[INFO] cloning repository https://github.com/Jacob-JB/nifty-udp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jacob-JB/nifty-udp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacob-JB%2Fnifty-udp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacob-JB%2Fnifty-udp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17c7685c94acd9f06606c7001ed4cd71d9f65315
[INFO] checking Jacob-JB/nifty-udp against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacob-JB%2Fnifty-udp" "/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/Jacob-JB/nifty-udp
[INFO] finished tweaking git repo https://github.com/Jacob-JB/nifty-udp
[INFO] tweaked toml for git repo https://github.com/Jacob-JB/nifty-udp written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jacob-JB/nifty-udp on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jacob-JB/nifty-udp 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" "+1383df06117fd218068d1f39fd5326256dd4a348" "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 Jacob-JB/nifty-udp against try#1383df06117fd218068d1f39fd5326256dd4a348 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacob-JB%2Fnifty-udp" "/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/Jacob-JB/nifty-udp
[INFO] finished tweaking git repo https://github.com/Jacob-JB/nifty-udp
[INFO] tweaked toml for git repo https://github.com/Jacob-JB/nifty-udp written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jacob-JB/nifty-udp on toolchain 1383df06117fd218068d1f39fd5326256dd4a348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jacob-JB/nifty-udp 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" "+1383df06117fd218068d1f39fd5326256dd4a348" "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 primes v0.3.0
[INFO] [stderr]   Downloaded raptor-code v1.0.5
[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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f3f5f74b602630afe0c55336af4b5b978d8b042c8bb1d10140af03f2089020a
[INFO] running `Command { std: "docker" "start" "-a" "5f3f5f74b602630afe0c55336af4b5b978d8b042c8bb1d10140af03f2089020a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f3f5f74b602630afe0c55336af4b5b978d8b042c8bb1d10140af03f2089020a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3f5f74b602630afe0c55336af4b5b978d8b042c8bb1d10140af03f2089020a", kill_on_drop: false }`
[INFO] [stdout] 5f3f5f74b602630afe0c55336af4b5b978d8b042c8bb1d10140af03f2089020a
[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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+1383df06117fd218068d1f39fd5326256dd4a348" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d2abe48b2600a657749f6d525c347239b13b4199e90cd5f1d2016cdd3e2fb4
[INFO] running `Command { std: "docker" "start" "-a" "63d2abe48b2600a657749f6d525c347239b13b4199e90cd5f1d2016cdd3e2fb4", kill_on_drop: false }`
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]     Checking raptor-code v1.0.5
[INFO] [stderr]     Checking nifty_udp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `messages_start_seq`
[INFO] [stdout]    --> src/lib.rs:865:73
[INFO] [stdout]     |
[INFO] [stdout] 865 |             ChannelType::SendFecReliable { messages, resend_threshhold, messages_start_seq, .. } => {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]     |                                                                         |
[INFO] [stdout]     |                                                                         help: try removing the field
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages_start_seq`
[INFO] [stdout]    --> src/lib.rs:865:73
[INFO] [stdout]     |
[INFO] [stdout] 865 |             ChannelType::SendFecReliable { messages, resend_threshhold, messages_start_seq, .. } => {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]     |                                                                         |
[INFO] [stdout]     |                                                                         help: try removing the field
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/client.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     client.disconnect_all();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     let _ = client.disconnect_all();
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "63d2abe48b2600a657749f6d525c347239b13b4199e90cd5f1d2016cdd3e2fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d2abe48b2600a657749f6d525c347239b13b4199e90cd5f1d2016cdd3e2fb4", kill_on_drop: false }`
[INFO] [stdout] 63d2abe48b2600a657749f6d525c347239b13b4199e90cd5f1d2016cdd3e2fb4