[INFO] cloning repository https://github.com/davisshaver/rust-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davisshaver/rust-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisshaver%2Frust-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisshaver%2Frust-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7fd3adfa84de50486b73dfff8a281ef812f13d1
[INFO] testing davisshaver/rust-experiment against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisshaver%2Frust-experiment" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davisshaver/rust-experiment
[INFO] finished tweaking git repo https://github.com/davisshaver/rust-experiment
[INFO] tweaked toml for git repo https://github.com/davisshaver/rust-experiment written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davisshaver/rust-experiment on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davisshaver/rust-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 300f105ac54809a1037ad5a0e99c86a99f4926649b3071f61869b7b2837ac64a
[INFO] running `Command { std: "docker" "start" "-a" "300f105ac54809a1037ad5a0e99c86a99f4926649b3071f61869b7b2837ac64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "300f105ac54809a1037ad5a0e99c86a99f4926649b3071f61869b7b2837ac64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300f105ac54809a1037ad5a0e99c86a99f4926649b3071f61869b7b2837ac64a", kill_on_drop: false }`
[INFO] [stdout] 300f105ac54809a1037ad5a0e99c86a99f4926649b3071f61869b7b2837ac64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46858d7d3333d34b357018be00a0cc762d85e3b3f7d14cf925a5db5f1698ce68
[INFO] running `Command { std: "docker" "start" "-a" "46858d7d3333d34b357018be00a0cc762d85e3b3f7d14cf925a5db5f1698ce68", kill_on_drop: false }`
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[INFO] [stdout] error[E0038]: the trait `order::BitOrder` is not dyn compatible
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/lib.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub type Cursor = crate::order::BitOrder;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^ `order::BitOrder` is not dyn compatible
[INFO] [stdout]     |
[INFO] [stdout] note: for a trait to be dyn compatible it needs to allow building a vtable
[INFO] [stdout]       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitvec-0.17.4/src/order.rs:45:8
[INFO] [stdout]     |
[INFO] [stdout]  43 | pub trait BitOrder {
[INFO] [stdout]     |           -------- this trait is not dyn compatible...
[INFO] [stdout]  44 |     /// Name of the ordering type, for use in text display.
[INFO] [stdout]  45 |     const TYPENAME: &'static str;
[INFO] [stdout]     |           ^^^^^^^^ ...because it contains associated const `TYPENAME`
[INFO] [stdout]     = help: consider moving `TYPENAME` to another trait
[INFO] [stdout]     = help: the following types implement `order::BitOrder`:
[INFO] [stdout]               order::Msb0
[INFO] [stdout]               order::Lsb0
[INFO] [stdout]             consider defining an enum where each variant holds one of these types,
[INFO] [stdout]             implementing `order::BitOrder` for this new enum and using it instead
[INFO] [stdout]     = note: `order::BitOrder` may be implemented in other crates; if you want to support your users passing their own types here, you can't refer to a specific type
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling futures-locks v0.7.1
[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling brotli v3.3.4
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitvec` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46858d7d3333d34b357018be00a0cc762d85e3b3f7d14cf925a5db5f1698ce68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46858d7d3333d34b357018be00a0cc762d85e3b3f7d14cf925a5db5f1698ce68", kill_on_drop: false }`
[INFO] [stdout] 46858d7d3333d34b357018be00a0cc762d85e3b3f7d14cf925a5db5f1698ce68
