[INFO] fetching crate knx_rs 0.0.6...
[INFO] checking knx_rs-0.0.6 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate knx_rs 0.0.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate knx_rs 0.0.6 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 065810f5ff09211b62f5b41b0b471ed0e97c7f3e0e8ca2022d5a2b18f7652c67
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "065810f5ff09211b62f5b41b0b471ed0e97c7f3e0e8ca2022d5a2b18f7652c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065810f5ff09211b62f5b41b0b471ed0e97c7f3e0e8ca2022d5a2b18f7652c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065810f5ff09211b62f5b41b0b471ed0e97c7f3e0e8ca2022d5a2b18f7652c67", kill_on_drop: false }`
[INFO] [stdout] 065810f5ff09211b62f5b41b0b471ed0e97c7f3e0e8ca2022d5a2b18f7652c67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0454f872f2237ae9a672b966208c79db1bf3d46436f3e41f9edc52ad3a1aa16a
[INFO] running `Command { std: "docker" "start" "-a" "0454f872f2237ae9a672b966208c79db1bf3d46436f3e41f9edc52ad3a1aa16a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[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] [stdout] warning: enum is never used: `FrameType`
[INFO] [stdout]   --> src/imi.rs:88:6
[INFO] [stdout]    |
[INFO] [stdout] 88 | enum FrameType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `RepeatFlag`
[INFO] [stdout]   --> src/imi.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 92 | enum RepeatFlag {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SystemBroadcast`
[INFO] [stdout]   --> src/imi.rs:97:6
[INFO] [stdout]    |
[INFO] [stdout] 97 | enum SystemBroadcast {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Priority`
[INFO] [stdout]    --> src/imi.rs:102:6
[INFO] [stdout]     |
[INFO] [stdout] 102 | enum Priority {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `AcknowledgeRequest`
[INFO] [stdout]    --> src/imi.rs:109:6
[INFO] [stdout]     |
[INFO] [stdout] 109 | enum AcknowledgeRequest {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Confirm`
[INFO] [stdout]    --> src/imi.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum Confirm {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ExtendedFrameFormat`
[INFO] [stdout]    --> src/imi.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | enum ExtendedFrameFormat {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `FrameType`
[INFO] [stdout]   --> src/imi.rs:88:6
[INFO] [stdout]    |
[INFO] [stdout] 88 | enum FrameType {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `RepeatFlag`
[INFO] [stdout]   --> src/imi.rs:92:6
[INFO] [stdout]    |
[INFO] [stdout] 92 | enum RepeatFlag {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SystemBroadcast`
[INFO] [stdout]   --> src/imi.rs:97:6
[INFO] [stdout]    |
[INFO] [stdout] 97 | enum SystemBroadcast {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Priority`
[INFO] [stdout]    --> src/imi.rs:102:6
[INFO] [stdout]     |
[INFO] [stdout] 102 | enum Priority {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `AcknowledgeRequest`
[INFO] [stdout]    --> src/imi.rs:109:6
[INFO] [stdout]     |
[INFO] [stdout] 109 | enum AcknowledgeRequest {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Confirm`
[INFO] [stdout]    --> src/imi.rs:114:6
[INFO] [stdout]     |
[INFO] [stdout] 114 | enum Confirm {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ExtendedFrameFormat`
[INFO] [stdout]    --> src/imi.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | enum ExtendedFrameFormat {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "0454f872f2237ae9a672b966208c79db1bf3d46436f3e41f9edc52ad3a1aa16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0454f872f2237ae9a672b966208c79db1bf3d46436f3e41f9edc52ad3a1aa16a", kill_on_drop: false }`
[INFO] [stdout] 0454f872f2237ae9a672b966208c79db1bf3d46436f3e41f9edc52ad3a1aa16a