[INFO] cloning repository https://github.com/mbpf1090/chip8-disAssembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbpf1090/chip8-disAssembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbpf1090%2Fchip8-disAssembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbpf1090%2Fchip8-disAssembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8626dab8a2a2e621c51b28819d47289c51733da8
[INFO] checking mbpf1090/chip8-disAssembler against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbpf1090%2Fchip8-disAssembler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mbpf1090/chip8-disAssembler
[INFO] finished tweaking git repo https://github.com/mbpf1090/chip8-disAssembler
[INFO] tweaked toml for git repo https://github.com/mbpf1090/chip8-disAssembler written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mbpf1090/chip8-disAssembler on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mbpf1090/chip8-disAssembler 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking mbpf1090/chip8-disAssembler against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbpf1090%2Fchip8-disAssembler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mbpf1090/chip8-disAssembler
[INFO] finished tweaking git repo https://github.com/mbpf1090/chip8-disAssembler
[INFO] tweaked toml for git repo https://github.com/mbpf1090/chip8-disAssembler written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mbpf1090/chip8-disAssembler on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mbpf1090/chip8-disAssembler 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xi-unicode v0.1.0
[INFO] [stderr]   Downloaded signal-hook v0.1.9
[INFO] [stderr]   Downloaded signal-hook-registry v1.0.1
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded enum-map v0.5.0
[INFO] [stderr]   Downloaded enumset_derive v0.3.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded enum-map-derive v0.4.1
[INFO] [stderr]   Downloaded array-macro v1.0.3
[INFO] [stderr]   Downloaded enumset v0.3.18
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded enum-map-internals v0.1.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded hashbrown v0.2.2
[INFO] [stderr]   Downloaded ncurses v5.99.0
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded cursive v0.11.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded libc v0.2.53
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb99dad36de3a53782da7eb5921c1f9f75ae91459db1e94ec504af2f05c646bc
[INFO] running `Command { std: "docker" "start" "-a" "eb99dad36de3a53782da7eb5921c1f9f75ae91459db1e94ec504af2f05c646bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb99dad36de3a53782da7eb5921c1f9f75ae91459db1e94ec504af2f05c646bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb99dad36de3a53782da7eb5921c1f9f75ae91459db1e94ec504af2f05c646bc", kill_on_drop: false }`
[INFO] [stdout] eb99dad36de3a53782da7eb5921c1f9f75ae91459db1e94ec504af2f05c646bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3fd204b00ed97781f72e60d5850fc296ca5859abe1298dc022fbebdcb4c3177
[INFO] running `Command { std: "docker" "start" "-a" "d3fd204b00ed97781f72e60d5850fc296ca5859abe1298dc022fbebdcb4c3177", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking enum-map-internals v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enumset_derive v0.3.1
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking enumset v0.3.18
[INFO] [stderr]     Checking cursive v0.11.2
[INFO] [stderr]     Checking c8-disassembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let result = f.read_to_end(&mut buff)?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let result = f.read_to_end(&mut buff)?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "d3fd204b00ed97781f72e60d5850fc296ca5859abe1298dc022fbebdcb4c3177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3fd204b00ed97781f72e60d5850fc296ca5859abe1298dc022fbebdcb4c3177", kill_on_drop: false }`
[INFO] [stdout] d3fd204b00ed97781f72e60d5850fc296ca5859abe1298dc022fbebdcb4c3177
