[INFO] fetching crate bindgen 0.54.1...
[INFO] checking bindgen-0.54.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate bindgen 0.54.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bindgen 0.54.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bindgen 0.54.1
[INFO] finished tweaking crates.io crate bindgen 0.54.1
[INFO] tweaked toml for crates.io crate bindgen 0.54.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate bindgen 0.54.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.29.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dab6b8dd71a11bc774b379676ec8f0c4585cb5269150c56d542515f4766a3936
[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" "dab6b8dd71a11bc774b379676ec8f0c4585cb5269150c56d542515f4766a3936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab6b8dd71a11bc774b379676ec8f0c4585cb5269150c56d542515f4766a3936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab6b8dd71a11bc774b379676ec8f0c4585cb5269150c56d542515f4766a3936", kill_on_drop: false }`
[INFO] [stdout] dab6b8dd71a11bc774b379676ec8f0c4585cb5269150c56d542515f4766a3936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2922cdaff83a71f74b9ee905444d98737e64ec0e13b022ad329de8379d019de5
[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" "2922cdaff83a71f74b9ee905444d98737e64ec0e13b022ad329de8379d019de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling bindgen v0.54.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling clang-sys v0.29.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking which v3.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking env_logger v0.7.0
[INFO] [stderr]     Checking cexpr v0.4.0
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/ir/comp.rs:751:17
[INFO] [stdout]     |
[INFO] [stdout] 751 | /                 mem::replace(
[INFO] [stdout] 752 | |                     self,
[INFO] [stdout] 753 | |                     CompFields::AfterComputingBitfieldUnits {
[INFO] [stdout] 754 | |                         fields,
[INFO] [stdout] 755 | |                         has_bitfield_units,
[INFO] [stdout] 756 | |                     },
[INFO] [stdout] 757 | |                 );
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/ir/comp.rs:760:17
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 mem::replace(self, CompFields::ErrorComputingBitfieldUnits);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/ir/comp.rs:751:17
[INFO] [stdout]     |
[INFO] [stdout] 751 | /                 mem::replace(
[INFO] [stdout] 752 | |                     self,
[INFO] [stdout] 753 | |                     CompFields::AfterComputingBitfieldUnits {
[INFO] [stdout] 754 | |                         fields,
[INFO] [stdout] 755 | |                         has_bitfield_units,
[INFO] [stdout] 756 | |                     },
[INFO] [stdout] 757 | |                 );
[INFO] [stdout]     | |__________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/ir/comp.rs:760:17
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 mem::replace(self, CompFields::ErrorComputingBitfieldUnits);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.62s
[INFO] running `Command { std: "docker" "inspect" "2922cdaff83a71f74b9ee905444d98737e64ec0e13b022ad329de8379d019de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2922cdaff83a71f74b9ee905444d98737e64ec0e13b022ad329de8379d019de5", kill_on_drop: false }`
[INFO] [stdout] 2922cdaff83a71f74b9ee905444d98737e64ec0e13b022ad329de8379d019de5