[INFO] crate chip8_vm 0.4.0 is already in cache
[INFO] testing chip8_vm-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate chip8_vm 0.4.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate chip8_vm 0.4.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chip8_vm 0.4.0
[INFO] finished tweaking crates.io crate chip8_vm 0.4.0
[INFO] tweaked toml for crates.io crate chip8_vm 0.4.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 41a26a99a6fe8f26f915e0d9ddf9f295f94fd56ae3e177c75629d5125ded5421
[INFO] running `"docker" "start" "-a" "41a26a99a6fe8f26f915e0d9ddf9f295f94fd56ae3e177c75629d5125ded5421"`
[INFO] [stderr]    Compiling chip8_vm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&Error> {
[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/vm.rs:116:45
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn load_rom(&mut self, reader: &mut Read) -> Result<usize, Chip8Error> {
[INFO] [stderr]     |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vm.rs:133:41
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn dump_ram(&self, writer: &mut Write) {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:341:21
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 let mut dst = &mut self.ram[i..i+vx+1];
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "41a26a99a6fe8f26f915e0d9ddf9f295f94fd56ae3e177c75629d5125ded5421"`
[INFO] running `"docker" "rm" "-f" "41a26a99a6fe8f26f915e0d9ddf9f295f94fd56ae3e177c75629d5125ded5421"`
[INFO] [stdout] 41a26a99a6fe8f26f915e0d9ddf9f295f94fd56ae3e177c75629d5125ded5421
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f9d662615eab2b605669288a7a7e8deae0237c2afb063742bc32f70db4bcc5c9
[INFO] running `"docker" "start" "-a" "f9d662615eab2b605669288a7a7e8deae0237c2afb063742bc32f70db4bcc5c9"`
[INFO] [stderr]    Compiling chip8_vm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&Error> {
[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/vm.rs:116:45
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn load_rom(&mut self, reader: &mut Read) -> Result<usize, Chip8Error> {
[INFO] [stderr]     |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vm.rs:133:41
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn dump_ram(&self, writer: &mut Write) {
[INFO] [stderr]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/vm.rs:341:21
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 let mut dst = &mut self.ram[i..i+vx+1];
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "f9d662615eab2b605669288a7a7e8deae0237c2afb063742bc32f70db4bcc5c9"`
[INFO] running `"docker" "rm" "-f" "f9d662615eab2b605669288a7a7e8deae0237c2afb063742bc32f70db4bcc5c9"`
[INFO] [stdout] f9d662615eab2b605669288a7a7e8deae0237c2afb063742bc32f70db4bcc5c9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ea2c6604892b732ca5fe7cd678d12781d1aae1ee037f97f45d8f8374c68de55a
[INFO] running `"docker" "start" "-a" "ea2c6604892b732ca5fe7cd678d12781d1aae1ee037f97f45d8f8374c68de55a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8_vm-404bdfe83f711f18
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test instructions::tests::unknown_register ... ok
[INFO] [stdout] test instructions::tests::known_register ... ok
[INFO] [stdout] test vm::tests::add_k ... ok
[INFO] [stdout] test vm::tests::add_k_overflows ... ok
[INFO] [stdout] test vm::tests::add_vx ... ok
[INFO] [stdout] test vm::tests::add_vx_overflows ... ok
[INFO] [stdout] test vm::tests::oversized_rom ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_inplace ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_vy ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_vy ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_inplace ... ok
[INFO] [stdout] test vm::tests::sub_borrow ... ok
[INFO] [stdout] test vm::tests::sub_inv ... ok
[INFO] [stdout] test vm::tests::sub_inv_borrow ... ok
[INFO] [stdout] test vm::tests::sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip8_vm
[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" "ea2c6604892b732ca5fe7cd678d12781d1aae1ee037f97f45d8f8374c68de55a"`
[INFO] running `"docker" "rm" "-f" "ea2c6604892b732ca5fe7cd678d12781d1aae1ee037f97f45d8f8374c68de55a"`
[INFO] [stdout] ea2c6604892b732ca5fe7cd678d12781d1aae1ee037f97f45d8f8374c68de55a