[INFO] fetching crate ur20-modbus 0.5.0...
[INFO] checking ur20-modbus-0.5.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate ur20-modbus 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ur20-modbus 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ur20-modbus 0.5.0
[INFO] tweaked toml for crates.io crate ur20-modbus 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ur20-modbus 0.5.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ur20-modbus 0.5.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded ur20 v0.6.0
[INFO] [stderr]   Downloaded num-derive v0.4.2
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded adler2 v2.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.88
[INFO] [stderr]   Downloaded rustc-demangle v0.1.24
[INFO] [stderr]   Downloaded log v0.4.27
[INFO] [stderr]   Downloaded parking_lot v0.12.3
[INFO] [stderr]   Downloaded miniz_oxide v0.8.8
[INFO] [stderr]   Downloaded memchr v2.7.4
[INFO] [stderr]   Downloaded backtrace v0.3.75
[INFO] [stderr]   Downloaded tokio-util v0.7.15
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded socket2 v0.5.9
[INFO] [stderr]   Downloaded tokio-modbus v0.16.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded thiserror-impl v2.0.12
[INFO] [stderr]   Downloaded syn v2.0.101
[INFO] [stderr]   Downloaded addr2line v0.24.2
[INFO] [stderr]   Downloaded lock_api v0.4.6
[INFO] [stderr]   Downloaded gimli v0.31.1
[INFO] [stderr]   Downloaded bitflags v2.9.1
[INFO] [stderr]   Downloaded object v0.36.7
[INFO] [stderr]   Downloaded smallvec v1.15.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.10
[INFO] [stderr]   Downloaded redox_syscall v0.5.12
[INFO] [stderr]   Downloaded thiserror v2.0.12
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
[INFO] [stderr]   Downloaded libc v0.2.172
[INFO] [stderr]   Downloaded tokio v1.45.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbd50a08a88c8571e68ee7b2ed51a945f6cf6315b12711a955b3225d77cfb83d
[INFO] running `Command { std: "docker" "start" "-a" "fbd50a08a88c8571e68ee7b2ed51a945f6cf6315b12711a955b3225d77cfb83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd50a08a88c8571e68ee7b2ed51a945f6cf6315b12711a955b3225d77cfb83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd50a08a88c8571e68ee7b2ed51a945f6cf6315b12711a955b3225d77cfb83d", kill_on_drop: false }`
[INFO] [stdout] fbd50a08a88c8571e68ee7b2ed51a945f6cf6315b12711a955b3225d77cfb83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d392b0a91b4438e3a1f6ecb5ac5b5649f27e444943564a71df30916c2ca0db
[INFO] running `Command { std: "docker" "start" "-a" "f9d392b0a91b4438e3a1f6ecb5ac5b5649f27e444943564a71df30916c2ca0db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking ur20 v0.6.0
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-modbus v0.16.1
[INFO] [stderr]     Checking ur20-modbus v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "f9d392b0a91b4438e3a1f6ecb5ac5b5649f27e444943564a71df30916c2ca0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d392b0a91b4438e3a1f6ecb5ac5b5649f27e444943564a71df30916c2ca0db", kill_on_drop: false }`
[INFO] [stdout] f9d392b0a91b4438e3a1f6ecb5ac5b5649f27e444943564a71df30916c2ca0db