[INFO] fetching crate tokio-modbus 0.14.0...
[INFO] checking tokio-modbus-0.14.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tokio-modbus 0.14.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tokio-modbus 0.14.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-modbus 0.14.0
[INFO] removed 11 missing examples
[INFO] finished tweaking crates.io crate tokio-modbus 0.14.0
[INFO] tweaked toml for crates.io crate tokio-modbus 0.14.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-modbus 0.14.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-serial v5.4.4
[INFO] [stderr]   Downloaded mio-serial v5.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe32cb7d581e4d52254739fa3bec0dbe843c97ff2f23e1de4552d044c5118dc
[INFO] running `Command { std: "docker" "start" "-a" "bfe32cb7d581e4d52254739fa3bec0dbe843c97ff2f23e1de4552d044c5118dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe32cb7d581e4d52254739fa3bec0dbe843c97ff2f23e1de4552d044c5118dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe32cb7d581e4d52254739fa3bec0dbe843c97ff2f23e1de4552d044c5118dc", kill_on_drop: false }`
[INFO] [stdout] bfe32cb7d581e4d52254739fa3bec0dbe843c97ff2f23e1de4552d044c5118dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ee252fd91af8b2ce7c28474fb24621cc5e11be73d72c95996fef58a009d5f64
[INFO] running `Command { std: "docker" "start" "-a" "7ee252fd91af8b2ce7c28474fb24621cc5e11be73d72c95996fef58a009d5f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]     Checking scrypt v0.11.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking pkcs5 v0.7.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking serialport v4.4.0
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]     Checking rustls-webpki v0.102.5
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tokio-modbus v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stdout] warning: struct `RequestDecoder` is never constructed
[INFO] [stdout]    --> src/codec/rtu.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub(crate) struct RequestDecoder {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RequestDecoder` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:15:9
[INFO] [stdout]     |
[INFO] [stdout] 15  | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerCodec` is never constructed
[INFO] [stdout]    --> src/codec/rtu.rs:122:19
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub(crate) struct ServerCodec {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ServerCodec` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_request_pdu_len` is never used
[INFO] [stdout]    --> src/codec/rtu.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn get_request_pdu_len(adu_buf: &BytesMut) -> Result<Option<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.28s
[INFO] running `Command { std: "docker" "inspect" "7ee252fd91af8b2ce7c28474fb24621cc5e11be73d72c95996fef58a009d5f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee252fd91af8b2ce7c28474fb24621cc5e11be73d72c95996fef58a009d5f64", kill_on_drop: false }`
[INFO] [stdout] 7ee252fd91af8b2ce7c28474fb24621cc5e11be73d72c95996fef58a009d5f64