[INFO] fetching crate tinkerforge-async 0.0.6...
[INFO] checking tinkerforge-async-0.0.6 against master#8e37e151835d96d6a7415e93e6876561485a3354 for pr-134218
[INFO] extracting crate tinkerforge-async 0.0.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tinkerforge-async 0.0.6 on toolchain 8e37e151835d96d6a7415e93e6876561485a3354
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "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-3-tc1/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" "+8e37e151835d96d6a7415e93e6876561485a3354" "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 const-str v0.5.6
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d7880333a7c5d57fad9427dd52a03d4ce87350fdb0e1c96024998cf68c21758
[INFO] running `Command { std: "docker" "start" "-a" "4d7880333a7c5d57fad9427dd52a03d4ce87350fdb0e1c96024998cf68c21758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d7880333a7c5d57fad9427dd52a03d4ce87350fdb0e1c96024998cf68c21758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7880333a7c5d57fad9427dd52a03d4ce87350fdb0e1c96024998cf68c21758", kill_on_drop: false }`
[INFO] [stdout] 4d7880333a7c5d57fad9427dd52a03d4ce87350fdb0e1c96024998cf68c21758
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10ecaea91db3585456b7f2e918889e033a35a1f861cea512355a2bb8dd415f39
[INFO] running `Command { std: "docker" "start" "-a" "10ecaea91db3585456b7f2e918889e033a35a1f861cea512355a2bb8dd415f39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking const-str v0.5.6
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.49
[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]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha-1 v0.10.1
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.92s
[INFO] running `Command { std: "docker" "inspect" "10ecaea91db3585456b7f2e918889e033a35a1f861cea512355a2bb8dd415f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10ecaea91db3585456b7f2e918889e033a35a1f861cea512355a2bb8dd415f39", kill_on_drop: false }`
[INFO] [stdout] 10ecaea91db3585456b7f2e918889e033a35a1f861cea512355a2bb8dd415f39