[INFO] fetching crate enocean 0.2.58...
[INFO] checking enocean-0.2.58 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate enocean 0.2.58 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate enocean 0.2.58 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enocean 0.2.58
[INFO] finished tweaking crates.io crate enocean 0.2.58
[INFO] tweaked toml for crates.io crate enocean 0.2.58 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate enocean 0.2.58 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b356842ed8593ffa781a78e72b4a7b2d11765983d6bb202c4733a37f31cfdb2
[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" "1b356842ed8593ffa781a78e72b4a7b2d11765983d6bb202c4733a37f31cfdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b356842ed8593ffa781a78e72b4a7b2d11765983d6bb202c4733a37f31cfdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b356842ed8593ffa781a78e72b4a7b2d11765983d6bb202c4733a37f31cfdb2", kill_on_drop: false }`
[INFO] [stdout] 1b356842ed8593ffa781a78e72b4a7b2d11765983d6bb202c4733a37f31cfdb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ebd71c42163f6f5505c373cbed1597cb476caf4d321a6f8e002b46ac6fe892d
[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" "2ebd71c42163f6f5505c373cbed1597cb476caf4d321a6f8e002b46ac6fe892d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking enocean v0.2.58 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `result_payload` is never read
[INFO] [stdout]    --> src/enocean.rs:684:17
[INFO] [stdout]     |
[INFO] [stdout] 684 |         let mut result_payload: Vec<u8> = Vec::new();
[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 does not need to be mutable
[INFO] [stdout]    --> src/enocean.rs:681:13
[INFO] [stdout]     |
[INFO] [stdout] 681 |         let mut result_sender_id: [u8; 4];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/enocean.rs:682:13
[INFO] [stdout]     |
[INFO] [stdout] 682 |         let mut result_rorg: Rorg;
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/enocean.rs:683:13
[INFO] [stdout]     |
[INFO] [stdout] 683 |         let mut result_status: u8;
[INFO] [stdout]     |             ----^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "2ebd71c42163f6f5505c373cbed1597cb476caf4d321a6f8e002b46ac6fe892d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebd71c42163f6f5505c373cbed1597cb476caf4d321a6f8e002b46ac6fe892d", kill_on_drop: false }`
[INFO] [stdout] 2ebd71c42163f6f5505c373cbed1597cb476caf4d321a6f8e002b46ac6fe892d