[INFO] crate efw 0.1.0 is already in cache
[INFO] checking efw-0.1.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate efw 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate efw 0.1.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate efw 0.1.0
[INFO] finished tweaking crates.io crate efw 0.1.0
[INFO] tweaked toml for crates.io crate efw 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efec4b5f3c3218de1ac35d4cc750d4853e6d2dfcca44df9fbae557f1bd3e1c32
[INFO] running `"docker" "start" "-a" "efec4b5f3c3218de1ac35d4cc750d4853e6d2dfcca44df9fbae557f1bd3e1c32"`
[INFO] [stderr]     Checking late-static v0.3.0
[INFO] [stderr]     Checking r-efi v2.1.0
[INFO] [stderr]     Checking ucs2 v0.1.0
[INFO] [stderr]     Checking efw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(alloc_error_handler)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(alloc_prelude)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(panic_info_message)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(alloc_error_handler)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(alloc_prelude)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(panic_info_message)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `oom`.
[INFO] [stderr]   --> src/allocator.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / fn alloc_error_handler(_layout: core::alloc::Layout) -> ! {
[INFO] [stderr] 35 | |     panic!("Allocation failed");
[INFO] [stderr] 36 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error[E0152]: duplicate lang item found: `panic_impl`.
[INFO] [stderr]   --> src/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / fn panic_handler(panic_info: &core::panic::PanicInfo) -> ! {
[INFO] [stderr] 42 | |     let message = match panic_info.message() {
[INFO] [stderr] 43 | |         Some(s) => s.clone(),
[INFO] [stderr] 44 | |         None => format_args!("no message"),
[INFO] [stderr] ...  |
[INFO] [stderr] 56 | |     loop {}
[INFO] [stderr] 57 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: first defined in crate `std`.
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `efw`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0152, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0152`.
[INFO] [stderr] error: could not compile `efw`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "efec4b5f3c3218de1ac35d4cc750d4853e6d2dfcca44df9fbae557f1bd3e1c32"`
[INFO] running `"docker" "rm" "-f" "efec4b5f3c3218de1ac35d4cc750d4853e6d2dfcca44df9fbae557f1bd3e1c32"`
[INFO] [stdout] efec4b5f3c3218de1ac35d4cc750d4853e6d2dfcca44df9fbae557f1bd3e1c32