[INFO] fetching crate metis-sys 0.1.1...
[INFO] checking metis-sys-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate metis-sys 0.1.1 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate metis-sys 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metis-sys 0.1.1
[INFO] finished tweaking crates.io crate metis-sys 0.1.1
[INFO] tweaked toml for crates.io crate metis-sys 0.1.1 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aad971dd31dbe95cebc6435ae59f16923152d40c735ca471531f822d0402812
[INFO] running `Command { std: "docker" "start" "-a" "4aad971dd31dbe95cebc6435ae59f16923152d40c735ca471531f822d0402812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aad971dd31dbe95cebc6435ae59f16923152d40c735ca471531f822d0402812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aad971dd31dbe95cebc6435ae59f16923152d40c735ca471531f822d0402812", kill_on_drop: false }`
[INFO] [stdout] 4aad971dd31dbe95cebc6435ae59f16923152d40c735ca471531f822d0402812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7242267ac6ab39dcee4bb6de0ea7b5db498b099ac6e7cb1337eb2ab75811fb0
[INFO] running `Command { std: "docker" "start" "-a" "e7242267ac6ab39dcee4bb6de0ea7b5db498b099ac6e7cb1337eb2ab75811fb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling metis-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/metis-sys-d952c4e9ae7bd680/out/bindings.rs:3:15516
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...t_eq ! (unsafe { & (* (:: std :: ptr :: null :: < __fsid_t > ())) . __val 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/metis-sys-d952c4e9ae7bd680/out/bindings.rs:3:18571
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < imaxdiv_t > ())) . quot 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/metis-sys-d952c4e9ae7bd680/out/bindings.rs:3:18773
[INFO] [stdout]   |
[INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < imaxdiv_t > ())) . rem as * const _ as usize } , 8usize , concat ! ("Offset of field:...
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.67s
[INFO] running `Command { std: "docker" "inspect" "e7242267ac6ab39dcee4bb6de0ea7b5db498b099ac6e7cb1337eb2ab75811fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7242267ac6ab39dcee4bb6de0ea7b5db498b099ac6e7cb1337eb2ab75811fb0", kill_on_drop: false }`
[INFO] [stdout] e7242267ac6ab39dcee4bb6de0ea7b5db498b099ac6e7cb1337eb2ab75811fb0
