[INFO] fetching crate boolector-sys 0.6.3...
[INFO] checking boolector-sys-0.6.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate boolector-sys 0.6.3 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate boolector-sys 0.6.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 777a9a9f072d6153e774d932b1b8baf87eddf8e8a7be74962b59c80e7a69f723
[INFO] running `Command { std: "docker" "start" "-a" "777a9a9f072d6153e774d932b1b8baf87eddf8e8a7be74962b59c80e7a69f723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "777a9a9f072d6153e774d932b1b8baf87eddf8e8a7be74962b59c80e7a69f723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777a9a9f072d6153e774d932b1b8baf87eddf8e8a7be74962b59c80e7a69f723", kill_on_drop: false }`
[INFO] [stdout] 777a9a9f072d6153e774d932b1b8baf87eddf8e8a7be74962b59c80e7a69f723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b671d86251c0e18cb903925642bc5de7212aea9270b255c9b6e7c84559d336
[INFO] running `Command { std: "docker" "start" "-a" "62b671d86251c0e18cb903925642bc5de7212aea9270b255c9b6e7c84559d336", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "62b671d86251c0e18cb903925642bc5de7212aea9270b255c9b6e7c84559d336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b671d86251c0e18cb903925642bc5de7212aea9270b255c9b6e7c84559d336", kill_on_drop: false }`
[INFO] [stdout] 62b671d86251c0e18cb903925642bc5de7212aea9270b255c9b6e7c84559d336