[INFO] crate futures-intrusive 0.3.0 is already in cache
[INFO] checking futures-intrusive-0.3.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate futures-intrusive 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures-intrusive 0.3.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures-intrusive 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate futures-intrusive 0.3.0
[INFO] tweaked toml for crates.io crate futures-intrusive 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate futures-intrusive 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] a6c4637dd635cecc77a7c653c3a4de24ec629e3281e04460c147e5949f703b54
[INFO] running `"docker" "start" "-a" "a6c4637dd635cecc77a7c653c3a4de24ec629e3281e04460c147e5949f703b54"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking bytes v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio v0.6.20
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking futures-intrusive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:444:22
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let result = { self.inner.lock().try_send(value) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:468:22
[INFO] [stderr]     |
[INFO] [stderr] 468 |         let result = { self.inner.lock().try_receive() };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:512:13
[INFO] [stderr]     |
[INFO] [stderr] 512 |             { self.inner.lock().send_or_register(wait_node, cx) };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:539:22
[INFO] [stderr]     |
[INFO] [stderr] 539 |         let result = { self.inner.lock().receive_or_register(wait_node, cx) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:557:21
[INFO] [stderr]     |
[INFO] [stderr] 557 |         let waker = { self.inner.lock().remove_receive_waiter(wait_node) };
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/sync/mutex.rs:288:21
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let waker = { self.mutex.state.lock().unlock() };
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking futures-test v0.3.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:444:22
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let result = { self.inner.lock().try_send(value) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:468:22
[INFO] [stderr]     |
[INFO] [stderr] 468 |         let result = { self.inner.lock().try_receive() };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:512:13
[INFO] [stderr]     |
[INFO] [stderr] 512 |             { self.inner.lock().send_or_register(wait_node, cx) };
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:539:22
[INFO] [stderr]     |
[INFO] [stderr] 539 |         let result = { self.inner.lock().receive_or_register(wait_node, cx) };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/channel/mpmc.rs:557:21
[INFO] [stderr]     |
[INFO] [stderr] 557 |         let waker = { self.inner.lock().remove_receive_waiter(wait_node) };
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/sync/mutex.rs:288:21
[INFO] [stderr]     |
[INFO] [stderr] 288 |         let waker = { self.mutex.state.lock().unlock() };
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "a6c4637dd635cecc77a7c653c3a4de24ec629e3281e04460c147e5949f703b54"`
[INFO] running `"docker" "rm" "-f" "a6c4637dd635cecc77a7c653c3a4de24ec629e3281e04460c147e5949f703b54"`
[INFO] [stdout] a6c4637dd635cecc77a7c653c3a4de24ec629e3281e04460c147e5949f703b54
