[INFO] fetching crate modbus-rs 0.4.0...
[INFO] testing modbus-rs-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate modbus-rs 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate modbus-rs 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate modbus-rs 0.4.0
[INFO] tweaked toml for crates.io crate modbus-rs 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-rs 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modbus-rs 0.4.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47db7211b21a2bd492fd51e3c3333b6e6daeb6504708d250cd377cdd4039c4ef
[INFO] running `Command { std: "docker" "start" "-a" "47db7211b21a2bd492fd51e3c3333b6e6daeb6504708d250cd377cdd4039c4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47db7211b21a2bd492fd51e3c3333b6e6daeb6504708d250cd377cdd4039c4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47db7211b21a2bd492fd51e3c3333b6e6daeb6504708d250cd377cdd4039c4ef", kill_on_drop: false }`
[INFO] [stdout] 47db7211b21a2bd492fd51e3c3333b6e6daeb6504708d250cd377cdd4039c4ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1658f1fcd9eb54207386a32088c257340c790fa0153382056c826ac8bb57393b
[INFO] running `Command { std: "docker" "start" "-a" "1658f1fcd9eb54207386a32088c257340c790fa0153382056c826ac8bb57393b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling bitfields-impl v1.0.2
[INFO] [stderr]    Compiling unescaper v0.1.8
[INFO] [stderr]    Compiling serialport v4.7.3
[INFO] [stderr]    Compiling bitfields v1.0.2
[INFO] [stderr]    Compiling mbus-core v0.4.0
[INFO] [stderr]    Compiling mbus-network v0.4.0
[INFO] [stderr]    Compiling mbus-client v0.4.0
[INFO] [stderr]    Compiling mbus-serial v0.4.0
[INFO] [stderr]    Compiling modbus-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "1658f1fcd9eb54207386a32088c257340c790fa0153382056c826ac8bb57393b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1658f1fcd9eb54207386a32088c257340c790fa0153382056c826ac8bb57393b", kill_on_drop: false }`
[INFO] [stdout] 1658f1fcd9eb54207386a32088c257340c790fa0153382056c826ac8bb57393b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f904999e2749b8d8608ea8e1cde3b9d8203eca8cc119e73430c9a849092785
[INFO] running `Command { std: "docker" "start" "-a" "54f904999e2749b8d8608ea8e1cde3b9d8203eca8cc119e73430c9a849092785", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling env_logger v0.11.10
[INFO] [stderr]    Compiling modbus-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "54f904999e2749b8d8608ea8e1cde3b9d8203eca8cc119e73430c9a849092785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f904999e2749b8d8608ea8e1cde3b9d8203eca8cc119e73430c9a849092785", kill_on_drop: false }`
[INFO] [stdout] 54f904999e2749b8d8608ea8e1cde3b9d8203eca8cc119e73430c9a849092785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f6b422e3f53a0cf44ee3de29a24c29dff6a04cf668bea0a71fdd6546f5ba6ee
[INFO] running `Command { std: "docker" "start" "-a" "7f6b422e3f53a0cf44ee3de29a24c29dff6a04cf668bea0a71fdd6546f5ba6ee", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modbus_rs-a2450aa9c03d4058)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests modbus_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f6b422e3f53a0cf44ee3de29a24c29dff6a04cf668bea0a71fdd6546f5ba6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6b422e3f53a0cf44ee3de29a24c29dff6a04cf668bea0a71fdd6546f5ba6ee", kill_on_drop: false }`
[INFO] [stdout] 7f6b422e3f53a0cf44ee3de29a24c29dff6a04cf668bea0a71fdd6546f5ba6ee