[INFO] fetching crate generic-vec 0.1.2...
[INFO] testing generic-vec-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate generic-vec 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate generic-vec 0.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic-vec 0.1.2
[INFO] finished tweaking crates.io crate generic-vec 0.1.2
[INFO] tweaked toml for crates.io crate generic-vec 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-traits v0.1.1
[INFO] [stderr]   Downloaded static-alloc v0.2.1
[INFO] [stderr]   Downloaded mockalloc-macros v0.1.0
[INFO] [stderr]   Downloaded mockalloc v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044e1f552b82b03533df7cc5d9c979efe90c2743045da4e1fcc1b7738c70c10a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "044e1f552b82b03533df7cc5d9c979efe90c2743045da4e1fcc1b7738c70c10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044e1f552b82b03533df7cc5d9c979efe90c2743045da4e1fcc1b7738c70c10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044e1f552b82b03533df7cc5d9c979efe90c2743045da4e1fcc1b7738c70c10a", kill_on_drop: false }`
[INFO] [stdout] 044e1f552b82b03533df7cc5d9c979efe90c2743045da4e1fcc1b7738c70c10a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37fb7e8eb18e5c7e874c844b544165d3d82cf8d6d5fd83a0992a45fc0ef4915d
[INFO] running `Command { std: "docker" "start" "-a" "37fb7e8eb18e5c7e874c844b544165d3d82cf8d6d5fd83a0992a45fc0ef4915d", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-vec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "37fb7e8eb18e5c7e874c844b544165d3d82cf8d6d5fd83a0992a45fc0ef4915d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fb7e8eb18e5c7e874c844b544165d3d82cf8d6d5fd83a0992a45fc0ef4915d", kill_on_drop: false }`
[INFO] [stdout] 37fb7e8eb18e5c7e874c844b544165d3d82cf8d6d5fd83a0992a45fc0ef4915d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8864020ab036a67e14db8b3ec512d45ce1695d7c2ab7356116ab0f6af7bc3707
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8864020ab036a67e14db8b3ec512d45ce1695d7c2ab7356116ab0f6af7bc3707", kill_on_drop: false }`
[INFO] [stderr]    Compiling alloc-traits v0.1.1
[INFO] [stderr]    Compiling mockalloc-macros v0.1.0
[INFO] [stderr]    Compiling static-alloc v0.2.1
[INFO] [stderr]    Compiling mockalloc v0.1.2
[INFO] [stderr]    Compiling generic-vec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "8864020ab036a67e14db8b3ec512d45ce1695d7c2ab7356116ab0f6af7bc3707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8864020ab036a67e14db8b3ec512d45ce1695d7c2ab7356116ab0f6af7bc3707", kill_on_drop: false }`
[INFO] [stdout] 8864020ab036a67e14db8b3ec512d45ce1695d7c2ab7356116ab0f6af7bc3707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b30df23324a0f5d1db5c09ababfb67e2c49271960b13647c35a48df9245f1b43
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b30df23324a0f5d1db5c09ababfb67e2c49271960b13647c35a48df9245f1b43", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generic_vec-0d3240695dcadc91
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-0a4e25935b300955
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test heap_vec::copy::cursor::cursor_front ... ok
[INFO] [stdout] test heap_vec::copy::drain::drain_filter ... ok
[INFO] [stdout] test heap_vec::copy::into_iter::into_iter ... ok
[INFO] [stdout] test heap_vec::copy::splice::splice_exact_or_more ... ok
[INFO] [stdout] test heap_vec::copy::simple::simple ... ok
[INFO] [stdout] test heap_vec::copy::vec_ops::split_off ... ok
[INFO] [stdout] test heap_vec::owned::cursor::raw_drain_front ... ok
[INFO] [stdout] test heap_vec::owned::drain::drain ... ok
[INFO] [stdout] test heap_vec::owned::drain::drain_filter ... ok
[INFO] [stdout] test heap_vec::owned::into_iter::into_iter ... ok
[INFO] [stdout] test heap_vec::owned::splice::splice_exact_or_more ... ok
[INFO] [stdout] test init_slice_vec::copy::cursor::cursor_back ... ok
[INFO] [stdout] test heap_vec::copy::cursor::drain_filter ... ok
[INFO] [stdout] test heap_vec::copy::cursor::cursor_back ... ok
[INFO] [stdout] test init_slice_vec::copy::cursor::cursor_front ... ok
[INFO] [stdout] test heap_vec::owned::simple::simple ... ok
[INFO] [stdout] test init_slice_vec::copy::drain::drain_filter ... ok
[INFO] [stdout] test init_slice_vec::copy::drain::drain ... ok
[INFO] [stdout] test heap_vec::copy::cursor::drain ... ok
[INFO] [stdout] test init_slice_vec::copy::cursor::drain_filter ... ok
[INFO] [stdout] test init_slice_vec::copy::cursor::drain ... ok
[INFO] [stdout] test heap_vec::owned::cursor::raw_drain_back ... ok
[INFO] [stdout] test init_slice_vec::copy::into_iter::into_iter ... ok
[INFO] [stdout] test init_slice_vec::copy::splice::splice_exact_or_more ... ok
