[INFO] cloning repository https://github.com/splodster/chip-8-Remu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/splodster/chip-8-Remu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplodster%2Fchip-8-Remu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplodster%2Fchip-8-Remu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9d8131d872a9d66ae7d709ae02eb2b26aff0ecd
[INFO] building splodster/chip-8-Remu against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplodster%2Fchip-8-Remu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/splodster/chip-8-Remu on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/splodster/chip-8-Remu
[INFO] finished tweaking git repo https://github.com/splodster/chip-8-Remu
[INFO] tweaked toml for git repo https://github.com/splodster/chip-8-Remu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/splodster/chip-8-Remu 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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] building splodster/chip-8-Remu against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsplodster%2Fchip-8-Remu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/splodster/chip-8-Remu on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/splodster/chip-8-Remu
[INFO] finished tweaking git repo https://github.com/splodster/chip-8-Remu
[INFO] tweaked toml for git repo https://github.com/splodster/chip-8-Remu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/splodster/chip-8-Remu 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0932544d31b3b7cdc839272ea6e9333529f2d11aa492b921bc893fa2e5a5032e
[INFO] running `Command { std: "docker" "start" "-a" "0932544d31b3b7cdc839272ea6e9333529f2d11aa492b921bc893fa2e5a5032e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0932544d31b3b7cdc839272ea6e9333529f2d11aa492b921bc893fa2e5a5032e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0932544d31b3b7cdc839272ea6e9333529f2d11aa492b921bc893fa2e5a5032e", kill_on_drop: false }`
[INFO] [stdout] 0932544d31b3b7cdc839272ea6e9333529f2d11aa492b921bc893fa2e5a5032e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29da001743d2cc09cc4b46029dd757d804c751de5876a9a16526174ad8803b9d
[INFO] running `Command { std: "docker" "start" "-a" "29da001743d2cc09cc4b46029dd757d804c751de5876a9a16526174ad8803b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `i`, `pc`, `sp`, `stack`, and `memory` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Cpu {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 2 |     v: [u8; 16],        // 8 bit general purpose register array
[INFO] [stdout] 3 |     i: u16,             // 16 bit index register
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     pc: u16,            // Program counter
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     sp: u16,            // stack pointer
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     stack: [u16; 16],   // stack
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     memory: [u8; 4096], // 4kb memory
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "29da001743d2cc09cc4b46029dd757d804c751de5876a9a16526174ad8803b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29da001743d2cc09cc4b46029dd757d804c751de5876a9a16526174ad8803b9d", kill_on_drop: false }`
[INFO] [stdout] 29da001743d2cc09cc4b46029dd757d804c751de5876a9a16526174ad8803b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d173420e0d1dc65162a5a1508db030fcb66d2dae2c9d316f53b5cd9736bc01b
[INFO] running `Command { std: "docker" "start" "-a" "5d173420e0d1dc65162a5a1508db030fcb66d2dae2c9d316f53b5cd9736bc01b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `i`, `pc`, `sp`, `stack`, and `memory` are never read
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Cpu {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 2 |     v: [u8; 16],        // 8 bit general purpose register array
[INFO] [stdout] 3 |     i: u16,             // 16 bit index register
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     pc: u16,            // Program counter
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     sp: u16,            // stack pointer
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     stack: [u16; 16],   // stack
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     memory: [u8; 4096], // 4kb memory
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "5d173420e0d1dc65162a5a1508db030fcb66d2dae2c9d316f53b5cd9736bc01b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d173420e0d1dc65162a5a1508db030fcb66d2dae2c9d316f53b5cd9736bc01b", kill_on_drop: false }`
[INFO] [stdout] 5d173420e0d1dc65162a5a1508db030fcb66d2dae2c9d316f53b5cd9736bc01b