[INFO] fetching crate ur20-modbus 0.5.0...
[INFO] testing ur20-modbus-0.5.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate ur20-modbus 0.5.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ur20-modbus 0.5.0 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 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 807be61c8570d5c566d61c2849a08b69ec9ba684b0b4fe267d27bdcf3a0dcfe6
[INFO] running `Command { std: "docker" "start" "-a" "807be61c8570d5c566d61c2849a08b69ec9ba684b0b4fe267d27bdcf3a0dcfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "807be61c8570d5c566d61c2849a08b69ec9ba684b0b4fe267d27bdcf3a0dcfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807be61c8570d5c566d61c2849a08b69ec9ba684b0b4fe267d27bdcf3a0dcfe6", kill_on_drop: false }`
[INFO] [stdout] 807be61c8570d5c566d61c2849a08b69ec9ba684b0b4fe267d27bdcf3a0dcfe6
[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] ec605c52e3d2008dcde53c074b2147042febbf240bbf9b7fba772518337228cf
[INFO] running `Command { std: "docker" "start" "-a" "ec605c52e3d2008dcde53c074b2147042febbf240bbf9b7fba772518337228cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling ur20 v0.6.0
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-modbus v0.16.1
[INFO] [stderr]    Compiling ur20-modbus v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "ec605c52e3d2008dcde53c074b2147042febbf240bbf9b7fba772518337228cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec605c52e3d2008dcde53c074b2147042febbf240bbf9b7fba772518337228cf", kill_on_drop: false }`
[INFO] [stdout] ec605c52e3d2008dcde53c074b2147042febbf240bbf9b7fba772518337228cf
[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] eef55f3ef1085a959b83a54feacbf9d1bb472ce192772b8b3c91873bd0405bc2
[INFO] running `Command { std: "docker" "start" "-a" "eef55f3ef1085a959b83a54feacbf9d1bb472ce192772b8b3c91873bd0405bc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-modbus v0.16.1
[INFO] [stderr]    Compiling ur20-modbus v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "eef55f3ef1085a959b83a54feacbf9d1bb472ce192772b8b3c91873bd0405bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef55f3ef1085a959b83a54feacbf9d1bb472ce192772b8b3c91873bd0405bc2", kill_on_drop: false }`
[INFO] [stdout] eef55f3ef1085a959b83a54feacbf9d1bb472ce192772b8b3c91873bd0405bc2
[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] 3928601410ff82b099fd849d7e2aaedd45015eafa009c524932587291ef7e9fd
[INFO] running `Command { std: "docker" "start" "-a" "3928601410ff82b099fd849d7e2aaedd45015eafa009c524932587291ef7e9fd", 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/ur20_modbus-882727de74c01cb9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ur20_modbus
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.93s; merged doctests compilation took 0.91s
[INFO] running `Command { std: "docker" "inspect" "3928601410ff82b099fd849d7e2aaedd45015eafa009c524932587291ef7e9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3928601410ff82b099fd849d7e2aaedd45015eafa009c524932587291ef7e9fd", kill_on_drop: false }`
[INFO] [stdout] 3928601410ff82b099fd849d7e2aaedd45015eafa009c524932587291ef7e9fd