[INFO] fetching crate membarrier 0.2.2...
[INFO] testing membarrier-0.2.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate membarrier 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate membarrier 0.2.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate membarrier 0.2.2
[INFO] finished tweaking crates.io crate membarrier 0.2.2
[INFO] tweaked toml for crates.io crate membarrier 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9fef27b8496dedc4626cc1f066c26bcdc0ad191d4f51bd187f782dd1c6325068
[INFO] running `Command { std: "docker" "start" "-a" "9fef27b8496dedc4626cc1f066c26bcdc0ad191d4f51bd187f782dd1c6325068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fef27b8496dedc4626cc1f066c26bcdc0ad191d4f51bd187f782dd1c6325068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fef27b8496dedc4626cc1f066c26bcdc0ad191d4f51bd187f782dd1c6325068", kill_on_drop: false }`
[INFO] [stdout] 9fef27b8496dedc4626cc1f066c26bcdc0ad191d4f51bd187f782dd1c6325068
[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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975db5d1fb5a43b70fec09ba71227eac62b87efcc81dbfdf4776906b7759d2f4
[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" "975db5d1fb5a43b70fec09ba71227eac62b87efcc81dbfdf4776906b7759d2f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling membarrier v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:158:37
[INFO] [stdout]     |
[INFO] [stdout] 158 |             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:159:47
[INFO] [stdout]     |
[INFO] [stdout] 159 |             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:160:56
[INFO] [stdout]     |
[INFO] [stdout] 160 |             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:161:48
[INFO] [stdout]     |
[INFO] [stdout] 161 |             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:162:57
[INFO] [stdout]     |
[INFO] [stdout] 162 |             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:163:58
[INFO] [stdout]     |
[INFO] [stdout] 163 |             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:164:67
[INFO] [stdout]     |
[INFO] [stdout] 164 |             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:281:63
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "975db5d1fb5a43b70fec09ba71227eac62b87efcc81dbfdf4776906b7759d2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975db5d1fb5a43b70fec09ba71227eac62b87efcc81dbfdf4776906b7759d2f4", kill_on_drop: false }`
[INFO] [stdout] 975db5d1fb5a43b70fec09ba71227eac62b87efcc81dbfdf4776906b7759d2f4
[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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c63452274ec9d6478af1f06ea19d5a32ff5805c74ef23ef6559c1e6c0afe580f
[INFO] running `Command { std: "docker" "start" "-a" "c63452274ec9d6478af1f06ea19d5a32ff5805c74ef23ef6559c1e6c0afe580f", kill_on_drop: false }`
[INFO] [stderr]    Compiling membarrier v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:158:37
[INFO] [stdout]     |
[INFO] [stdout] 158 |             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:159:47
[INFO] [stdout]     |
[INFO] [stdout] 159 |             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:160:56
[INFO] [stdout]     |
[INFO] [stdout] 160 |             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:161:48
[INFO] [stdout]     |
[INFO] [stdout] 161 |             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:162:57
[INFO] [stdout]     |
[INFO] [stdout] 162 |             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:163:58
[INFO] [stdout]     |
[INFO] [stdout] 163 |             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:164:67
[INFO] [stdout]     |
[INFO] [stdout] 164 |             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:281:63
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     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: unnecessary parentheses around const expression
[INFO] [stdout]    --> src/lib.rs:158:37
[INFO] [stdout]     |
[INFO] [stdout] 158 |             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:159:47
[INFO] [stdout]     |
[INFO] [stdout] 159 |             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:160:56
[INFO] [stdout]     |
[INFO] [stdout] 160 |             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:161:48
[INFO] [stdout]     |
[INFO] [stdout] 161 |             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:162:57
[INFO] [stdout]     |
[INFO] [stdout] 162 |             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:163:58
[INFO] [stdout]     |
[INFO] [stdout] 163 |             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:164:67
[INFO] [stdout]     |
[INFO] [stdout] 164 |             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:281:63
[INFO] [stdout]     |
[INFO] [stdout] 281 |                     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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "c63452274ec9d6478af1f06ea19d5a32ff5805c74ef23ef6559c1e6c0afe580f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63452274ec9d6478af1f06ea19d5a32ff5805c74ef23ef6559c1e6c0afe580f", kill_on_drop: false }`
[INFO] [stdout] c63452274ec9d6478af1f06ea19d5a32ff5805c74ef23ef6559c1e6c0afe580f
[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=warn" "-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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9140938e56d9a7c916eb948ec96896b28793d3904e09012bb150940a8006da3
[INFO] running `Command { std: "docker" "start" "-a" "e9140938e56d9a7c916eb948ec96896b28793d3904e09012bb150940a8006da3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:158:37
