[INFO] fetching crate boolector-sys 0.6.3...
[INFO] checking boolector-sys-0.6.3 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate boolector-sys 0.6.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate boolector-sys 0.6.3 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boolector-sys 0.6.3
[INFO] finished tweaking crates.io crate boolector-sys 0.6.3
[INFO] tweaked toml for crates.io crate boolector-sys 0.6.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66a9ff380fc11d62f01b03ea0f709198e1022f4ac08aef089a55f4c332216631
[INFO] running `Command { std: "docker" "start" "-a" "66a9ff380fc11d62f01b03ea0f709198e1022f4ac08aef089a55f4c332216631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a9ff380fc11d62f01b03ea0f709198e1022f4ac08aef089a55f4c332216631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a9ff380fc11d62f01b03ea0f709198e1022f4ac08aef089a55f4c332216631", kill_on_drop: false }`
[INFO] [stdout] 66a9ff380fc11d62f01b03ea0f709198e1022f4ac08aef089a55f4c332216631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdfea79207fc827d83fee141d4eb461fb2b0fcd9a3e22e261f3fcc98700bad34
[INFO] running `Command { std: "docker" "start" "-a" "cdfea79207fc827d83fee141d4eb461fb2b0fcd9a3e22e261f3fcc98700bad34", kill_on_drop: false }`
[INFO] [stderr]    Compiling boolector-sys v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/../src-generated/bindings.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |         unsafe { &(*(::std::ptr::null::<BtorAbortCallback>())).abort_fun 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/../src-generated/bindings.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |         unsafe { &(*(::std::ptr::null::<BtorAbortCallback>())).cb_fun as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdfea79207fc827d83fee141d4eb461fb2b0fcd9a3e22e261f3fcc98700bad34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfea79207fc827d83fee141d4eb461fb2b0fcd9a3e22e261f3fcc98700bad34", kill_on_drop: false }`
[INFO] [stdout] cdfea79207fc827d83fee141d4eb461fb2b0fcd9a3e22e261f3fcc98700bad34