[INFO] fetching crate polynomial_ops 0.1.8...
[INFO] testing polynomial_ops-0.1.8 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate polynomial_ops 0.1.8 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate polynomial_ops 0.1.8
[INFO] finished tweaking crates.io crate polynomial_ops 0.1.8
[INFO] tweaked toml for crates.io crate polynomial_ops 0.1.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial_ops 0.1.8 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 118 packages to highest compatible versions
[INFO] [stderr]       Adding array__ops v0.1.20 (available: v1.0.3)
[INFO] [stderr]       Adding currying v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding linspace v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding moddef v0.2.6 (available: v0.3.0)
[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 yeslogic-fontconfig-sys v6.0.1
[INFO] [stderr]   Downloaded redox_users v0.5.3
[INFO] [stderr]   Downloaded font-kit v0.14.3
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] [stderr]   Downloaded fn_zip v0.1.2
[INFO] [stderr]   Downloaded tupleops-generator v0.1.0
[INFO] [stderr]   Downloaded numscale v0.1.0
[INFO] [stderr]   Downloaded tupleops v0.1.1
[INFO] [stderr]   Downloaded slice_trait v0.1.9
[INFO] [stderr]   Downloaded num_identities_const v0.1.0
[INFO] [stderr]   Downloaded moddef v0.2.6
[INFO] [stderr]   Downloaded moddef v0.3.0
[INFO] [stderr]   Downloaded tupleops-macros v0.1.0
[INFO] [stderr]   Downloaded linspace v0.1.1
[INFO] [stderr]   Downloaded slice_ops v0.1.12
[INFO] [stderr]   Downloaded array_trait v1.1.28
[INFO] [stderr]   Downloaded slice_trait v0.3.22
[INFO] [stderr]   Downloaded currying v0.2.3
[INFO] [stderr]   Downloaded core-text v20.1.0
[INFO] [stderr]   Downloaded array__ops v0.1.20
[INFO] [stderr]   Downloaded image v0.24.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630
[INFO] running `Command { std: "docker" "start" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630", 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" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630" "/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" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630", 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" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling moddef v0.2.6
[INFO] [stderr]    Compiling tupleops-generator v0.1.0
[INFO] [stderr]    Compiling moddef v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling slice_trait v0.3.22
[INFO] [stderr]    Compiling slice_trait v0.1.9
[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-0.3.22/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_trait_impl)]
[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/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[E0599]: no method named `into_raw_parts_with_allocator` found for struct `Vec<T>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.3.22/src/into_boxed_slice.rs:39:43
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let (ptr, len, cap, alloc) = self.into_raw_parts_with_allocator();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `into_raw_parts_with_alloc` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 39 -         let (ptr, len, cap, alloc) = self.into_raw_parts_with_allocator();
[INFO] [stdout] 39 +         let (ptr, len, cap, alloc) = self.into_raw_parts_with_alloc();
[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] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice_trait` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `slice_trait` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630", kill_on_drop: false }`
[INFO] [stdout] 1031ce4e605e5525bb0a468726cbab28837cca99eb216c15e9bedf197d7f7630
