[INFO] fetching crate tinkerforge-async 0.0.6...
[INFO] checking tinkerforge-async-0.0.6 against try#6d565b71a096078f59574161a2a382ec4a1eb751 for pr-132325
[INFO] extracting crate tinkerforge-async 0.0.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tinkerforge-async 0.0.6 on toolchain 6d565b71a096078f59574161a2a382ec4a1eb751
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tinkerforge-async 0.0.6
[INFO] finished tweaking crates.io crate tinkerforge-async 0.0.6
[INFO] tweaked toml for crates.io crate tinkerforge-async 0.0.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate tinkerforge-async 0.0.6 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" "+6d565b71a096078f59574161a2a382ec4a1eb751" "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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1d4d97bbf023cf95950845011df9062cf1462aa24275ee14025eed89ebf0dd6
[INFO] running `Command { std: "docker" "start" "-a" "d1d4d97bbf023cf95950845011df9062cf1462aa24275ee14025eed89ebf0dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1d4d97bbf023cf95950845011df9062cf1462aa24275ee14025eed89ebf0dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d4d97bbf023cf95950845011df9062cf1462aa24275ee14025eed89ebf0dd6", kill_on_drop: false }`
[INFO] [stdout] d1d4d97bbf023cf95950845011df9062cf1462aa24275ee14025eed89ebf0dd6
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f8a800fcf6b80dda63e3fbefe851d0acb4cf97abcf78c1a27dcce54942b759
[INFO] running `Command { std: "docker" "start" "-a" "56f8a800fcf6b80dda63e3fbefe851d0acb4cf97abcf78c1a27dcce54942b759", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking const-str v0.5.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tinkerforge-async v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ip_connection.rs:493:20
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct ServerNonce([u8; 4]);
[INFO] [stdout]     |        ----------- ^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ip_connection.rs:493:20
[INFO] [stdout]     |
[INFO] [stdout] 493 | struct ServerNonce([u8; 4]);
[INFO] [stdout]     |        ----------- ^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tinkerforge-async` (lib); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/bin/rustc --crate-name tinkerforge_async --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("fail-on-warnings", "prometheus", "serde"))' -C metadata=f97459200bc1fd72 -C extra-filename=-f97459200bc1fd72 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f457975fa4e321fd.rmeta --extern const_str=/opt/rustwide/target/debug/deps/libconst_str-b63b6d05098de3d3.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-0304b23c3bb4e21a.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-938bbf5c492cbf18.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-b2a0bfe49e21f933.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a66dd296c6cc8d58.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-9e571dac56e8f912.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-0f7997536682ed92.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-fbf044c4bfc1087f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-445e12ae79e3bdad.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b96565a3f2b82b7f.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-138f75d0a380e483.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tinkerforge-async` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/bin/rustc --crate-name tinkerforge_async --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("fail-on-warnings", "prometheus", "serde"))' -C metadata=eab9595e56e3c4d0 -C extra-filename=-eab9595e56e3c4d0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f457975fa4e321fd.rmeta --extern const_str=/opt/rustwide/target/debug/deps/libconst_str-b63b6d05098de3d3.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-0304b23c3bb4e21a.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-938bbf5c492cbf18.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-b2a0bfe49e21f933.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a66dd296c6cc8d58.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-9e571dac56e8f912.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-0f7997536682ed92.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-fbf044c4bfc1087f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-445e12ae79e3bdad.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b96565a3f2b82b7f.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-138f75d0a380e483.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "56f8a800fcf6b80dda63e3fbefe851d0acb4cf97abcf78c1a27dcce54942b759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f8a800fcf6b80dda63e3fbefe851d0acb4cf97abcf78c1a27dcce54942b759", kill_on_drop: false }`
[INFO] [stdout] 56f8a800fcf6b80dda63e3fbefe851d0acb4cf97abcf78c1a27dcce54942b759