[INFO] fetching crate resol-vbus 0.2.1...
[INFO] testing resol-vbus-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate resol-vbus 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate resol-vbus 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate resol-vbus 0.2.1
[INFO] finished tweaking crates.io crate resol-vbus 0.2.1
[INFO] tweaked toml for crates.io crate resol-vbus 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95d744f4b7b067c5e943483a5efee2044f99b9dc3f543e1f1e743f8c7724ff1c
[INFO] running `Command { std: "docker" "start" "-a" "95d744f4b7b067c5e943483a5efee2044f99b9dc3f543e1f1e743f8c7724ff1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95d744f4b7b067c5e943483a5efee2044f99b9dc3f543e1f1e743f8c7724ff1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95d744f4b7b067c5e943483a5efee2044f99b9dc3f543e1f1e743f8c7724ff1c", kill_on_drop: false }`
[INFO] [stdout] 95d744f4b7b067c5e943483a5efee2044f99b9dc3f543e1f1e743f8c7724ff1c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b382088365e7b5d10fca85ce67ff76932679ecce369b0cad246d1daa65e59912
[INFO] running `Command { std: "docker" "start" "-a" "b382088365e7b5d10fca85ce67ff76932679ecce369b0cad246d1daa65e59912", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling resol-vbus v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `current_channel`
[INFO] [stdout]    --> src/recording_reader.rs:37:5
[INFO] [stdout]     |
[INFO] [stdout] 37  |     current_channel: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `resol-vbus` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b382088365e7b5d10fca85ce67ff76932679ecce369b0cad246d1daa65e59912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b382088365e7b5d10fca85ce67ff76932679ecce369b0cad246d1daa65e59912", kill_on_drop: false }`
[INFO] [stdout] b382088365e7b5d10fca85ce67ff76932679ecce369b0cad246d1daa65e59912