[INFO] crate picontrol 0.2.1 is already in cache
[INFO] checking picontrol-0.2.1 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate picontrol 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate picontrol 0.2.1 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate picontrol 0.2.1
[INFO] finished tweaking crates.io crate picontrol 0.2.1
[INFO] tweaked toml for crates.io crate picontrol 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate picontrol 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4b06bf76f706c89ebeb6c599d2a2b587b42c34e848b84b198fd5dc110659508
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b4b06bf76f706c89ebeb6c599d2a2b587b42c34e848b84b198fd5dc110659508"`
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking picontrol v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:178:75
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn read(&mut self, offset: u64, length: usize) -> std::io::Result<(Vec<u8>)> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:191:77
[INFO] [stderr]     |
[INFO] [stderr] 191 |     pub fn write(&mut self, offset: u64, data: &Vec<u8>) -> std::io::Result<(bool)> {
[INFO] [stderr]     |                                                                             ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:266:57
[INFO] [stderr]     |
[INFO] [stderr] 266 |     pub fn dump(&mut self, fp: &str) -> std::io::Result<(bool)> {
[INFO] [stderr]     |                                                         ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:178:75
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn read(&mut self, offset: u64, length: usize) -> std::io::Result<(Vec<u8>)> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:191:77
[INFO] [stderr]     |
[INFO] [stderr] 191 |     pub fn write(&mut self, offset: u64, data: &Vec<u8>) -> std::io::Result<(bool)> {
[INFO] [stderr]     |                                                                             ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:266:57
[INFO] [stderr]     |
[INFO] [stderr] 266 |     pub fn dump(&mut self, fp: &str) -> std::io::Result<(bool)> {
[INFO] [stderr]     |                                                         ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `"docker" "inspect" "b4b06bf76f706c89ebeb6c599d2a2b587b42c34e848b84b198fd5dc110659508"`
[INFO] running `"docker" "rm" "-f" "b4b06bf76f706c89ebeb6c599d2a2b587b42c34e848b84b198fd5dc110659508"`
[INFO] [stdout] b4b06bf76f706c89ebeb6c599d2a2b587b42c34e848b84b198fd5dc110659508