[INFO] fetching crate modbus_buffer 0.0.2...
[INFO] building modbus_buffer-0.0.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate modbus_buffer 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate modbus_buffer 0.0.2
[INFO] finished tweaking crates.io crate modbus_buffer 0.0.2
[INFO] tweaked toml for crates.io crate modbus_buffer 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus_buffer 0.0.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 850e2256bbd1aa8309fbd5e6f7b446c7c77716dd36097abedc842dd6bdaa9f07
[INFO] running `Command { std: "docker" "start" "-a" "850e2256bbd1aa8309fbd5e6f7b446c7c77716dd36097abedc842dd6bdaa9f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850e2256bbd1aa8309fbd5e6f7b446c7c77716dd36097abedc842dd6bdaa9f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850e2256bbd1aa8309fbd5e6f7b446c7c77716dd36097abedc842dd6bdaa9f07", kill_on_drop: false }`
[INFO] [stdout] 850e2256bbd1aa8309fbd5e6f7b446c7c77716dd36097abedc842dd6bdaa9f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1dc63b52031ea4e12d4aaaff80084bafdc5e3cd00936317e8253b6b562361a8
[INFO] running `Command { std: "docker" "start" "-a" "e1dc63b52031ea4e12d4aaaff80084bafdc5e3cd00936317e8253b6b562361a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling modbus_buffer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             ///  println! is std, not available w/ `#![no_std]` flag
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |             let len_to_remove = tail + 2 ;
[INFO] [stdout]     |             ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "e1dc63b52031ea4e12d4aaaff80084bafdc5e3cd00936317e8253b6b562361a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dc63b52031ea4e12d4aaaff80084bafdc5e3cd00936317e8253b6b562361a8", kill_on_drop: false }`
[INFO] [stdout] e1dc63b52031ea4e12d4aaaff80084bafdc5e3cd00936317e8253b6b562361a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7881a0c02ca74256d80e29019b86a55b1538cdb755df950a1e238d6c7022b66c
[INFO] running `Command { std: "docker" "start" "-a" "7881a0c02ca74256d80e29019b86a55b1538cdb755df950a1e238d6c7022b66c", kill_on_drop: false }`
[INFO] [stderr]    Compiling modbus_buffer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             ///  println! is std, not available w/ `#![no_std]` flag
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |             let len_to_remove = tail + 2 ;
[INFO] [stdout]     |             ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             ///  println! is std, not available w/ `#![no_std]` flag
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |             let len_to_remove = tail + 2 ;
[INFO] [stdout]     |             ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "7881a0c02ca74256d80e29019b86a55b1538cdb755df950a1e238d6c7022b66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7881a0c02ca74256d80e29019b86a55b1538cdb755df950a1e238d6c7022b66c", kill_on_drop: false }`
[INFO] [stdout] 7881a0c02ca74256d80e29019b86a55b1538cdb755df950a1e238d6c7022b66c
