[INFO] fetching crate hidusage 0.1.0...
[INFO] checking hidusage-0.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate hidusage 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hidusage 0.1.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hidusage 0.1.0
[INFO] finished tweaking crates.io crate hidusage 0.1.0
[INFO] tweaked toml for crates.io crate hidusage 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e4777ea91f60ebf47a01e1b19141ab286710bebd7ae1d15c0d9c30438fa010
[INFO] running `Command { std: "docker" "start" "-a" "f9e4777ea91f60ebf47a01e1b19141ab286710bebd7ae1d15c0d9c30438fa010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e4777ea91f60ebf47a01e1b19141ab286710bebd7ae1d15c0d9c30438fa010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e4777ea91f60ebf47a01e1b19141ab286710bebd7ae1d15c0d9c30438fa010", kill_on_drop: false }`
[INFO] [stdout] f9e4777ea91f60ebf47a01e1b19141ab286710bebd7ae1d15c0d9c30438fa010
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581014aea896d47ebc3eb54a741a01c2f89c7e3184f9fe29ae793bc86c278381
[INFO] running `Command { std: "docker" "start" "-a" "581014aea896d47ebc3eb54a741a01c2f89c7e3184f9fe29ae793bc86c278381", kill_on_drop: false }`
[INFO] [stderr]     Checking hidusage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `UsageTypeControls`
[INFO] [stdout]  --> src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum UsageTypeControls {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsageTypeData`
[INFO] [stdout]   --> src/lib.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum UsageTypeData {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsageTypeCollection`
[INFO] [stdout]   --> src/lib.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum UsageTypeCollection {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsageTypeControls`
[INFO] [stdout]  --> src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum UsageTypeControls {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsageTypeData`
[INFO] [stdout]   --> src/lib.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum UsageTypeData {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UsageTypeCollection`
[INFO] [stdout]   --> src/lib.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum UsageTypeCollection {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "581014aea896d47ebc3eb54a741a01c2f89c7e3184f9fe29ae793bc86c278381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581014aea896d47ebc3eb54a741a01c2f89c7e3184f9fe29ae793bc86c278381", kill_on_drop: false }`
[INFO] [stdout] 581014aea896d47ebc3eb54a741a01c2f89c7e3184f9fe29ae793bc86c278381