[INFO] fetching crate smoltcp-rmodbus 0.1.0...
[INFO] testing smoltcp-rmodbus-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate smoltcp-rmodbus 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate smoltcp-rmodbus 0.1.0
[INFO] finished tweaking crates.io crate smoltcp-rmodbus 0.1.0
[INFO] tweaked toml for crates.io crate smoltcp-rmodbus 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smoltcp-rmodbus 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] [stderr]       Adding rmodbus v0.9.10 (available: v0.12.2)
[INFO] [stderr]       Adding smoltcp v0.10.0 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v1.2.0
[INFO] [stderr]   Downloaded proc-macro-error2 v2.0.1
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] [stderr]   Downloaded rmodbus v0.9.10
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded smoltcp v0.10.0
[INFO] [stderr]   Downloaded proc-macro-error-attr2 v2.0.0
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded defmt v0.3.100
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c80f2452d5478009f0fc984c52b55723b41522b538ce5ece3c14f258013d3ef
[INFO] running `Command { std: "docker" "start" "-a" "9c80f2452d5478009f0fc984c52b55723b41522b538ce5ece3c14f258013d3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c80f2452d5478009f0fc984c52b55723b41522b538ce5ece3c14f258013d3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c80f2452d5478009f0fc984c52b55723b41522b538ce5ece3c14f258013d3ef", kill_on_drop: false }`
[INFO] [stdout] 9c80f2452d5478009f0fc984c52b55723b41522b538ce5ece3c14f258013d3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4282d3921abbb8294e226c540549809e1c3415bb431602b6be2e7bc0e50cb2eb
[INFO] running `Command { std: "docker" "start" "-a" "4282d3921abbb8294e226c540549809e1c3415bb431602b6be2e7bc0e50cb2eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling smoltcp v0.10.0
[INFO] [stderr]    Compiling managed v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling rmodbus v0.9.10
[INFO] [stderr]    Compiling smoltcp-rmodbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "4282d3921abbb8294e226c540549809e1c3415bb431602b6be2e7bc0e50cb2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4282d3921abbb8294e226c540549809e1c3415bb431602b6be2e7bc0e50cb2eb", kill_on_drop: false }`
[INFO] [stdout] 4282d3921abbb8294e226c540549809e1c3415bb431602b6be2e7bc0e50cb2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58cfe7f577f8bb563557d0508ec3acb8e54c9af77478df11545a9512e4a49ace
[INFO] running `Command { std: "docker" "start" "-a" "58cfe7f577f8bb563557d0508ec3acb8e54c9af77478df11545a9512e4a49ace", kill_on_drop: false }`
[INFO] [stderr]    Compiling smoltcp-rmodbus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "58cfe7f577f8bb563557d0508ec3acb8e54c9af77478df11545a9512e4a49ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cfe7f577f8bb563557d0508ec3acb8e54c9af77478df11545a9512e4a49ace", kill_on_drop: false }`
[INFO] [stdout] 58cfe7f577f8bb563557d0508ec3acb8e54c9af77478df11545a9512e4a49ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0805b83fe8659eb673010a9a35736597ff5cd9d48c9dc9722cb9f5c9d93c3f5
[INFO] running `Command { std: "docker" "start" "-a" "e0805b83fe8659eb673010a9a35736597ff5cd9d48c9dc9722cb9f5c9d93c3f5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smoltcp_rmodbus-4d4f87459dfbfe37)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test server::tests::create_instance ... ok
[INFO] [stdout] test server::tests::buffer_too_small - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smoltcp_rmodbus
[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" "e0805b83fe8659eb673010a9a35736597ff5cd9d48c9dc9722cb9f5c9d93c3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0805b83fe8659eb673010a9a35736597ff5cd9d48c9dc9722cb9f5c9d93c3f5", kill_on_drop: false }`
[INFO] [stdout] e0805b83fe8659eb673010a9a35736597ff5cd9d48c9dc9722cb9f5c9d93c3f5