[INFO] fetching crate ledger-lib 0.1.0...
[INFO] testing ledger-lib-0.1.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate ledger-lib 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ledger-lib 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ledger-lib 0.1.0
[INFO] finished tweaking crates.io crate ledger-lib 0.1.0
[INFO] tweaked toml for crates.io crate ledger-lib 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encdec v0.9.0
[INFO] [stderr]   Downloaded ledger-proto v0.1.0
[INFO] [stderr]   Downloaded encdec-base v0.9.0
[INFO] [stderr]   Downloaded encdec-macros v0.9.0
[INFO] [stderr]   Downloaded dbus v0.9.7
[INFO] [stderr]   Downloaded encdec-base v0.8.3
[INFO] [stderr]   Downloaded dbus-tokio v0.7.6
[INFO] [stderr]   Downloaded bluez-generated v0.3.0
[INFO] [stderr]   Downloaded bluez-async v0.7.2
[INFO] [stderr]   Downloaded jni-utils v0.1.1
[INFO] [stderr]   Downloaded hidapi v2.6.0
[INFO] [stderr]   Downloaded btleplug v0.10.5
[INFO] [stderr]   Downloaded libdbus-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c5f489cbb69817a4074b0edf4e028e1e134cc8b54a14adb9d6ba645e5e9cdad
[INFO] running `Command { std: "docker" "start" "-a" "8c5f489cbb69817a4074b0edf4e028e1e134cc8b54a14adb9d6ba645e5e9cdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c5f489cbb69817a4074b0edf4e028e1e134cc8b54a14adb9d6ba645e5e9cdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5f489cbb69817a4074b0edf4e028e1e134cc8b54a14adb9d6ba645e5e9cdad", kill_on_drop: false }`
[INFO] [stdout] 8c5f489cbb69817a4074b0edf4e028e1e134cc8b54a14adb9d6ba645e5e9cdad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0d9c68ab1c84b0c9937f4653b29349138680a077d8f2d12c9d73181a499a54
[INFO] running `Command { std: "docker" "start" "-a" "0a0d9c68ab1c84b0c9937f4653b29349138680a077d8f2d12c9d73181a499a54", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling encdec-base v0.8.3
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling hidapi v2.6.0
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling encdec-base v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling encdec-macros v0.9.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling encdec v0.9.0
[INFO] [stderr]    Compiling ledger-proto v0.1.0
[INFO] [stderr]    Compiling dbus v0.9.7
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling serde-xml-rs v0.6.0
[INFO] [stderr]    Compiling dbus-tokio v0.7.6
[INFO] [stderr]    Compiling bluez-generated v0.3.0
[INFO] [stderr]    Compiling bluez-async v0.7.2
[INFO] [stderr]    Compiling btleplug v0.10.5
[INFO] [stderr]    Compiling ledger-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | #![feature(negative_impls)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ledger-lib` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0a0d9c68ab1c84b0c9937f4653b29349138680a077d8f2d12c9d73181a499a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0d9c68ab1c84b0c9937f4653b29349138680a077d8f2d12c9d73181a499a54", kill_on_drop: false }`
[INFO] [stdout] 0a0d9c68ab1c84b0c9937f4653b29349138680a077d8f2d12c9d73181a499a54
