[INFO] fetching crate yoga-sys 0.2.3...
[INFO] checking yoga-sys-0.2.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate yoga-sys 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate yoga-sys 0.2.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yoga-sys 0.2.3
[INFO] finished tweaking crates.io crate yoga-sys 0.2.3
[INFO] tweaked toml for crates.io crate yoga-sys 0.2.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e887c565fc7ec7d4785eb41b0b924ef01491ba1fe4d389c039263142ce823ad
[INFO] running `Command { std: "docker" "start" "-a" "1e887c565fc7ec7d4785eb41b0b924ef01491ba1fe4d389c039263142ce823ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e887c565fc7ec7d4785eb41b0b924ef01491ba1fe4d389c039263142ce823ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e887c565fc7ec7d4785eb41b0b924ef01491ba1fe4d389c039263142ce823ad", kill_on_drop: false }`
[INFO] [stdout] 1e887c565fc7ec7d4785eb41b0b924ef01491ba1fe4d389c039263142ce823ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a81bdf27e566feac696864aabe60541af151382e1a30162d30316e4b2a2001c4
[INFO] running `Command { std: "docker" "start" "-a" "a81bdf27e566feac696864aabe60541af151382e1a30162d30316e4b2a2001c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo_metadata v0.12.3
[INFO] [stderr]     Checking skeptic v0.13.6
[INFO] [stderr]    Compiling yoga-sys v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: c/YGNodeList.cpp: In function 'YGNodeList* YGNodeListNew(uint32_t)':
[INFO] [stderr] warning: c/YGNodeList.cpp:22:60: warning: type qualifiers ignored on cast result type [-Wignored-qualifiers]
[INFO] [stderr] warning:    22 |       (const YGNodeListRef)malloc(sizeof(struct YGNodeList));
[INFO] [stderr] warning:       |                                                            ^
[INFO] [stderr] warning: c/Yoga.cpp: In function 'YGNode* YGNodeNewWithConfig(YGConfigRef)':
[INFO] [stderr] warning: c/Yoga.cpp:174:64: warning: type qualifiers ignored on cast result type [-Wignored-qualifiers]
[INFO] [stderr] warning:   174 |   const YGNodeRef node = (const YGNodeRef)malloc(sizeof(YGNode));
[INFO] [stderr] warning:       |                                                                ^
[INFO] [stderr] warning: c/Yoga.cpp: In function 'YGNode* YGNodeClone(YGNodeRef)':
[INFO] [stderr] warning: c/Yoga.cpp:193:64: warning: type qualifiers ignored on cast result type [-Wignored-qualifiers]
[INFO] [stderr] warning:   193 |   const YGNodeRef node = (const YGNodeRef)malloc(sizeof(YGNode));
[INFO] [stderr] warning:       |                                                                ^
[INFO] [stderr] warning: c/Yoga.cpp: In function 'YGConfig* YGConfigNew()':
[INFO] [stderr] warning: c/Yoga.cpp:268:72: warning: type qualifiers ignored on cast result type [-Wignored-qualifiers]
[INFO] [stderr] warning:   268 |   const YGConfigRef config = (const YGConfigRef)malloc(sizeof(YGConfig));
[INFO] [stderr] warning:       |                                                                        ^
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |         unsafe { &(*(0 as *const YGSize)).width as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |         unsafe { &(*(0 as *const YGSize)).height as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:236:19
[INFO] [stdout]     |
[INFO] [stdout] 236 |         unsafe { &(*(0 as *const YGValue)).value as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 |         unsafe { &(*(0 as *const YGValue)).unit as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:783:19
[INFO] [stdout]     |
[INFO] [stdout] 783 |         unsafe { &(*(0 as *const __va_list_tag)).gp_offset as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:793:19
[INFO] [stdout]     |
[INFO] [stdout] 793 |         unsafe { &(*(0 as *const __va_list_tag)).fp_offset as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:803:19
[INFO] [stdout]     |
[INFO] [stdout] 803 |         unsafe { &(*(0 as *const __va_list_tag)).overflow_arg_area as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/ffi.rs:813:19
[INFO] [stdout]     |
[INFO] [stdout] 813 |         unsafe { &(*(0 as *const __va_list_tag)).reg_save_area as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.80s
[INFO] running `Command { std: "docker" "inspect" "a81bdf27e566feac696864aabe60541af151382e1a30162d30316e4b2a2001c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81bdf27e566feac696864aabe60541af151382e1a30162d30316e4b2a2001c4", kill_on_drop: false }`
[INFO] [stdout] a81bdf27e566feac696864aabe60541af151382e1a30162d30316e4b2a2001c4