[INFO] fetching crate usb_enumeration 0.1.2...
[INFO] testing usb_enumeration-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate usb_enumeration 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate usb_enumeration 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usb_enumeration 0.1.2
[INFO] finished tweaking crates.io crate usb_enumeration 0.1.2
[INFO] tweaked toml for crates.io crate usb_enumeration 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f14114ae4cb12fbcc1fb0a32325996894248867473cda1fd9d2955d63640808
[INFO] running `Command { std: "docker" "start" "-a" "9f14114ae4cb12fbcc1fb0a32325996894248867473cda1fd9d2955d63640808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f14114ae4cb12fbcc1fb0a32325996894248867473cda1fd9d2955d63640808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f14114ae4cb12fbcc1fb0a32325996894248867473cda1fd9d2955d63640808", kill_on_drop: false }`
[INFO] [stdout] 9f14114ae4cb12fbcc1fb0a32325996894248867473cda1fd9d2955d63640808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37dc246770855f21403affe27fb72aff9415e45d0e04a3d0e612e1a7c3454643
[INFO] running `Command { std: "docker" "start" "-a" "37dc246770855f21403affe27fb72aff9415e45d0e04a3d0e612e1a7c3454643", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-queue v0.3.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling udev v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling usb_enumeration v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tx_close`
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     tx_close: Sender<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "37dc246770855f21403affe27fb72aff9415e45d0e04a3d0e612e1a7c3454643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37dc246770855f21403affe27fb72aff9415e45d0e04a3d0e612e1a7c3454643", kill_on_drop: false }`
[INFO] [stdout] 37dc246770855f21403affe27fb72aff9415e45d0e04a3d0e612e1a7c3454643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f2e60da81d91454956e96ac9ed9fd6e26a297abf9c76dbc3d2fe3e8c84f7920
[INFO] running `Command { std: "docker" "start" "-a" "9f2e60da81d91454956e96ac9ed9fd6e26a297abf9c76dbc3d2fe3e8c84f7920", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb_enumeration v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tx_close`
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     tx_close: Sender<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tx_close`
[INFO] [stdout]    --> src/lib.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     tx_close: Sender<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/lib.rs:111:10
[INFO] [stdout]     |
[INFO] [stdout] 111 | #[derive(Clone)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/usb_enumeration-811f5c59ee2e1bb4)
[INFO] running `Command { std: "docker" "inspect" "9f2e60da81d91454956e96ac9ed9fd6e26a297abf9c76dbc3d2fe3e8c84f7920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2e60da81d91454956e96ac9ed9fd6e26a297abf9c76dbc3d2fe3e8c84f7920", kill_on_drop: false }`
[INFO] [stdout] 9f2e60da81d91454956e96ac9ed9fd6e26a297abf9c76dbc3d2fe3e8c84f7920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99286035620fa2a5f7d82fc7eff89020d3543fe9c5843ef1b457667c25b72a25
[INFO] running `Command { std: "docker" "start" "-a" "99286035620fa2a5f7d82fc7eff89020d3543fe9c5843ef1b457667c25b72a25", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `tx_close`
[INFO] [stderr]    --> src/lib.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     tx_close: Sender<()>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/lib.rs:111:10
[INFO] [stderr]     |
[INFO] [stderr] 111 | #[derive(Clone)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `usb_enumeration` (lib) generated 1 warning
[INFO] [stderr] warning: `usb_enumeration` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/usb_enumeration-811f5c59ee2e1bb4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_enumerate ... FAILED
[INFO] [stdout] test tests::test_subscribe has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "99286035620fa2a5f7d82fc7eff89020d3543fe9c5843ef1b457667c25b72a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99286035620fa2a5f7d82fc7eff89020d3543fe9c5843ef1b457667c25b72a25", kill_on_drop: false }`
[INFO] [stdout] 99286035620fa2a5f7d82fc7eff89020d3543fe9c5843ef1b457667c25b72a25