[INFO] fetching crate creachadair-imath-sys 0.1.2...
[INFO] checking creachadair-imath-sys-0.1.2 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate creachadair-imath-sys 0.1.2 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate creachadair-imath-sys 0.1.2 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate creachadair-imath-sys 0.1.2
[INFO] finished tweaking crates.io crate creachadair-imath-sys 0.1.2
[INFO] tweaked toml for crates.io crate creachadair-imath-sys 0.1.2 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06dc3b69fc8c56610c22c43652d8011db984de2f4ecf65ca60a12336db8c8919
[INFO] running `Command { std: "docker" "start" "-a" "06dc3b69fc8c56610c22c43652d8011db984de2f4ecf65ca60a12336db8c8919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06dc3b69fc8c56610c22c43652d8011db984de2f4ecf65ca60a12336db8c8919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06dc3b69fc8c56610c22c43652d8011db984de2f4ecf65ca60a12336db8c8919", kill_on_drop: false }`
[INFO] [stdout] 06dc3b69fc8c56610c22c43652d8011db984de2f4ecf65ca60a12336db8c8919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b1aaa02d1bd419c78bd9e9ad94648c58587a30d248fedd1f1e7c1f1a680774f
[INFO] running `Command { std: "docker" "start" "-a" "2b1aaa02d1bd419c78bd9e9ad94648c58587a30d248fedd1f1e7c1f1a680774f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling clang-sys v1.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling creachadair-imath-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: /opt/rustwide/workdir/vendor/imath/imath.c: In function 's_realloc':
[INFO] [stderr] warning: /opt/rustwide/workdir/vendor/imath/imath.c:1700:51: warning: unused parameter 'osize' [-Wunused-parameter]
[INFO] [stderr] warning:  1700 | static mp_digit *s_realloc(mp_digit *old, mp_size osize, mp_size nsize) {
[INFO] [stderr] warning:       |                                           ~~~~~~~~^~~~~
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:980
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpz_t > ())) . single as * const _ as usize } , 0usize , concat ! ("Offset of fiel...
[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]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:1179
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpz_t > ())) . digits as * const _ as usize } , 8usize , concat ! ("Offset of fiel...
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:1378
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpz_t > ())) . alloc as * const _ as usize } , 16usize , concat ! ("Offset of fiel...
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:1576
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpz_t > ())) . used as * const _ as usize } , 20usize , concat ! ("Offset of field...
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:1772
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpz_t > ())) . sign as * const _ as usize } , 24usize , concat ! ("Offset of field...
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:20570
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpq_t > ())) . num as * const _ as usize } , 0usize , concat ! ("Offset of field: ...
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/creachadair-imath-sys-19fdddb0705b442f/out/bindings.rs:3:20763
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...rt_eq ! (unsafe { & (* (:: core :: ptr :: null :: < mpq_t > ())) . den as * const _ as usize } , 32usize , concat ! ("Offset of field:...
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.42s
[INFO] running `Command { std: "docker" "inspect" "2b1aaa02d1bd419c78bd9e9ad94648c58587a30d248fedd1f1e7c1f1a680774f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1aaa02d1bd419c78bd9e9ad94648c58587a30d248fedd1f1e7c1f1a680774f", kill_on_drop: false }`
[INFO] [stdout] 2b1aaa02d1bd419c78bd9e9ad94648c58587a30d248fedd1f1e7c1f1a680774f