[INFO] [stdout] test init_slice_vec::copy::simple::simple ... ok
[INFO] [stdout] test init_slice_vec::copy::splice::splice_from_zero ... ok
[INFO] [stdout] test init_slice_vec::copy::splice::splice_less ... ok
[INFO] [stdout] test slice_vec::copy::cursor::cursor_back ... ok
[INFO] [stdout] test init_slice_vec::copy::vec_ops::split_off ... ok
[INFO] [stdout] test slice_vec::copy::cursor::cursor_front ... ok
[INFO] [stdout] test slice_vec::copy::drain::drain_filter ... ok
[INFO] [stdout] test slice_vec::copy::cursor::drain ... ok
[INFO] [stdout] test slice_vec::copy::cursor::drain_filter ... ok
[INFO] [stdout] test slice_vec::copy::into_iter::into_iter ... ok
[INFO] [stdout] test slice_vec::copy::simple::simple ... ok
[INFO] [stdout] test slice_vec::copy::splice::splice_from_zero ... ok
[INFO] [stdout] test slice_vec::copy::splice::splice_less ... ok
[INFO] [stdout] test slice_vec::copy::vec_ops::consume_extend ... ok
[INFO] [stdout] test slice_vec::copy::vec_ops::split_off ... ok
[INFO] [stdout] test slice_vec::copy::drain::drain ... ok
[INFO] [stdout] test slice_vec::owned::cursor::raw_drain_back ... ok
[INFO] [stdout] test slice_vec::owned::cursor::raw_drain_front ... ok
[INFO] [stdout] test slice_vec::copy::splice::splice_exact_or_more ... ok
[INFO] [stdout] test slice_vec::owned::drain::drain ... ok
[INFO] [stdout] test slice_vec::owned::drain::drain_filter ... ok
[INFO] [stdout] test slice_vec::owned::into_iter::into_iter ... ok
[INFO] [stdout] test slice_vec::owned::simple::simple ... ok
[INFO] [stdout] test slice_vec::owned::vec_ops::consume_extend ... ok
[INFO] [stdout] test slice_vec::owned::splice::splice_exact_or_more ... ok
[INFO] [stdout] test slice_vec::owned::vec_ops::split_off ... ok
[INFO] [stderr]    Doc-tests generic-vec
[INFO] [stdout] test slice_vec::owned::splice::splice_from_zero ... ok
[INFO] [stdout] test slice_vec::owned::splice::splice_less ... ok
[INFO] [stdout] test zero_sized::zero_sized ... ok
[INFO] [stdout] test init_slice_vec::copy::vec_ops::consume_extend ... ok
[INFO] [stdout] test heap_vec::owned::vec_ops::consume_extend ... ok
[INFO] [stdout] test heap_vec::owned::vec_ops::split_off ... ok
[INFO] [stdout] test heap_vec::copy::drain::drain ... ok
[INFO] [stdout] test heap_vec::copy::splice::splice_from_zero ... ok
[INFO] [stdout] test heap_vec::copy::vec_ops::consume_extend ... ok
[INFO] [stdout] test heap_vec::copy::splice::splice_less ... ok
[INFO] [stdout] test heap_vec::owned::splice::splice_less ... ok
[INFO] [stdout] test heap_vec::owned::splice::splice_from_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error[E0432]: unresolved import `std::alloc::AllocRef`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/raw/heap/nightly.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::alloc::{AllocRef, Global};
[INFO] [stderr]    |                  ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AllocRef` in module `std::alloc`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/impls.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 | impl<T, A: std::alloc::AllocRef> From<Vec<T, A>> for crate::HeapVec<T, A> {
[INFO] [stderr]     |                        ^^^^^^^^ not found in `std::alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AllocRef` in module `std::alloc`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/impls.rs:140:24
[INFO] [stderr]     |
[INFO] [stderr] 140 | impl<T, A: std::alloc::AllocRef> From<crate::HeapVec<T, A>> for Vec<T, A> {
[INFO] [stderr]     |                        ^^^^^^^^ not found in `std::alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `AllocRef` in module `std::alloc`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:547:24
[INFO] [stderr]     |
[INFO] [stderr] 547 | impl<T, A: std::alloc::AllocRef> HeapVec<T, A> {
[INFO] [stderr]     |                        ^^^^^^^^ not found in `std::alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     feature(min_const_generics, unsafe_block_in_unsafe_fn)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     feature(
[INFO] [stderr] 9  | |         trusted_len,
[INFO] [stderr] 10 | |         min_specialization,
[INFO] [stderr] 11 | |         exact_size_is_empty,
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |         doc_cfg,
[INFO] [stderr] 19 | |     )
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b30df23324a0f5d1db5c09ababfb67e2c49271960b13647c35a48df9245f1b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30df23324a0f5d1db5c09ababfb67e2c49271960b13647c35a48df9245f1b43", kill_on_drop: false }`
[INFO] [stdout] b30df23324a0f5d1db5c09ababfb67e2c49271960b13647c35a48df9245f1b43