[INFO] crate libtar-sys 0.1.9 is already in cache
[INFO] extracting crate libtar-sys 0.1.9 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/libtar-sys/0.1.9
[INFO] extracting crate libtar-sys 0.1.9 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/libtar-sys/0.1.9
[INFO] validating manifest of libtar-sys-0.1.9 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of libtar-sys-0.1.9 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing libtar-sys-0.1.9
[INFO] finished frobbing libtar-sys-0.1.9
[INFO] frobbed toml for libtar-sys-0.1.9 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/libtar-sys/0.1.9/Cargo.toml
[INFO] started frobbing libtar-sys-0.1.9
[INFO] finished frobbing libtar-sys-0.1.9
[INFO] frobbed toml for libtar-sys-0.1.9 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/libtar-sys/0.1.9/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libtar-sys-0.1.9 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/libtar-sys/0.1.9:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 78fb8e3acafc91458e65844203732a037916a7cb5597ae45523caa48fb043c8a
[INFO] running `"docker" "start" "-a" "78fb8e3acafc91458e65844203732a037916a7cb5597ae45523caa48fb043c8a"`
[INFO] [stderr]    Compiling libtar-sys v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] warning: `extern` block uses type `char` which is not FFI-safe: the `char` type has no C equivalent
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn tar_open(t: *mut *mut TAR, pathname: *const c_char, typo: *mut c_void,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `char` which is not FFI-safe: the `char` type has no C equivalent
[INFO] [stderr]   --> src/lib.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn tar_close(t: *mut TAR) -> c_int;
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `char` which is not FFI-safe: the `char` type has no C equivalent
[INFO] [stderr]   --> src/lib.rs:55:31
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn tar_extract_all(t: *mut TAR, prefix: *const c_char) -> c_int;
[INFO] [stderr]    |                               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `char` which is not FFI-safe: the `char` type has no C equivalent
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn tar_open(t: *mut *mut TAR, pathname: *const c_char, typo: *mut c_void,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `char` which is not FFI-safe: the `char` type has no C equivalent
[INFO] [stderr]   --> src/lib.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn tar_close(t: *mut TAR) -> c_int;
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `char` which is not FFI-safe: the `char` type has no C equivalent
[INFO] [stderr]   --> src/lib.rs:55:31
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn tar_extract_all(t: *mut TAR, prefix: *const c_char) -> c_int;
[INFO] [stderr]    |                               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `"docker" "inspect" "78fb8e3acafc91458e65844203732a037916a7cb5597ae45523caa48fb043c8a"`
[INFO] running `"docker" "rm" "-f" "78fb8e3acafc91458e65844203732a037916a7cb5597ae45523caa48fb043c8a"`
[INFO] [stdout] 78fb8e3acafc91458e65844203732a037916a7cb5597ae45523caa48fb043c8a