[INFO] fetching crate modbus-robust 0.2.0...
[INFO] building modbus-robust-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate modbus-robust 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate modbus-robust 0.2.0
[INFO] finished tweaking crates.io crate modbus-robust 0.2.0
[INFO] tweaked toml for crates.io crate modbus-robust 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-robust 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 664fcf1b313fdbd76c169a1f0883d22bd54120d1b7709182ceb5d46d7d894ea0
[INFO] running `Command { std: "docker" "start" "-a" "664fcf1b313fdbd76c169a1f0883d22bd54120d1b7709182ceb5d46d7d894ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664fcf1b313fdbd76c169a1f0883d22bd54120d1b7709182ceb5d46d7d894ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664fcf1b313fdbd76c169a1f0883d22bd54120d1b7709182ceb5d46d7d894ea0", kill_on_drop: false }`
[INFO] [stdout] 664fcf1b313fdbd76c169a1f0883d22bd54120d1b7709182ceb5d46d7d894ea0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 225c1d4f5d5a1f17948559813071a6b6f4582a78a3d79eb5825ce8231f6fdff6
[INFO] running `Command { std: "docker" "start" "-a" "225c1d4f5d5a1f17948559813071a6b6f4582a78a3d79eb5825ce8231f6fdff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling unescaper v0.1.6
[INFO] [stderr]    Compiling serialport v4.7.3
[INFO] [stderr]    Compiling mio-serial v5.0.6
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tokio-modbus v0.16.4
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-serial v5.4.5
[INFO] [stderr]    Compiling modbus-robust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.24s
[INFO] running `Command { std: "docker" "inspect" "225c1d4f5d5a1f17948559813071a6b6f4582a78a3d79eb5825ce8231f6fdff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225c1d4f5d5a1f17948559813071a6b6f4582a78a3d79eb5825ce8231f6fdff6", kill_on_drop: false }`
[INFO] [stdout] 225c1d4f5d5a1f17948559813071a6b6f4582a78a3d79eb5825ce8231f6fdff6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b1058b3b2a84092c6440736afc5ca8824d97fc5b0bdae257d8799346248749
[INFO] running `Command { std: "docker" "start" "-a" "39b1058b3b2a84092c6440736afc5ca8824d97fc5b0bdae257d8799346248749", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-serial v5.4.5
[INFO] [stderr]    Compiling tokio-modbus v0.16.4
[INFO] [stderr]    Compiling modbus-robust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "39b1058b3b2a84092c6440736afc5ca8824d97fc5b0bdae257d8799346248749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b1058b3b2a84092c6440736afc5ca8824d97fc5b0bdae257d8799346248749", kill_on_drop: false }`
[INFO] [stdout] 39b1058b3b2a84092c6440736afc5ca8824d97fc5b0bdae257d8799346248749