[INFO] fetching crate vex-sys 0.3.1...
[INFO] checking vex-sys-0.3.1 against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] extracting crate vex-sys 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vex-sys 0.3.1
[INFO] finished tweaking crates.io crate vex-sys 0.3.1
[INFO] tweaked toml for crates.io crate vex-sys 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vex-sys 0.3.1 on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.69.5 (available: v0.72.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a750f1b39eb5b35f601c9e570ae03c6f890505bdb98140a74e3ba4651f0c7458
[INFO] running `Command { std: "docker" "start" "-a" "a750f1b39eb5b35f601c9e570ae03c6f890505bdb98140a74e3ba4651f0c7458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a750f1b39eb5b35f601c9e570ae03c6f890505bdb98140a74e3ba4651f0c7458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a750f1b39eb5b35f601c9e570ae03c6f890505bdb98140a74e3ba4651f0c7458", kill_on_drop: false }`
[INFO] [stdout] a750f1b39eb5b35f601c9e570ae03c6f890505bdb98140a74e3ba4651f0c7458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6d646a3c6b2ce8d16cb91107e97262bec898d6b49feb9d00396aafe4e4fa74
[INFO] running `Command { std: "docker" "start" "-a" "3b6d646a3c6b2ce8d16cb91107e97262bec898d6b49feb9d00396aafe4e4fa74", kill_on_drop: false }`
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling vex-sys v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_bytes`
[INFO] [stdout]   --> src/lib.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(log_bytes)]
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(log_bytes)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(log_bytes)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_bytes`
[INFO] [stdout]   --> src/lib.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[cfg(not(log_bytes))]
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(log_bytes)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(log_bytes)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_0` is never used
[INFO] [stdout]   --> src/lib.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |     unsafe extern "C" fn return_0(
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]    --> src/lib.rs:125:39
[INFO] [stdout]     |
[INFO] [stdout] 125 |         vta.guest_bytes_addr = sanity as Addr;
[INFO] [stdout]     |                                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]     |
[INFO] [stdout] 125 |         vta.guest_bytes_addr = sanity as *const () as Addr;
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 50s
[INFO] running `Command { std: "docker" "inspect" "3b6d646a3c6b2ce8d16cb91107e97262bec898d6b49feb9d00396aafe4e4fa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6d646a3c6b2ce8d16cb91107e97262bec898d6b49feb9d00396aafe4e4fa74", kill_on_drop: false }`
[INFO] [stdout] 3b6d646a3c6b2ce8d16cb91107e97262bec898d6b49feb9d00396aafe4e4fa74
