[INFO] cloning repository https://github.com/LevitatingBusinessMan/yeelight-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LevitatingBusinessMan/yeelight-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fyeelight-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fyeelight-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e0643327be7940af7a6ae7086447392db4dc76d
[INFO] checking LevitatingBusinessMan/yeelight-rs against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fyeelight-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LevitatingBusinessMan/yeelight-rs on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LevitatingBusinessMan/yeelight-rs
[INFO] finished tweaking git repo https://github.com/LevitatingBusinessMan/yeelight-rs
[INFO] tweaked toml for git repo https://github.com/LevitatingBusinessMan/yeelight-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LevitatingBusinessMan/yeelight-rs 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" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking LevitatingBusinessMan/yeelight-rs against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fyeelight-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LevitatingBusinessMan/yeelight-rs on toolchain 047472f299946caf090d1b5608ae4bd9f0416256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LevitatingBusinessMan/yeelight-rs
[INFO] finished tweaking git repo https://github.com/LevitatingBusinessMan/yeelight-rs
[INFO] tweaked toml for git repo https://github.com/LevitatingBusinessMan/yeelight-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LevitatingBusinessMan/yeelight-rs 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" "+047472f299946caf090d1b5608ae4bd9f0416256" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d677afd0de5b1744ab91b6faa8ec6549b0fa22f1d327ed95cce1ff06579c6bd2
[INFO] running `Command { std: "docker" "start" "-a" "d677afd0de5b1744ab91b6faa8ec6549b0fa22f1d327ed95cce1ff06579c6bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d677afd0de5b1744ab91b6faa8ec6549b0fa22f1d327ed95cce1ff06579c6bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d677afd0de5b1744ab91b6faa8ec6549b0fa22f1d327ed95cce1ff06579c6bd2", kill_on_drop: false }`
[INFO] [stdout] d677afd0de5b1744ab91b6faa8ec6549b0fa22f1d327ed95cce1ff06579c6bd2
[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 -Ddereferencing_mut_binding" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446f692c06f52b8a90e2d4cd94d61f34e67d91595efbb0e94ae36f2d85c56127
[INFO] running `Command { std: "docker" "start" "-a" "446f692c06f52b8a90e2d4cd94d61f34e67d91595efbb0e94ae36f2d85c56127", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking yeelight-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any`
[INFO] [stdout]  --> src/cli.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any`
[INFO] [stdout]  --> src/cli.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "446f692c06f52b8a90e2d4cd94d61f34e67d91595efbb0e94ae36f2d85c56127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446f692c06f52b8a90e2d4cd94d61f34e67d91595efbb0e94ae36f2d85c56127", kill_on_drop: false }`
[INFO] [stdout] 446f692c06f52b8a90e2d4cd94d61f34e67d91595efbb0e94ae36f2d85c56127