[INFO] fetching crate chip8_vm 0.4.0...
[INFO] extracting crate chip8_vm 0.4.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/chip8_vm/0.4.0
[INFO] extracting crate chip8_vm 0.4.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chip8_vm/0.4.0
[INFO] validating manifest of chip8_vm-0.4.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chip8_vm-0.4.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chip8_vm-0.4.0
[INFO] finished frobbing chip8_vm-0.4.0
[INFO] frobbed toml for chip8_vm-0.4.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/chip8_vm/0.4.0/Cargo.toml
[INFO] started frobbing chip8_vm-0.4.0
[INFO] finished frobbing chip8_vm-0.4.0
[INFO] frobbed toml for chip8_vm-0.4.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chip8_vm/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing chip8_vm-0.4.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chip8_vm/0.4.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] a56d00ff285bd2e4f722c9358265bd344a03ee5b492cc71685bb8c1791e45d12
[INFO] running `"docker" "start" "-a" "a56d00ff285bd2e4f722c9358265bd344a03ee5b492cc71685bb8c1791e45d12"`
[INFO] [stderr]    Compiling chip8_vm v0.4.0 (/opt/crater/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 1.24s
[INFO] running `"docker" "inspect" "a56d00ff285bd2e4f722c9358265bd344a03ee5b492cc71685bb8c1791e45d12"`
[INFO] running `"docker" "rm" "-f" "a56d00ff285bd2e4f722c9358265bd344a03ee5b492cc71685bb8c1791e45d12"`
[INFO] [stdout] a56d00ff285bd2e4f722c9358265bd344a03ee5b492cc71685bb8c1791e45d12
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chip8_vm/0.4.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9edbd21ab5cbbe7638569e7ad7b62660cdd92bf96fe0cc2e911f6849744a385
[INFO] running `"docker" "start" "-a" "b9edbd21ab5cbbe7638569e7ad7b62660cdd92bf96fe0cc2e911f6849744a385"`
[INFO] [stderr]    Compiling chip8_vm v0.4.0 (/opt/crater/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 1.03s
[INFO] running `"docker" "inspect" "b9edbd21ab5cbbe7638569e7ad7b62660cdd92bf96fe0cc2e911f6849744a385"`
[INFO] running `"docker" "rm" "-f" "b9edbd21ab5cbbe7638569e7ad7b62660cdd92bf96fe0cc2e911f6849744a385"`
[INFO] [stdout] b9edbd21ab5cbbe7638569e7ad7b62660cdd92bf96fe0cc2e911f6849744a385
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/chip8_vm/0.4.0:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] d965e07979a05839b2f08c13c8ffd258df1eb7f228b74eced155860f69fada59
[INFO] running `"docker" "start" "-a" "d965e07979a05839b2f08c13c8ffd258df1eb7f228b74eced155860f69fada59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8_vm-c468ad5dd5d31685
[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::oversized_rom ... ok
[INFO] [stdout] test vm::tests::shiftl_vx_inplace ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_inplace_overflow ... ok
[INFO] [stdout] test vm::tests::shiftr_vx_inplace ... 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_overflow ... ok
[INFO] [stdout] test vm::tests::sub_borrow ... ok
[INFO] [stdout] test vm::tests::add_k ... ok
[INFO] [stdout] test vm::tests::sub ... ok
[INFO] [stdout] test vm::tests::add_k_overflows ... ok
[INFO] [stdout] test vm::tests::sub_inv ... ok
[INFO] [stdout] test vm::tests::sub_inv_borrow ... ok
[INFO] [stdout] test vm::tests::add_vx ... ok
[INFO] [stdout] test vm::tests::add_vx_overflows ... 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" "d965e07979a05839b2f08c13c8ffd258df1eb7f228b74eced155860f69fada59"`
[INFO] running `"docker" "rm" "-f" "d965e07979a05839b2f08c13c8ffd258df1eb7f228b74eced155860f69fada59"`
[INFO] [stdout] d965e07979a05839b2f08c13c8ffd258df1eb7f228b74eced155860f69fada59