[INFO] fetching crate desk-logind 1.1.1...
[INFO] testing desk-logind-1.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate desk-logind 1.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate desk-logind 1.1.1
[INFO] finished tweaking crates.io crate desk-logind 1.1.1
[INFO] tweaked toml for crates.io crate desk-logind 1.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate desk-logind 1.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.19.1 (available: v0.30.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62d677d790df9bbb33de788dd409effc586ddd3b5e14d7574662bc5ee218d5db
[INFO] running `Command { std: "docker" "start" "-a" "62d677d790df9bbb33de788dd409effc586ddd3b5e14d7574662bc5ee218d5db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d677d790df9bbb33de788dd409effc586ddd3b5e14d7574662bc5ee218d5db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d677d790df9bbb33de788dd409effc586ddd3b5e14d7574662bc5ee218d5db", kill_on_drop: false }`
[INFO] [stdout] 62d677d790df9bbb33de788dd409effc586ddd3b5e14d7574662bc5ee218d5db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fae0237bb182fb35d3d2706b1080b4d542197ba099a7baf5cc89f8e71cca1d3
[INFO] running `Command { std: "docker" "start" "-a" "4fae0237bb182fb35d3d2706b1080b4d542197ba099a7baf5cc89f8e71cca1d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libdbus-sys v0.2.6
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling dbus v0.9.9
[INFO] [stderr]    Compiling desk-logind v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `backtrace` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(backtrace)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]  --> src/error.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Error, Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout]   = help: add `#![feature(error_generic_member_access)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout]   = note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desk-logind` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4fae0237bb182fb35d3d2706b1080b4d542197ba099a7baf5cc89f8e71cca1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fae0237bb182fb35d3d2706b1080b4d542197ba099a7baf5cc89f8e71cca1d3", kill_on_drop: false }`
[INFO] [stdout] 4fae0237bb182fb35d3d2706b1080b4d542197ba099a7baf5cc89f8e71cca1d3