[INFO] crate msiz_rustc-ap-rustc_data_structures 3.0.0 is already in cache
[INFO] checking msiz_rustc-ap-rustc_data_structures-3.0.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate msiz_rustc-ap-rustc_data_structures 3.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0
[INFO] finished tweaking crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0
[INFO] tweaked toml for crates.io crate msiz_rustc-ap-rustc_data_structures 3.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19b05289fd96b87714ac7f6b46a10c3c76a35d44c65e3416b47cc8ec4684983f
[INFO] running `"docker" "start" "-a" "19b05289fd96b87714ac7f6b46a10c3c76a35d44c65e3416b47cc8ec4684983f"`
[INFO] [stderr]     Checking msiz_rustc-ap-graphviz v3.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking ena v0.13.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking msiz_rustc-ap-serialize v3.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking msiz_rustc-ap-rustc_data_structures v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> owning_ref/mod.rs:1049:28
[INFO] [stderr]      |
[INFO] [stderr] 1049 |     where O: Send, for<'a> (&'a T): Send {}
[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]     --> owning_ref/mod.rs:1051:28
[INFO] [stderr]      |
[INFO] [stderr] 1051 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stderr]      |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> owning_ref/mod.rs:1054:28
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stderr]      |                            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> owning_ref/mod.rs:1056:28
[INFO] [stderr]      |
[INFO] [stderr] 1056 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stderr]      |                            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> owning_ref/mod.rs:1049:28
[INFO] [stderr]      |
[INFO] [stderr] 1049 |     where O: Send, for<'a> (&'a T): Send {}
[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]     --> owning_ref/mod.rs:1051:28
[INFO] [stderr]      |
[INFO] [stderr] 1051 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stderr]      |                            ^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> owning_ref/mod.rs:1054:28
[INFO] [stderr]      |
[INFO] [stderr] 1054 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stderr]      |                            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]     --> owning_ref/mod.rs:1056:28
[INFO] [stderr]      |
[INFO] [stderr] 1056 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stderr]      |                            ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.89s
[INFO] running `"docker" "inspect" "19b05289fd96b87714ac7f6b46a10c3c76a35d44c65e3416b47cc8ec4684983f"`
[INFO] running `"docker" "rm" "-f" "19b05289fd96b87714ac7f6b46a10c3c76a35d44c65e3416b47cc8ec4684983f"`
[INFO] [stdout] 19b05289fd96b87714ac7f6b46a10c3c76a35d44c65e3416b47cc8ec4684983f