[INFO] fetching crate knx_examples_rs 0.0.6...
[INFO] checking knx_examples_rs-0.0.6 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate knx_examples_rs 0.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate knx_examples_rs 0.0.6 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knx_examples_rs 0.0.6
[INFO] finished tweaking crates.io crate knx_examples_rs 0.0.6
[INFO] tweaked toml for crates.io crate knx_examples_rs 0.0.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate knx_examples_rs 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4afe59bad728cf0f8bca2f9a9c84f416305ec70648291b9eb5c704c6c0d9ae54
[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" "4afe59bad728cf0f8bca2f9a9c84f416305ec70648291b9eb5c704c6c0d9ae54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4afe59bad728cf0f8bca2f9a9c84f416305ec70648291b9eb5c704c6c0d9ae54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afe59bad728cf0f8bca2f9a9c84f416305ec70648291b9eb5c704c6c0d9ae54", kill_on_drop: false }`
[INFO] [stdout] 4afe59bad728cf0f8bca2f9a9c84f416305ec70648291b9eb5c704c6c0d9ae54
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 341df0acd3cc2f018bec66d6126aa3fa4a4c7b99aa170b36bd4eabb0604ef77a
[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" "341df0acd3cc2f018bec66d6126aa3fa4a4c7b99aa170b36bd4eabb0604ef77a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[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
[INFO] [stderr]     Checking knx_ets_rs v0.0.6
[INFO] [stderr]     Checking knx_examples_rs v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `ets` is assigned to, but never used
[INFO] [stdout]   --> src/bin/knx_listen.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut ets: Option<Ets> = None;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_ets` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ets` is never read
[INFO] [stdout]   --> src/bin/knx_listen.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         ets = Some(Ets::new(opc_file));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ets` is assigned to, but never used
[INFO] [stdout]   --> src/bin/knx_listen.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut ets: Option<Ets> = None;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_ets` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ets` is never read
[INFO] [stdout]   --> src/bin/knx_listen.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         ets = Some(Ets::new(opc_file));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.10s
[INFO] running `Command { std: "docker" "inspect" "341df0acd3cc2f018bec66d6126aa3fa4a4c7b99aa170b36bd4eabb0604ef77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341df0acd3cc2f018bec66d6126aa3fa4a4c7b99aa170b36bd4eabb0604ef77a", kill_on_drop: false }`
[INFO] [stdout] 341df0acd3cc2f018bec66d6126aa3fa4a4c7b99aa170b36bd4eabb0604ef77a