[INFO] fetching crate nam-ledger-lib 0.1.1-nam.0...
[INFO] testing nam-ledger-lib-0.1.1-nam.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate nam-ledger-lib 0.1.1-nam.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate nam-ledger-lib 0.1.1-nam.0
[INFO] finished tweaking crates.io crate nam-ledger-lib 0.1.1-nam.0
[INFO] tweaked toml for crates.io crate nam-ledger-lib 0.1.1-nam.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nam-ledger-lib 0.1.1-nam.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages to highest compatible versions
[INFO] [stderr]       Adding btleplug v0.11.8 (available: v0.13.5)
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encdec-macros v0.10.0
[INFO] [stderr]   Downloaded nam-ledger-proto v0.1.1-nam.0
[INFO] [stderr]   Downloaded encdec v0.10.0
[INFO] [stderr]   Downloaded hidapi v2.6.7
[INFO] [stderr]   Downloaded encdec-base v0.10.0
[INFO] [stderr]   Downloaded bluez-async v0.8.2
[INFO] [stderr]   Downloaded bluez-generated v0.4.0
[INFO] [stderr]   Downloaded objc2-core-bluetooth v0.2.2
[INFO] [stderr]   Downloaded xml v1.4.0
[INFO] [stderr]   Downloaded jni v0.19.0
[INFO] [stderr]   Downloaded jni-utils v0.1.1
[INFO] [stderr]   Downloaded serde-xml-rs v0.8.2
[INFO] [stderr]   Downloaded btleplug v0.11.8
[INFO] [stderr]   Downloaded objc2 v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b
[INFO] running `Command { std: "docker" "start" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling libdbus-sys v0.2.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling xml v1.4.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.6
[INFO] [stderr]    Compiling hidapi v2.6.7
[INFO] [stderr]    Compiling uuid v1.28.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling encdec-base v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dashmap v6.2.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling num_enum v0.7.6
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling encdec-macros v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling thiserror-impl v2.0.21
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling encdec v0.10.0
[INFO] [stderr]    Compiling nam-ledger-proto v0.1.1-nam.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling serde-xml-rs v0.8.2
[INFO] [stderr]    Compiling dbus v0.9.12
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling tokio-util v0.7.20
[INFO] [stderr]    Compiling tokio-stream v0.1.19
[INFO] [stderr]    Compiling bluez-generated v0.4.0
[INFO] [stderr]    Compiling dbus-tokio v0.7.6
[INFO] [stderr]    Compiling bluez-async v0.8.2
[INFO] [stderr]    Compiling btleplug v0.11.8
[INFO] [stderr]    Compiling nam-ledger-lib v0.1.1-nam.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl !Send for UsbDevice {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl !Sync for UsbDevice {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl !Send for UsbTransport {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl !Sync for UsbTransport {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 37.67s
[INFO] running `Command { std: "docker" "inspect" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling nam-ledger-lib v0.1.1-nam.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl !Send for UsbDevice {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl !Sync for UsbDevice {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl !Send for UsbTransport {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl !Sync for UsbTransport {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl !Send for UsbDevice {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl !Sync for UsbDevice {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl !Send for UsbTransport {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]   --> src/transport/usb.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl !Sync for UsbTransport {}
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:82:6
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl !Send for UsbDevice {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:84:6
[INFO] [stderr]    |
[INFO] [stderr] 84 | impl !Sync for UsbDevice {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:87:6
[INFO] [stderr]    |
[INFO] [stderr] 87 | impl !Send for UsbTransport {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:89:6
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl !Sync for UsbTransport {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: `nam-ledger-lib` (lib) generated 4 warnings
[INFO] [stderr] warning: `nam-ledger-lib` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/nam_ledger_lib-73f5e313d1a4ee3c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test device::tests::test_encode_requests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nam_ledger_lib
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:82:6
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl !Send for UsbDevice {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:84:6
[INFO] [stderr]    |
[INFO] [stderr] 84 | impl !Sync for UsbDevice {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:87:6
[INFO] [stderr]    |
[INFO] [stderr] 87 | impl !Send for UsbTransport {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: negative impls are experimental
[INFO] [stderr]   --> src/transport/usb.rs:89:6
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl !Sync for UsbTransport {}
[INFO] [stderr]    |      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stderr]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 25) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ledger_lib`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use ledger_lib::{LedgerProvider, Filters, Transport, Device, DEFAULT_TIMEOUT};
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `ledger_lib`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ledger_lib`, use `cargo add ledger_lib` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> src/lib.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if devices.is_empty() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout]    = note: `#[warn(method_call_on_diverging_infer_var)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_empty` found for type `!` in the current scope
[INFO] [stdout]   --> src/lib.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 37 |     if devices.is_empty() {
[INFO] [stdout]    |                ^^^^^^^^ method not found in `!`
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `!`
[INFO] [stdout]   --> src/lib.rs:42:46
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut ledger = provider.connect(devices[0].clone()).await?;
[INFO] [stdout]    |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] warning: method call on a diverging inference variable
[INFO] [stdout]   --> src/lib.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let info = ledger.app_info(DEFAULT_TIMEOUT).await?;
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider providing a type annotation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #156047 <https://github.com/rust-lang/rust/issues/156047>
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `app_info` found for type `!` in the current scope
[INFO] [stdout]   --> src/lib.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let info = ledger.app_info(DEFAULT_TIMEOUT).await?;
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `!`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0608.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 25)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b", kill_on_drop: false }`
[INFO] [stdout] d21276629a61cdb53ea4aaa9a923843322f066ce44a6ba63eb62e17da74ed80b
