[INFO] fetching crate ruverta 0.1.0...
[INFO] building ruverta-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ruverta 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ruverta 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ruverta 0.1.0
[INFO] tweaked toml for crates.io crate ruverta 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruverta 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3700501c3b76b7204f459ec1749bdd53d0ea061857d895e81e0755216611b77
[INFO] running `Command { std: "docker" "start" "-a" "e3700501c3b76b7204f459ec1749bdd53d0ea061857d895e81e0755216611b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3700501c3b76b7204f459ec1749bdd53d0ea061857d895e81e0755216611b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3700501c3b76b7204f459ec1749bdd53d0ea061857d895e81e0755216611b77", kill_on_drop: false }`
[INFO] [stdout] e3700501c3b76b7204f459ec1749bdd53d0ea061857d895e81e0755216611b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b82a8dc170d250d23c3d7e3b491311b843698711155ec075fe85d52d022679d
[INFO] running `Command { std: "docker" "start" "-a" "0b82a8dc170d250d23c3d7e3b491311b843698711155ec075fe85d52d022679d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruverta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `WriteOnly` is never constructed
[INFO] [stdout]   --> src/bus/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Reg {
[INFO] [stdout]    |      --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     WriteOnly {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Reg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "0b82a8dc170d250d23c3d7e3b491311b843698711155ec075fe85d52d022679d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b82a8dc170d250d23c3d7e3b491311b843698711155ec075fe85d52d022679d", kill_on_drop: false }`
[INFO] [stdout] 0b82a8dc170d250d23c3d7e3b491311b843698711155ec075fe85d52d022679d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f053e88fff962e85a481c85c8105d9344323017434a420373da0d06097fbdca8
[INFO] running `Command { std: "docker" "start" "-a" "f053e88fff962e85a481c85c8105d9344323017434a420373da0d06097fbdca8", kill_on_drop: false }`
[INFO] [stdout] warning: variant `WriteOnly` is never constructed
[INFO] [stdout]   --> src/bus/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Reg {
[INFO] [stdout]    |      --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     WriteOnly {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Reg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ruverta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `WriteOnly` is never constructed
[INFO] [stdout]   --> src/bus/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Reg {
[INFO] [stdout]    |      --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     WriteOnly {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Reg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "f053e88fff962e85a481c85c8105d9344323017434a420373da0d06097fbdca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f053e88fff962e85a481c85c8105d9344323017434a420373da0d06097fbdca8", kill_on_drop: false }`
[INFO] [stdout] f053e88fff962e85a481c85c8105d9344323017434a420373da0d06097fbdca8