[INFO] updating cached repository nanomad/chip8emu-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nanomad/chip8emu-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nanomad/chip8emu-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/nanomad/chip8emu-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nanomad/chip8emu-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nanomad/chip8emu-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nanomad/chip8emu-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nanomad/chip8emu-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2bc1d3bc3bee48c769950f9229342acc8e1ddbbb [INFO] sha for GitHub repo nanomad/chip8emu-rs: 2bc1d3bc3bee48c769950f9229342acc8e1ddbbb [INFO] validating manifest of nanomad/chip8emu-rs 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 nanomad/chip8emu-rs 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 nanomad/chip8emu-rs [INFO] finished frobbing nanomad/chip8emu-rs [INFO] frobbed toml for nanomad/chip8emu-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/nanomad/chip8emu-rs/Cargo.toml [INFO] started frobbing nanomad/chip8emu-rs [INFO] finished frobbing nanomad/chip8emu-rs [INFO] frobbed toml for nanomad/chip8emu-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nanomad/chip8emu-rs/Cargo.toml [INFO] crate nanomad/chip8emu-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing nanomad/chip8emu-rs 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nanomad/chip8emu-rs:/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] 461c3d3e32f5a8a119faf3cde6dfa807e3671f3627d70a7a31667e5302f7e283 [INFO] running `"docker" "start" "-a" "461c3d3e32f5a8a119faf3cde6dfa807e3671f3627d70a7a31667e5302f7e283"` [INFO] [stderr] Compiling minifb v0.9.0 [INFO] [stderr] Compiling dylib v0.0.1 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling x11-dl v2.2.1 [INFO] [stderr] Compiling chip8emu-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/instruction.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | type Err = String; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/debugger/command.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | type Err = String; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] error[E0437]: type `Err` is not a member of trait `TryFrom` [INFO] [stderr] --> src/peripherals.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | type Err = String; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom` [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/instruction.rs:39:46 [INFO] [stderr] | [INFO] [stderr] 39 | fn try_from(opcode: u16) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/debugger/command.rs:20:47 [INFO] [stderr] | [INFO] [stderr] 20 | fn try_from(text: String) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error[E0220]: associated type `Err` not found for `Self` [INFO] [stderr] --> src/peripherals.rs:27:42 [INFO] [stderr] | [INFO] [stderr] 27 | fn try_from(val: u8) -> Result { [INFO] [stderr] | ^^^^^^^^^ associated type `Err` not found [INFO] [stderr] [INFO] [stderr] error: aborting due to 7 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0220, E0437, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0220`. [INFO] [stderr] error: Could not compile `chip8emu-rs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "461c3d3e32f5a8a119faf3cde6dfa807e3671f3627d70a7a31667e5302f7e283"` [INFO] running `"docker" "rm" "-f" "461c3d3e32f5a8a119faf3cde6dfa807e3671f3627d70a7a31667e5302f7e283"` [INFO] [stdout] 461c3d3e32f5a8a119faf3cde6dfa807e3671f3627d70a7a31667e5302f7e283