt<'a, T>(&self, name: impl AsRef<str>) -> Option<T> {
[INFO] [stdout]     |                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparing with null is better expressed by the `.is_null()` method
[INFO] [stdout]    --> src/lib.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if result == null_mut() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^ help: try: `result.is_null()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stdout]     = note: `#[warn(clippy::cmp_null)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]    --> src/lib.rs:151:23
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub unsafe fn sym<'a, T>(&self, name: impl AsRef<str>) -> io::Result<T> {
[INFO] [stdout]     |                       ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the function definition
[INFO] [stdout]    --> src/lib.rs:172:27
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub unsafe fn sym_opt<'a, T>(&self, name: impl AsRef<str>) -> Option<T> {
[INFO] [stdout]     |                           ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparing with null is better expressed by the `.is_null()` method
[INFO] [stdout]    --> src/lib.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 184 |         if result == null_mut() {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^ help: try: `result.is_null()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stdout]     = note: `#[warn(clippy::cmp_null)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> tests/libc.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     if !std::env::var_os("CI").is_some() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::env::var_os("CI").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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c9a9f6cd972c341645812964c70f0f5951d47581d1c3cfabfa4d3f698d61866b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a9f6cd972c341645812964c70f0f5951d47581d1c3cfabfa4d3f698d61866b", kill_on_drop: false }`
[INFO] [stdout] c9a9f6cd972c341645812964c70f0f5951d47581d1c3cfabfa4d3f698d61866b