[INFO] fetching crate psp 0.1.2...
[INFO] checking psp-0.1.2 against beta for pr-78714
[INFO] extracting crate psp 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate psp 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate psp 0.1.2
[INFO] finished tweaking crates.io crate psp 0.1.2
[INFO] tweaked toml for crates.io crate psp 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] e209d4220df7561506025f68afb4d2ffcaa4dbc17c0d90c77065d5054fabba62
[INFO] running `Command { std: "docker" "start" "-a" "e209d4220df7561506025f68afb4d2ffcaa4dbc17c0d90c77065d5054fabba62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e209d4220df7561506025f68afb4d2ffcaa4dbc17c0d90c77065d5054fabba62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e209d4220df7561506025f68afb4d2ffcaa4dbc17c0d90c77065d5054fabba62", kill_on_drop: false }`
[INFO] [stdout] e209d4220df7561506025f68afb4d2ffcaa4dbc17c0d90c77065d5054fabba62
[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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 863726e353a67147cdb4d550afb154b053ff16082e7b846eea45423e6eaa5285
[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" "863726e353a67147cdb4d550afb154b053ff16082e7b846eea45423e6eaa5285", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling psp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / #![feature(
[INFO] [stdout] 3  | |     alloc_error_handler,
[INFO] [stdout] 4  | |     llvm_asm,
[INFO] [stdout] 5  | |     global_asm,
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     lang_items,
[INFO] [stdout] 13 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(std_internals, panic_info_message, panic_internals, unwind_attributes)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![cfg_attr(not(feature = "stub-only"), feature(panic_unwind))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / #![feature(
[INFO] [stdout] 3  | |     alloc_error_handler,
[INFO] [stdout] 4  | |     llvm_asm,
[INFO] [stdout] 5  | |     global_asm,
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |     lang_items,
[INFO] [stdout] 13 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(std_internals, panic_info_message, panic_internals, unwind_attributes)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:17:41
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![cfg_attr(not(feature = "stub-only"), feature(panic_unwind))]
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `oom`
[INFO] [stdout]   --> src/alloc_impl.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn aeh(_: Layout) -> ! { loop {} }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/beta-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib
[INFO] [stdout]    = note: second definition in the local crate (`psp`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/beta-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib
[INFO] [stdout]    = note: second definition in the local crate (`psp`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `psp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "863726e353a67147cdb4d550afb154b053ff16082e7b846eea45423e6eaa5285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "863726e353a67147cdb4d550afb154b053ff16082e7b846eea45423e6eaa5285", kill_on_drop: false }`
[INFO] [stdout] 863726e353a67147cdb4d550afb154b053ff16082e7b846eea45423e6eaa5285