[INFO] cloning repository https://github.com/emanuele-em/chip-8-simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emanuele-em/chip-8-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuele-em%2Fchip-8-simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuele-em%2Fchip-8-simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0724b47d250c53c727107121ebc73c1f3ef6b2f
[INFO] checking emanuele-em/chip-8-simulator against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuele-em%2Fchip-8-simulator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emanuele-em/chip-8-simulator
[INFO] finished tweaking git repo https://github.com/emanuele-em/chip-8-simulator
[INFO] tweaked toml for git repo https://github.com/emanuele-em/chip-8-simulator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emanuele-em/chip-8-simulator on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emanuele-em/chip-8-simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking emanuele-em/chip-8-simulator against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femanuele-em%2Fchip-8-simulator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emanuele-em/chip-8-simulator
[INFO] finished tweaking git repo https://github.com/emanuele-em/chip-8-simulator
[INFO] tweaked toml for git repo https://github.com/emanuele-em/chip-8-simulator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emanuele-em/chip-8-simulator on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emanuele-em/chip-8-simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e20de97981a0e735f60f94e57661a887dc14ef854a7d2a2d9dc5c2bfbb82eb9
[INFO] running `Command { std: "docker" "start" "-a" "7e20de97981a0e735f60f94e57661a887dc14ef854a7d2a2d9dc5c2bfbb82eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e20de97981a0e735f60f94e57661a887dc14ef854a7d2a2d9dc5c2bfbb82eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e20de97981a0e735f60f94e57661a887dc14ef854a7d2a2d9dc5c2bfbb82eb9", kill_on_drop: false }`
[INFO] [stdout] 7e20de97981a0e735f60f94e57661a887dc14ef854a7d2a2d9dc5c2bfbb82eb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 841824c63f028f1887839a5c1eaba3b53c3d441f706fc83540ff9a8e07088a7b
[INFO] running `Command { std: "docker" "start" "-a" "841824c63f028f1887839a5c1eaba3b53c3d441f706fc83540ff9a8e07088a7b", kill_on_drop: false }`
[INFO] [stderr]     Checking chip-8-simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:144:46
[INFO] [stdout]     |
[INFO] [stdout] 144 |         self.registers[0xF] = self.registers[x] & 1;
[INFO] [stdout]     |                                              ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:144:46
[INFO] [stdout]     |
[INFO] [stdout] 144 |         self.registers[0xF] = self.registers[x] & 1;
[INFO] [stdout]     |                                              ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:145:24
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.registers[x] >>= 1;
[INFO] [stdout]     |                        ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:145:24
[INFO] [stdout]     |
[INFO] [stdout] 145 |         self.registers[x] >>= 1;
[INFO] [stdout]     |                        ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:149:48
[INFO] [stdout]     |
[INFO] [stdout] 149 |         self.registers[0x0f] = (self.registers[x] & 0b10000000) >> 7;
[INFO] [stdout]     |                                                ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:149:48
[INFO] [stdout]     |
[INFO] [stdout] 149 |         self.registers[0x0f] = (self.registers[x] & 0b10000000) >> 7;
[INFO] [stdout]     |                                                ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:150:24
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.registers[x] <<= 1;
[INFO] [stdout]     |                        ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the type `[u8]` cannot be indexed by `u8`
[INFO] [stdout]    --> src/main.rs:150:24
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.registers[x] <<= 1;
[INFO] [stdout]     |                        ^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `SliceIndex<[u8]>` is not implemented for `u8`
[INFO] [stdout] help: the following other types implement trait `SliceIndex<T>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/bstr/traits.rs:203:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<ByteStr>`
[INFO] [stdout]    --> /rustc/95813608313bff49cfc1afc393a946a3c085b772/library/core/src/slice/index.rs:214:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `usize` implements `SliceIndex<[T]>`
[INFO] [stdout]     = note: required for `[u8]` to implement `Index<u8>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `[u8; 16]` to implement `Index<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip-8-simulator` (bin "chip-8-simulator") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chip-8-simulator` (bin "chip-8-simulator" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "841824c63f028f1887839a5c1eaba3b53c3d441f706fc83540ff9a8e07088a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841824c63f028f1887839a5c1eaba3b53c3d441f706fc83540ff9a8e07088a7b", kill_on_drop: false }`
[INFO] [stdout] 841824c63f028f1887839a5c1eaba3b53c3d441f706fc83540ff9a8e07088a7b