[INFO] fetching crate enocean 0.2.58...
[INFO] building enocean-0.2.58 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate enocean 0.2.58 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate enocean 0.2.58 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce3fa65eae40ba608ef137c43064cb4187f255b9b20ff1e1ce17fefd985b2b68
[INFO] running `Command { std: "docker" "start" "-a" "ce3fa65eae40ba608ef137c43064cb4187f255b9b20ff1e1ce17fefd985b2b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce3fa65eae40ba608ef137c43064cb4187f255b9b20ff1e1ce17fefd985b2b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce3fa65eae40ba608ef137c43064cb4187f255b9b20ff1e1ce17fefd985b2b68", kill_on_drop: false }`
[INFO] [stdout] ce3fa65eae40ba608ef137c43064cb4187f255b9b20ff1e1ce17fefd985b2b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362014ff8deea9de47707699192237c64a7a848fcbd5cc052a5aab5358fd238e
[INFO] running `Command { std: "docker" "start" "-a" "362014ff8deea9de47707699192237c64a7a848fcbd5cc052a5aab5358fd238e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling enocean v0.2.58 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "362014ff8deea9de47707699192237c64a7a848fcbd5cc052a5aab5358fd238e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362014ff8deea9de47707699192237c64a7a848fcbd5cc052a5aab5358fd238e", kill_on_drop: false }`
[INFO] [stdout] 362014ff8deea9de47707699192237c64a7a848fcbd5cc052a5aab5358fd238e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b27f82165cb2aa386b90121b513730a7618dd91068e4d830aa5d9c36903e10
[INFO] running `Command { std: "docker" "start" "-a" "18b27f82165cb2aa386b90121b513730a7618dd91068e4d830aa5d9c36903e10", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "18b27f82165cb2aa386b90121b513730a7618dd91068e4d830aa5d9c36903e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b27f82165cb2aa386b90121b513730a7618dd91068e4d830aa5d9c36903e10", kill_on_drop: false }`
[INFO] [stdout] 18b27f82165cb2aa386b90121b513730a7618dd91068e4d830aa5d9c36903e10