[INFO] crate chip8_vm 0.4.0 is already in cache
[INFO] testing chip8_vm-0.4.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate chip8_vm 0.4.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate chip8_vm 0.4.0 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 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-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] ced8838202e5ec50670d1b29d850de4f98596dac9640f26c2cee444ffa241b74
[INFO] running `"docker" "start" "-a" "ced8838202e5ec50670d1b29d850de4f98596dac9640f26c2cee444ffa241b74"`
[INFO] [stderr]    Compiling chip8_vm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         try!(reader.read_to_end(&mut rom));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         try!(ram.write_all(rom.as_ref()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[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 0.52s
[INFO] running `"docker" "inspect" "ced8838202e5ec50670d1b29d850de4f98596dac9640f26c2cee444ffa241b74"`
[INFO] running `"docker" "rm" "-f" "ced8838202e5ec50670d1b29d850de4f98596dac9640f26c2cee444ffa241b74"`
[INFO] [stdout] ced8838202e5ec50670d1b29d850de4f98596dac9640f26c2cee444ffa241b74
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 7f0b1dd042ad52cef629f553b494f3684b0d8c0311fc90ada9218734da9840b8
[INFO] running `"docker" "start" "-a" "7f0b1dd042ad52cef629f553b494f3684b0d8c0311fc90ada9218734da9840b8"`
[INFO] [stderr]    Compiling chip8_vm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 118 |         try!(reader.read_to_end(&mut rom));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         try!(ram.write_all(rom.as_ref()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[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 0.74s
[INFO] running `"docker" "inspect" "7f0b1dd042ad52cef629f553b494f3684b0d8c0311fc90ada9218734da9840b8"`
[INFO] running `"docker" "rm" "-f" "7f0b1dd042ad52cef629f553b494f3684b0d8c0311fc90ada9218734da9840b8"`
[INFO] [stdout] 7f0b1dd042ad52cef629f553b494f3684b0d8c0311fc90ada9218734da9840b8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 4080fe4bc514f30f857cb84ad1f9864c34b1e37922136392e6ba1db83049054a
[INFO] running `"docker" "start" "-a" "4080fe4bc514f30f857cb84ad1f9864c34b1e37922136392e6ba1db83049054a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8_vm-17dd997c6a337f9d
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test instructions::tests::known_register ... ok
[INFO] [stdout] test instructions::tests::unknown_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_overflows ... ok
[INFO] [stdout] test vm::tests::add_vx ... ok
[INFO] [stdout] test vm::tests::oversized_rom ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_vy ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_inplace ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_vy ... ok
[INFO] [stdout] test vm::tests::sub ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::sub_inv ... ok
[INFO] [stdout] test vm::tests::sub_borrow ... ok
[INFO] [stdout] test vm::tests::sub_inv_borrow ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_inplace ... 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" "4080fe4bc514f30f857cb84ad1f9864c34b1e37922136392e6ba1db83049054a"`
[INFO] running `"docker" "rm" "-f" "4080fe4bc514f30f857cb84ad1f9864c34b1e37922136392e6ba1db83049054a"`
[INFO] [stdout] 4080fe4bc514f30f857cb84ad1f9864c34b1e37922136392e6ba1db83049054a