[INFO] fetching crate membarrier 0.2.1...
[INFO] checking membarrier-0.2.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate membarrier 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate membarrier 0.2.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a356f7d826f0a4db52b97d5bb8c392742212cd6eff7fd05efb08ed978742d531
[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" "a356f7d826f0a4db52b97d5bb8c392742212cd6eff7fd05efb08ed978742d531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a356f7d826f0a4db52b97d5bb8c392742212cd6eff7fd05efb08ed978742d531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a356f7d826f0a4db52b97d5bb8c392742212cd6eff7fd05efb08ed978742d531", kill_on_drop: false }`
[INFO] [stdout] a356f7d826f0a4db52b97d5bb8c392742212cd6eff7fd05efb08ed978742d531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114d5b8a59cd1e178e8205132968ee1ee224e4876bcb750f36e937d75c31dbe5
[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" "114d5b8a59cd1e178e8205132968ee1ee224e4876bcb750f36e937d75c31dbe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[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: 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: 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: 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 2.51s
[INFO] running `Command { std: "docker" "inspect" "114d5b8a59cd1e178e8205132968ee1ee224e4876bcb750f36e937d75c31dbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114d5b8a59cd1e178e8205132968ee1ee224e4876bcb750f36e937d75c31dbe5", kill_on_drop: false }`
[INFO] [stdout] 114d5b8a59cd1e178e8205132968ee1ee224e4876bcb750f36e937d75c31dbe5