[INFO] fetching crate membarrier 0.2.1...
[INFO] checking membarrier-0.2.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate membarrier 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate membarrier 0.2.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate membarrier 0.2.1
[INFO] finished tweaking crates.io crate membarrier 0.2.1
[INFO] tweaked toml for crates.io crate membarrier 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b15e68cb420a6c83b2babb8a279ee9ae77bd9e36a60117b595517d9bbb028fb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b15e68cb420a6c83b2babb8a279ee9ae77bd9e36a60117b595517d9bbb028fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15e68cb420a6c83b2babb8a279ee9ae77bd9e36a60117b595517d9bbb028fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15e68cb420a6c83b2babb8a279ee9ae77bd9e36a60117b595517d9bbb028fb6", kill_on_drop: false }`
[INFO] [stdout] b15e68cb420a6c83b2babb8a279ee9ae77bd9e36a60117b595517d9bbb028fb6
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57889b885ea054bd02230d28eac33d3d3e54eea05caad8dc2628c27428834b6c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57889b885ea054bd02230d28eac33d3d3e54eea05caad8dc2628c27428834b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking membarrier v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:137:33
[INFO] [stdout]     |
[INFO] [stdout] 137 |         MEMBARRIER_CMD_GLOBAL = (1 << 0),
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:138:43
[INFO] [stdout]     |
[INFO] [stdout] 138 |         MEMBARRIER_CMD_GLOBAL_EXPEDITED = (1 << 1),
[INFO] [stdout]     |                                           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:139:52
[INFO] [stdout]     |
[INFO] [stdout] 139 |         MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED = (1 << 2),
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:140:44
[INFO] [stdout]     |
[INFO] [stdout] 140 |         MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3),
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:141:53
[INFO] [stdout]     |
[INFO] [stdout] 141 |         MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED = (1 << 4),
[INFO] [stdout]     |                                                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:142:54
[INFO] [stdout]     |
[INFO] [stdout] 142 |         MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 5),
[INFO] [stdout]     |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:143:63
[INFO] [stdout]     |
[INFO] [stdout] 143 |         MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6),
[INFO] [stdout]     |                                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:137:33
[INFO] [stdout]     |
[INFO] [stdout] 137 |         MEMBARRIER_CMD_GLOBAL = (1 << 0),
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:138:43
[INFO] [stdout]     |
[INFO] [stdout] 138 |         MEMBARRIER_CMD_GLOBAL_EXPEDITED = (1 << 1),
[INFO] [stdout]     |                                           ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:139:52
[INFO] [stdout]     |
[INFO] [stdout] 139 |         MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED = (1 << 2),
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:140:44
[INFO] [stdout]     |
[INFO] [stdout] 140 |         MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3),
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:141:53
[INFO] [stdout]     |
[INFO] [stdout] 141 |         MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED = (1 << 4),
[INFO] [stdout]     |                                                     ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:142:54
[INFO] [stdout]     |
[INFO] [stdout] 142 |         MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 5),
[INFO] [stdout]     |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:143:63
[INFO] [stdout]     |
[INFO] [stdout] 143 |         MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6),
[INFO] [stdout]     |                                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:247:59
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:247:59
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "57889b885ea054bd02230d28eac33d3d3e54eea05caad8dc2628c27428834b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57889b885ea054bd02230d28eac33d3d3e54eea05caad8dc2628c27428834b6c", kill_on_drop: false }`
[INFO] [stdout] 57889b885ea054bd02230d28eac33d3d3e54eea05caad8dc2628c27428834b6c