[INFO] crate rust-cgui 0.1.22 is already in cache
[INFO] extracting crate rust-cgui 0.1.22 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-cgui/0.1.22
[INFO] extracting crate rust-cgui 0.1.22 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-cgui/0.1.22
[INFO] validating manifest of rust-cgui-0.1.22 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-cgui-0.1.22 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-cgui-0.1.22
[INFO] finished frobbing rust-cgui-0.1.22
[INFO] frobbed toml for rust-cgui-0.1.22 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-cgui/0.1.22/Cargo.toml
[INFO] started frobbing rust-cgui-0.1.22
[INFO] finished frobbing rust-cgui-0.1.22
[INFO] frobbed toml for rust-cgui-0.1.22 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-cgui/0.1.22/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-cgui-0.1.22 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-cgui/0.1.22:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1d3f9c0c9ba9bed01e4ae06643e287c436e992c10a5d81883d072c23326c7a85
[INFO] running `"docker" "start" "-a" "1d3f9c0c9ba9bed01e4ae06643e287c436e992c10a5d81883d072c23326c7a85"`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling rust-cgui v0.1.22 (/opt/crater/workdir)
[INFO] [stderr] warning: the type `x11_dl::xlib::Xlib` does not permit being left uninitialized
[INFO] [stderr]    --> src/lib.rs:128:31
[INFO] [stderr]     |
[INFO] [stderr] 128 |         xlib_dl_obj: unsafe { mem::uninitialized() },
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               this code causes undefined behavior when executed
[INFO] [stderr]     |                               help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: Function pointers must be non-null (in this struct field)
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/x11-dl-2.18.4/src/link.rs:30:9
[INFO] [stderr]     |
[INFO] [stderr] 30  |       $(pub $fn_name: unsafe extern "C" fn ($($param_type),*) -> $ret_type,)*
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ffi::{CStr};
[INFO] [stderr]    |                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.93s
[INFO] running `"docker" "inspect" "1d3f9c0c9ba9bed01e4ae06643e287c436e992c10a5d81883d072c23326c7a85"`
[INFO] running `"docker" "rm" "-f" "1d3f9c0c9ba9bed01e4ae06643e287c436e992c10a5d81883d072c23326c7a85"`
[INFO] [stdout] 1d3f9c0c9ba9bed01e4ae06643e287c436e992c10a5d81883d072c23326c7a85
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-cgui/0.1.22:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ca6aadbc45cd87850bd9abe887915937700afaa30e00c24413493add608814b8
[INFO] running `"docker" "start" "-a" "ca6aadbc45cd87850bd9abe887915937700afaa30e00c24413493add608814b8"`
[INFO] [stderr]    Compiling rust-cgui v0.1.22 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ffi::{CStr};
[INFO] [stderr]    |                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `x11_dl::xlib::Xlib` does not permit being left uninitialized
[INFO] [stderr]    --> src/lib.rs:128:31
[INFO] [stderr]     |
[INFO] [stderr] 128 |         xlib_dl_obj: unsafe { mem::uninitialized() },
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               this code causes undefined behavior when executed
[INFO] [stderr]     |                               help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: Function pointers must be non-null (in this struct field)
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/x11-dl-2.18.4/src/link.rs:30:9
[INFO] [stderr]     |
[INFO] [stderr] 30  |       $(pub $fn_name: unsafe extern "C" fn ($($param_type),*) -> $ret_type,)*
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "ca6aadbc45cd87850bd9abe887915937700afaa30e00c24413493add608814b8"`
[INFO] running `"docker" "rm" "-f" "ca6aadbc45cd87850bd9abe887915937700afaa30e00c24413493add608814b8"`
[INFO] [stdout] ca6aadbc45cd87850bd9abe887915937700afaa30e00c24413493add608814b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-cgui/0.1.22:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] cfc4df113fa04387a20ced47bd6271d2aeef854fd7092ea60813a0053b2b3dc5
[INFO] running `"docker" "start" "-a" "cfc4df113fa04387a20ced47bd6271d2aeef854fd7092ea60813a0053b2b3dc5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cgui-7954c8c973e061e0
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cgui_bin-8c3ac14e589ff9c8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cgui
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cfc4df113fa04387a20ced47bd6271d2aeef854fd7092ea60813a0053b2b3dc5"`
[INFO] running `"docker" "rm" "-f" "cfc4df113fa04387a20ced47bd6271d2aeef854fd7092ea60813a0053b2b3dc5"`
[INFO] [stdout] cfc4df113fa04387a20ced47bd6271d2aeef854fd7092ea60813a0053b2b3dc5