[INFO] fetching crate orouter-serial 0.1.1...
[INFO] checking orouter-serial-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate orouter-serial 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate orouter-serial 0.1.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate orouter-serial 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate orouter-serial 0.1.1
[INFO] tweaked toml for crates.io crate orouter-serial 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate orouter-serial 0.1.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 867b3f4df84e5b9b29c4d2f8b4dd2310fd26229830eda25a1a04012d7942dc43
[INFO] running `Command { std: "docker" "start" "-a" "867b3f4df84e5b9b29c4d2f8b4dd2310fd26229830eda25a1a04012d7942dc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867b3f4df84e5b9b29c4d2f8b4dd2310fd26229830eda25a1a04012d7942dc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867b3f4df84e5b9b29c4d2f8b4dd2310fd26229830eda25a1a04012d7942dc43", kill_on_drop: false }`
[INFO] [stdout] 867b3f4df84e5b9b29c4d2f8b4dd2310fd26229830eda25a1a04012d7942dc43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4cb3f150f0e937d20c6e93df3a2fb635e4785bd804ddb7755c17cab2fee1a86
[INFO] running `Command { std: "docker" "start" "-a" "e4cb3f150f0e937d20c6e93df3a2fb635e4785bd804ddb7755c17cab2fee1a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking cobs v0.1.4
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking orouter-serial v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stdout] warning: unused imports: `Message` and `StatusCode`
[INFO] [stdout]  --> examples/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Message, MessageReader, StatusCode, RAWIQ_DATA_LENGTH,
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "e4cb3f150f0e937d20c6e93df3a2fb635e4785bd804ddb7755c17cab2fee1a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cb3f150f0e937d20c6e93df3a2fb635e4785bd804ddb7755c17cab2fee1a86", kill_on_drop: false }`
[INFO] [stdout] e4cb3f150f0e937d20c6e93df3a2fb635e4785bd804ddb7755c17cab2fee1a86