[INFO] crate pprzlink 0.3.1 is already in cache
[INFO] extracting crate pprzlink 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/pprzlink/0.3.1
[INFO] extracting crate pprzlink 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pprzlink/0.3.1
[INFO] validating manifest of pprzlink-0.3.1 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 pprzlink-0.3.1 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 pprzlink-0.3.1
[INFO] finished frobbing pprzlink-0.3.1
[INFO] frobbed toml for pprzlink-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pprzlink/0.3.1/Cargo.toml
[INFO] started frobbing pprzlink-0.3.1
[INFO] finished frobbing pprzlink-0.3.1
[INFO] frobbed toml for pprzlink-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pprzlink/0.3.1/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 pprzlink-0.3.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/pprzlink/0.3.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ba9cba6711fe6c8be52afd89165671ebf38b15e9fd8f4043df5bf981308d2000
[INFO] running `"docker" "start" "-a" "ba9cba6711fe6c8be52afd89165671ebf38b15e9fd8f4043df5bf981308d2000"`
[INFO] [stderr]    Compiling ivyrust v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(libc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | use libc::{c_void,c_char};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:34:30
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn IvyInit(app_name: *const c_char, ready_msg: *const c_char, callback: *const c_void, app_data: *const c_void, die_callback: *const c_void, die_data: *const c_void);
[INFO] [stderr]    |                                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:34:56
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn IvyInit(app_name: *const c_char, ready_msg: *const c_char, callback: *const c_void, app_data: *const c_void, die_callback: *const c_void, die_data: *const c_void);
[INFO] [stderr]    |                                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:35:31
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn IvyStart(bus_addr: *const c_char);
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn IvySendMsg(fmt_message: *const c_char, ...);
[INFO] [stderr]    |                                       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:39:110
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn IvyBindMsg(callback: extern fn(app: IvyClientPtr, user_data: *mut c_void, argc: i32, argv: *const *const c_char),
[INFO] [stderr]    |                                                                                                                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:40:49
[INFO] [stderr]    |
[INFO] [stderr] 40 |                         user_data: *const c_void, regexpr: *const c_char, ...) -> MsgRcvPtr;
[INFO] [stderr]    |                                                                   ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:42:53
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn IvyChangeMsg (msg: MsgRcvPtr, fmt_regex: *const c_char, ... ) -> MsgRcvPtr;
[INFO] [stderr]    |                                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ivyrust-0.1.1/src/lib.rs:155:104
[INFO] [stderr]     |
[INFO] [stderr] 155 | extern "C" fn apply_closure(_app: IvyClientPtr, user_data: *mut c_void, argc: i32, argv: *const *const c_char) {
[INFO] [stderr]     |                                                                                                        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27812
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `ivyrust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ba9cba6711fe6c8be52afd89165671ebf38b15e9fd8f4043df5bf981308d2000"`
[INFO] running `"docker" "rm" "-f" "ba9cba6711fe6c8be52afd89165671ebf38b15e9fd8f4043df5bf981308d2000"`
[INFO] [stdout] ba9cba6711fe6c8be52afd89165671ebf38b15e9fd8f4043df5bf981308d2000