[INFO] fetching crate slice_ops 1.0.7...
[INFO] testing slice_ops-1.0.7 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate slice_ops 1.0.7 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate slice_ops 1.0.7
[INFO] finished tweaking crates.io crate slice_ops 1.0.7
[INFO] tweaked toml for crates.io crate slice_ops 1.0.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice_ops 1.0.7 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 slice_ops 1.0.7 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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a
[INFO] running `Command { std: "docker" "start" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a", 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" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a" "/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" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a", 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" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling moddef v0.2.6
[INFO] [stderr]    Compiling slice_trait v0.1.9
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/as_slice.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> const AsSlice for [T]
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/into_boxed_slice.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T> const IntoBoxedSlice for Box<[T]>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/slice.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> const Slice for [T]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected a trait, found type
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/boxed_slice.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T> const BoxedSlice for Box<[T]>
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `AsSlice` in the crate root
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:69:29
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub trait Slice: crate::AsSlice {}
[INFO] [stdout]    |                             ^^^^^^^ not found in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `IntoBoxedSlice` in the crate root
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub trait BoxedSlice: crate::IntoBoxedSlice {}
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ not found in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: relaxed bounds are not permitted in trait alias bounds
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/prereq.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait SlicePrereq<T> = ?Sized
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: trait aliases are not implicitly bounded by `Sized`, so there is nothing to relax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_deref`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_deref)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice_trait` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a", kill_on_drop: false }`
[INFO] [stdout] 7b84004be5144db36aae632c69c8be953ee800168275ef1920ed3846d2e5288a
