[INFO] fetching crate ferroamp 0.1.0...
[INFO] testing ferroamp-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ferroamp 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ferroamp 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ferroamp 0.1.0
[INFO] tweaked toml for crates.io crate ferroamp 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferroamp 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferroamp 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f61ed629cfa47cfcdd910f925fa755264511a67ec568b3b6ed5b405130b6588e
[INFO] running `Command { std: "docker" "start" "-a" "f61ed629cfa47cfcdd910f925fa755264511a67ec568b3b6ed5b405130b6588e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f61ed629cfa47cfcdd910f925fa755264511a67ec568b3b6ed5b405130b6588e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61ed629cfa47cfcdd910f925fa755264511a67ec568b3b6ed5b405130b6588e", kill_on_drop: false }`
[INFO] [stdout] f61ed629cfa47cfcdd910f925fa755264511a67ec568b3b6ed5b405130b6588e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54cca3512a4cd34d87f4950f8e7b989e219693a15b7cf1301d89f6571baaa19
[INFO] running `Command { std: "docker" "start" "-a" "a54cca3512a4cd34d87f4950f8e7b989e219693a15b7cf1301d89f6571baaa19", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-modbus v0.16.1
[INFO] [stderr]    Compiling ferroamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.81s
[INFO] running `Command { std: "docker" "inspect" "a54cca3512a4cd34d87f4950f8e7b989e219693a15b7cf1301d89f6571baaa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54cca3512a4cd34d87f4950f8e7b989e219693a15b7cf1301d89f6571baaa19", kill_on_drop: false }`
[INFO] [stdout] a54cca3512a4cd34d87f4950f8e7b989e219693a15b7cf1301d89f6571baaa19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db30131ebc439a1e274af06976fe20ffec6aa73920f7a9ca33936aedcce6b254
[INFO] running `Command { std: "docker" "start" "-a" "db30131ebc439a1e274af06976fe20ffec6aa73920f7a9ca33936aedcce6b254", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferroamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "db30131ebc439a1e274af06976fe20ffec6aa73920f7a9ca33936aedcce6b254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db30131ebc439a1e274af06976fe20ffec6aa73920f7a9ca33936aedcce6b254", kill_on_drop: false }`
[INFO] [stdout] db30131ebc439a1e274af06976fe20ffec6aa73920f7a9ca33936aedcce6b254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9d4bd2bc159ee1054898381bef22dbb6f86a5c638b0136b99a0d4df9f0df707
[INFO] running `Command { std: "docker" "start" "-a" "c9d4bd2bc159ee1054898381bef22dbb6f86a5c638b0136b99a0d4df9f0df707", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ferroamp-e3f1c1fd12a3a844)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test modbus::tests::test_read_floats ... ok
[INFO] [stdout] test modbus::tests::test_write_floats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ferroamp
[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" "c9d4bd2bc159ee1054898381bef22dbb6f86a5c638b0136b99a0d4df9f0df707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d4bd2bc159ee1054898381bef22dbb6f86a5c638b0136b99a0d4df9f0df707", kill_on_drop: false }`
[INFO] [stdout] c9d4bd2bc159ee1054898381bef22dbb6f86a5c638b0136b99a0d4df9f0df707