[INFO] crate knx_rs 0.0.6 is already in cache
[INFO] checking knx_rs-0.0.6 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate knx_rs 0.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate knx_rs 0.0.6 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate knx_rs 0.0.6
[INFO] finished tweaking crates.io crate knx_rs 0.0.6
[INFO] tweaked toml for crates.io crate knx_rs 0.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcecbb23c339b4f66bc9d5849409a748c04be4a53cd61fa7c14a12e80062aaea
[INFO] running `"docker" "start" "-a" "bcecbb23c339b4f66bc9d5849409a748c04be4a53cd61fa7c14a12e80062aaea"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking knx_rs v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `FrameType`
[INFO] [stderr]   --> src/imi.rs:88:6
[INFO] [stderr]    |
[INFO] [stderr] 88 | enum FrameType {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `RepeatFlag`
[INFO] [stderr]   --> src/imi.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 | enum RepeatFlag {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SystemBroadcast`
[INFO] [stderr]   --> src/imi.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | enum SystemBroadcast {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Priority`
[INFO] [stderr]    --> src/imi.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | enum Priority {
[INFO] [stderr]     |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AcknowledgeRequest`
[INFO] [stderr]    --> src/imi.rs:109:6
[INFO] [stderr]     |
[INFO] [stderr] 109 | enum AcknowledgeRequest {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Confirm`
[INFO] [stderr]    --> src/imi.rs:114:6
[INFO] [stderr]     |
[INFO] [stderr] 114 | enum Confirm {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtendedFrameFormat`
[INFO] [stderr]    --> src/imi.rs:119:6
[INFO] [stderr]     |
[INFO] [stderr] 119 | enum ExtendedFrameFormat {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `FrameType`
[INFO] [stderr]   --> src/imi.rs:88:6
[INFO] [stderr]    |
[INFO] [stderr] 88 | enum FrameType {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `RepeatFlag`
[INFO] [stderr]   --> src/imi.rs:92:6
[INFO] [stderr]    |
[INFO] [stderr] 92 | enum RepeatFlag {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SystemBroadcast`
[INFO] [stderr]   --> src/imi.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 | enum SystemBroadcast {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Priority`
[INFO] [stderr]    --> src/imi.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 | enum Priority {
[INFO] [stderr]     |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AcknowledgeRequest`
[INFO] [stderr]    --> src/imi.rs:109:6
[INFO] [stderr]     |
[INFO] [stderr] 109 | enum AcknowledgeRequest {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Confirm`
[INFO] [stderr]    --> src/imi.rs:114:6
[INFO] [stderr]     |
[INFO] [stderr] 114 | enum Confirm {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExtendedFrameFormat`
[INFO] [stderr]    --> src/imi.rs:119:6
[INFO] [stderr]     |
[INFO] [stderr] 119 | enum ExtendedFrameFormat {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.75s
[INFO] running `"docker" "inspect" "bcecbb23c339b4f66bc9d5849409a748c04be4a53cd61fa7c14a12e80062aaea"`
[INFO] running `"docker" "rm" "-f" "bcecbb23c339b4f66bc9d5849409a748c04be4a53cd61fa7c14a12e80062aaea"`
[INFO] [stdout] bcecbb23c339b4f66bc9d5849409a748c04be4a53cd61fa7c14a12e80062aaea