[INFO] fetching crate logicrs 0.6.1...
[INFO] testing logicrs-0.6.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate logicrs 0.6.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate logicrs 0.6.1
[INFO] finished tweaking crates.io crate logicrs 0.6.1
[INFO] tweaked toml for crates.io crate logicrs 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate logicrs 0.6.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate logicrs 0.6.1 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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] b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d
[INFO] running `Command { std: "docker" "start" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d", 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" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d", 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" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling inventory v0.3.21
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling giputils v0.3.6
[INFO] [stderr]    Compiling logicrs v0.6.1 (/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(step_trait, try_trait_v2)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `term::Term: Residual<()>` is not satisfied
[INFO] [stdout]    --> src/fol/utils.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 |     type Residual = Term;
[INFO] [stdout]     |                     ^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the nightly-only, unstable trait `Residual<()>` is not implemented for `term::Term`
[INFO] [stdout]    --> src/fol/term.rs:16:1
[INFO] [stdout]     |
[INFO] [stdout]  16 | pub struct Term {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] help: the following other types implement trait `Residual<O>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/option.rs:2908:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Option<!>` implements `Residual<T>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/control_flow.rs:138:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ControlFlow<B, !>` implements `Residual<C>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2206:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Result<!, E>` implements `Residual<T>`
[INFO] [stdout] note: required by a bound in `std::ops::Try::Residual`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/try_trait.rs:160:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `forward_overflowing`, `backward_overflowing`
[INFO] [stdout]    --> src/lib.rs:116:1
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl Step for Var {
[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, E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logicrs` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d", kill_on_drop: false }`
[INFO] [stdout] b1e0955c8d4367f3214df93c0575cf4f74a24412e531ba1cf14a0ecdc283948d
