[INFO] cloning repository https://github.com/dougli1sqrd/embed-serial-protocol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dougli1sqrd/embed-serial-protocol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdougli1sqrd%2Fembed-serial-protocol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdougli1sqrd%2Fembed-serial-protocol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca187c990d732638d25ab553fdb0ad85ebad0e10
[INFO] checking dougli1sqrd/embed-serial-protocol against 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdougli1sqrd%2Fembed-serial-protocol" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dougli1sqrd/embed-serial-protocol
[INFO] finished tweaking git repo https://github.com/dougli1sqrd/embed-serial-protocol
[INFO] tweaked toml for git repo https://github.com/dougli1sqrd/embed-serial-protocol written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dougli1sqrd/embed-serial-protocol on toolchain 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dougli1sqrd/embed-serial-protocol 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" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "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 dougli1sqrd/embed-serial-protocol against 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdougli1sqrd%2Fembed-serial-protocol" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dougli1sqrd/embed-serial-protocol
[INFO] finished tweaking git repo https://github.com/dougli1sqrd/embed-serial-protocol
[INFO] tweaked toml for git repo https://github.com/dougli1sqrd/embed-serial-protocol written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dougli1sqrd/embed-serial-protocol on toolchain 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dougli1sqrd/embed-serial-protocol 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" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "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 bilge v0.2.0
[INFO] [stderr]   Downloaded bilge-impl v0.2.0
[INFO] [stderr]   Downloaded slippers v0.1.4
[INFO] [stderr]   Downloaded heapless v0.9.1
[INFO] [stderr]   Downloaded arbitrary-int v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df
[INFO] running `Command { std: "docker" "start" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]     Checking arbitrary-int v1.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking slippers v0.1.4
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bilge-impl v0.2.0
[INFO] [stderr]     Checking bilge v0.2.0
[INFO] [stderr]     Checking embed-serial-protocol v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufferedRxTx`
[INFO] [stdout]   --> src/packet.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     serial::{BufferedRx, BufferedRxTx, BufferedTx, ErrorShim, ReadAmt},
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufferedRxTx`
[INFO] [stdout]   --> src/packet.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     serial::{BufferedRx, BufferedRxTx, BufferedTx, ErrorShim, ReadAmt},
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decode`, `Encode`, `FrameTxRx`, `Frame`, `MAX_FRAME_SIZE`, and `packet::FrameRx`
[INFO] [stdout]  --> src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embed_serial_protocol::{Decode, Encode, Frame, FrameTxRx, MAX_FRAME_SIZE, packet::FrameRx};
[INFO] [stdout]   |                             ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Decode`, `Encode`, `FrameTxRx`, `Frame`, `MAX_FRAME_SIZE`, and `packet::FrameRx`
[INFO] [stdout]  --> src/main.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embed_serial_protocol::{Decode, Encode, Frame, FrameTxRx, MAX_FRAME_SIZE, packet::FrameRx};
[INFO] [stdout]   |                             ^^^^^^  ^^^^^^  ^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxBuffer` is never constructed
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct TxBuffer(Vec<u8>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TxBuffer {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     fn new() -> TxBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TxBuffer` is never constructed
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct TxBuffer(Vec<u8>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadBuffer` is never constructed
[INFO] [stdout]   --> src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct ReadBuffer(pub VecDeque<u8>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TxBuffer {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |     fn new() -> TxBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_iter` is never used
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl ReadBuffer {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 38 |     fn from_iter(data: impl Iterator<Item = u8>) -> ReadBuffer {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadBuffer` is never constructed
[INFO] [stdout]   --> src/main.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct ReadBuffer(pub VecDeque<u8>);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_iter` is never used
[INFO] [stdout]   --> src/main.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl ReadBuffer {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 38 |     fn from_iter(data: impl Iterator<Item = u8>) -> ReadBuffer {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `bilge`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | bilge = "0.2.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `bilge`
[INFO] [stderr] warning: unused dependency `heapless`
[INFO] [stderr]  --> Cargo.toml:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | heapless = "0.9.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `heapless`
[INFO] [stderr] warning: unused dependency `log`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | log = "0.4.21"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `log`
[INFO] [stderr] warning: unused dependency `slippers`
[INFO] [stderr]  --> Cargo.toml:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | slippers = "0.1.4"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `slippers`
[INFO] [stderr] warning: `embed-serial-protocol` (manifest) generated 4 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df", kill_on_drop: false }`
[INFO] [stdout] 5e275c206c516735d76691131707bba6396db9447d2caa33c93a9368848c04df
