[INFO] fetching crate polynomial_ops 0.1.8... [INFO] testing polynomial_ops-0.1.8 against 1.91.0 for beta-1.92-2 [INFO] extracting crate polynomial_ops 0.1.8 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate polynomial_ops 0.1.8 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 112 packages to latest compatible versions [INFO] [stderr] Adding array__ops v0.1.20 (available: v1.0.3) [INFO] [stderr] Adding currying v0.2.3 (available: v0.4.0) [INFO] [stderr] Adding linspace v0.1.1 (available: v0.2.3) [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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded numscale v0.1.0 [INFO] [stderr] Downloaded currying v0.2.3 [INFO] [stderr] Downloaded tupleops-macros v0.1.0 [INFO] [stderr] Downloaded tupleops-generator v0.1.0 [INFO] [stderr] Downloaded linspace v0.1.1 [INFO] [stderr] Downloaded fn_zip v0.1.2 [INFO] [stderr] Downloaded moddef v0.2.6 [INFO] [stderr] Downloaded tupleops v0.1.1 [INFO] [stderr] Downloaded moddef v0.3.0 [INFO] [stderr] Downloaded slice_trait v0.1.9 [INFO] [stderr] Downloaded slice_ops v0.1.12 [INFO] [stderr] Downloaded array__ops v0.1.20 [INFO] [stderr] Downloaded array_trait v1.1.4 [INFO] [stderr] Downloaded slice_trait v0.2.5 [INFO] [stderr] Downloaded num_identities_const v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 682658da946d4bd71a98f71ab87ad96311c7c19bcc12bc67f701e867d2ac4840 [INFO] running `Command { std: "docker" "start" "-a" "682658da946d4bd71a98f71ab87ad96311c7c19bcc12bc67f701e867d2ac4840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "682658da946d4bd71a98f71ab87ad96311c7c19bcc12bc67f701e867d2ac4840", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "682658da946d4bd71a98f71ab87ad96311c7c19bcc12bc67f701e867d2ac4840", kill_on_drop: false }` [INFO] [stdout] 682658da946d4bd71a98f71ab87ad96311c7c19bcc12bc67f701e867d2ac4840 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c32d0fd3220a25063e75ef3530232835225a67ea8b20edd3614e62c139f3c98a [INFO] running `Command { std: "docker" "start" "-a" "c32d0fd3220a25063e75ef3530232835225a67ea8b20edd3614e62c139f3c98a", kill_on_drop: false }` [INFO] [stderr] Compiling moddef v0.2.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tupleops-generator v0.1.0 [INFO] [stderr] Compiling moddef v0.3.0 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling slice_trait v0.2.5 [INFO] [stderr] Compiling slice_trait v0.1.9 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.5/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(trait_alias)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.5/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(const_trait_impl)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.5/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(ptr_metadata)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.5/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(const_index)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.5/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(const_convert)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.2.5/src/lib.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | #![cfg_attr(feature = "alloc", feature(allocator_api))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(const_trait_impl)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_deref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(const_array_as_mut_slice)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(allocator_api)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.9/src/lib.rs:7:32 [INFO] [stdout] | [INFO] [stdout] 7 | #![cfg_attr(feature = "alloc", feature(const_vec_string_slice))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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: E0554, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `slice_trait` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `slice_trait` (lib) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "c32d0fd3220a25063e75ef3530232835225a67ea8b20edd3614e62c139f3c98a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c32d0fd3220a25063e75ef3530232835225a67ea8b20edd3614e62c139f3c98a", kill_on_drop: false }` [INFO] [stdout] c32d0fd3220a25063e75ef3530232835225a67ea8b20edd3614e62c139f3c98a