[INFO] fetching crate crsp-base 0.2.0...
[INFO] testing crsp-base-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate crsp-base 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate crsp-base 0.2.0
[INFO] finished tweaking crates.io crate crsp-base 0.2.0
[INFO] tweaked toml for crates.io crate crsp-base 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crsp-base 0.2.0 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 60 packages to highest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.1.1)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.12.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.6)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[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 spin_sleep v1.3.3
[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] 98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4
[INFO] running `Command { std: "docker" "start" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4", 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" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4" "/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" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4", 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" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling spin_sleep v1.3.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling spin v0.9.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling crsp-base v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(variant_count, step_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait
[INFO] [stdout]   --> src/processor/data_register.rs:63:51
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&DataRegister, &DataRegister) -> (usize, Option<usize>)`
[INFO] [stdout]               found signature `fn(&DataRegister, &DataRegister) -> Option<usize>`
[INFO] [stdout] help: change the output type to match the trait
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
[INFO] [stdout] 63 +     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_overflowing`, `backward_overflowing`
[INFO] [stdout]   --> src/processor/data_register.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Step for DataRegister {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `forward_overflowing`, `backward_overflowing` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `fn forward_overflowing(_: Self, _: usize) -> (Self, bool) { todo!() }`
[INFO] [stdout]    = help: implement the missing item: `fn backward_overflowing(_: Self, _: usize) -> (Self, bool) { todo!() }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0053, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crsp-base` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4", kill_on_drop: false }`
[INFO] [stdout] 98c276deab9dd8a7902ec1971865e29d139c0099336d94df251205bb6fd1b3f4