[INFO] [stderr]     |
[INFO] [stderr] 158 |             MEMBARRIER_CMD_GLOBAL = (1 << 0),
[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 const expression
[INFO] [stderr]    --> src/lib.rs:159:47
[INFO] [stderr]     |
[INFO] [stderr] 159 |             MEMBARRIER_CMD_GLOBAL_EXPEDITED = (1 << 1),
[INFO] [stderr]     |                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:160:56
[INFO] [stderr]     |
[INFO] [stderr] 160 |             MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED = (1 << 2),
[INFO] [stderr]     |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:161:48
[INFO] [stderr]     |
[INFO] [stderr] 161 |             MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3),
[INFO] [stderr]     |                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:162:57
[INFO] [stderr]     |
[INFO] [stderr] 162 |             MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED = (1 << 4),
[INFO] [stderr]     |                                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:163:58
[INFO] [stderr]     |
[INFO] [stderr] 163 |             MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 5),
[INFO] [stderr]     |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:164:67
[INFO] [stderr]     |
[INFO] [stderr] 164 |             MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6),
[INFO] [stderr]     |                                                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:281:63
[INFO] [stderr]     |
[INFO] [stderr] 281 |                     let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:158:37
[INFO] [stderr]     |
[INFO] [stderr] 158 |             MEMBARRIER_CMD_GLOBAL = (1 << 0),
[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 const expression
[INFO] [stderr]    --> src/lib.rs:159:47
[INFO] [stderr]     |
[INFO] [stderr] 159 |             MEMBARRIER_CMD_GLOBAL_EXPEDITED = (1 << 1),
[INFO] [stderr]     |                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:160:56
[INFO] [stderr]     |
[INFO] [stderr] 160 |             MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED = (1 << 2),
[INFO] [stderr]     |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:161:48
[INFO] [stderr]     |
[INFO] [stderr] 161 |             MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3),
[INFO] [stderr]     |                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:162:57
[INFO] [stderr]     |
[INFO] [stderr] 162 |             MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED = (1 << 4),
[INFO] [stderr]     |                                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:163:58
[INFO] [stderr]     |
[INFO] [stderr] 163 |             MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 5),
[INFO] [stderr]     |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> src/lib.rs:164:67
[INFO] [stderr]     |
[INFO] [stderr] 164 |             MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6),
[INFO] [stderr]     |                                                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:281:63
[INFO] [stderr]     |
[INFO] [stderr] 281 |                     let mut attr: libc::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/membarrier-bf7ff125a01cbe4e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/membarrier-ff2703f539f278ee
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests membarrier
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:158:37
[INFO] [stderr]     |
[INFO] [stderr] 158 |             MEMBARRIER_CMD_GLOBAL = (1 << 0),
[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 const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:159:47
[INFO] [stderr]     |
[INFO] [stderr] 159 |             MEMBARRIER_CMD_GLOBAL_EXPEDITED = (1 << 1),
[INFO] [stderr]     |                                               ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:160:56
[INFO] [stderr]     |
[INFO] [stderr] 160 |             MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED = (1 << 2),
[INFO] [stderr]     |                                                        ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:161:48
[INFO] [stderr]     |
[INFO] [stderr] 161 |             MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3),
[INFO] [stderr]     |                                                ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:162:57
[INFO] [stderr]     |
[INFO] [stderr] 162 |             MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED = (1 << 4),
[INFO] [stderr]     |                                                         ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:163:58
[INFO] [stderr]     |
[INFO] [stderr] 163 |             MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 5),
[INFO] [stderr]     |                                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around const expression
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:164:67
[INFO] [stderr]     |
[INFO] [stderr] 164 |             MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE = (1 << 6),
[INFO] [stderr]     |                                                                   ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9140938e56d9a7c916eb948ec96896b28793d3904e09012bb150940a8006da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9140938e56d9a7c916eb948ec96896b28793d3904e09012bb150940a8006da3", kill_on_drop: false }`
[INFO] [stdout] e9140938e56d9a7c916eb948ec96896b28793d3904e09012bb150940a8006da3
