[INFO] crate battery-ffi 0.7.4 is already in cache
[INFO] testing battery-ffi-0.7.4 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate battery-ffi 0.7.4 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate battery-ffi 0.7.4 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate battery-ffi 0.7.4
[INFO] finished tweaking crates.io crate battery-ffi 0.7.4
[INFO] tweaked toml for crates.io crate battery-ffi 0.7.4 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7900ff48bd15e52eaf8655bf432da81cf63746d0a1c45382cf66c120be90cac3
[INFO] running `"docker" "start" "-a" "7900ff48bd15e52eaf8655bf432da81cf63746d0a1c45382cf66c120be90cac3"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling battery v0.7.4
[INFO] [stderr]    Compiling uom v0.23.1
[INFO] [stderr]    Compiling cbindgen v0.8.7
[INFO] [stderr]    Compiling battery-ffi v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]   |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]   |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:16:40
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn take_last_error() -> Option<Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `battery_lib::Batteries` that must be used
[INFO] [stderr]   --> src/iterator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Box::from_raw(ptr);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: iterator adaptors are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `"docker" "inspect" "7900ff48bd15e52eaf8655bf432da81cf63746d0a1c45382cf66c120be90cac3"`
[INFO] running `"docker" "rm" "-f" "7900ff48bd15e52eaf8655bf432da81cf63746d0a1c45382cf66c120be90cac3"`
[INFO] [stdout] 7900ff48bd15e52eaf8655bf432da81cf63746d0a1c45382cf66c120be90cac3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 16dedae8b2ea91881545bdb3f13fbc26315c0dbf2a2a746f4487e62ec0450e63
[INFO] running `"docker" "start" "-a" "16dedae8b2ea91881545bdb3f13fbc26315c0dbf2a2a746f4487e62ec0450e63"`
[INFO] [stderr]    Compiling battery-ffi v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]   |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/errors.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |     static LAST_ERROR: RefCell<Option<Box<Error>>> = RefCell::new(None);
[INFO] [stderr]   |                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:16:40
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn take_last_error() -> Option<Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `battery_lib::Batteries` that must be used
[INFO] [stderr]   --> src/iterator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     Box::from_raw(ptr);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: iterator adaptors are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "16dedae8b2ea91881545bdb3f13fbc26315c0dbf2a2a746f4487e62ec0450e63"`
[INFO] running `"docker" "rm" "-f" "16dedae8b2ea91881545bdb3f13fbc26315c0dbf2a2a746f4487e62ec0450e63"`
[INFO] [stdout] 16dedae8b2ea91881545bdb3f13fbc26315c0dbf2a2a746f4487e62ec0450e63
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 37a15c5299fec14d462f23cdfa9140e076a0cab8fe4320885a4cf137d6fb5484
[INFO] running `"docker" "start" "-a" "37a15c5299fec14d462f23cdfa9140e076a0cab8fe4320885a4cf137d6fb5484"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/battery_ffi-31e0e7601a9a3a9e
[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" "37a15c5299fec14d462f23cdfa9140e076a0cab8fe4320885a4cf137d6fb5484"`
[INFO] running `"docker" "rm" "-f" "37a15c5299fec14d462f23cdfa9140e076a0cab8fe4320885a4cf137d6fb5484"`
[INFO] [stdout] 37a15c5299fec14d462f23cdfa9140e076a0cab8fe4320885a4cf137d6fb5484