[INFO] fetching crate xfast 0.1.0...
[INFO] checking xfast-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate xfast 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xfast 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xfast 0.1.0
[INFO] finished tweaking crates.io crate xfast 0.1.0
[INFO] tweaked toml for crates.io crate xfast 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] e015b7903dd1af1b45fb3b521f76ab3c33b66b68d95727f0b4a840b51887f693
[INFO] running `Command { std: "docker" "start" "-a" "e015b7903dd1af1b45fb3b521f76ab3c33b66b68d95727f0b4a840b51887f693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e015b7903dd1af1b45fb3b521f76ab3c33b66b68d95727f0b4a840b51887f693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e015b7903dd1af1b45fb3b521f76ab3c33b66b68d95727f0b4a840b51887f693", kill_on_drop: false }`
[INFO] [stdout] e015b7903dd1af1b45fb3b521f76ab3c33b66b68d95727f0b4a840b51887f693
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ad7cfa9b0ed124c1b0a4f3ec55c9c6cc42d8266bd9ada3968b857cafa1be407
[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" "7ad7cfa9b0ed124c1b0a4f3ec55c9c6cc42d8266bd9ada3968b857cafa1be407", kill_on_drop: false }`
[INFO] [stderr]     Checking xfast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_into_raw_non_null)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_get_key_value)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_into_raw_non_null)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_get_key_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::boxed::Box::<T>::into_raw_non_null': use `Box::leak(b).into()` or `NonNull::from(Box::leak(b))` instead
[INFO] [stdout]    --> src/lib.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let root_node = Box::into_raw_non_null(root_node);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::boxed::Box::<T>::into_raw_non_null': use `Box::leak(b).into()` or `NonNull::from(Box::leak(b))` instead
[INFO] [stdout]    --> src/lib.rs:336:33
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let temp_node = Box::into_raw_non_null(temp_node);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::boxed::Box::<T>::into_raw_non_null': use `Box::leak(b).into()` or `NonNull::from(Box::leak(b))` instead
[INFO] [stdout]    --> src/lib.rs:432:29
[INFO] [stdout]     |
[INFO] [stdout] 432 |         let new_node = Some(Box::into_raw_non_null(new_node));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::boxed::Box::<T>::into_raw_non_null': use `Box::leak(b).into()` or `NonNull::from(Box::leak(b))` instead
[INFO] [stdout]    --> src/lib.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let root_node = Box::into_raw_non_null(root_node);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xfast`.
[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] warning: use of deprecated item 'std::boxed::Box::<T>::into_raw_non_null': use `Box::leak(b).into()` or `NonNull::from(Box::leak(b))` instead
[INFO] [stdout]    --> src/lib.rs:336:33
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let temp_node = Box::into_raw_non_null(temp_node);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::boxed::Box::<T>::into_raw_non_null': use `Box::leak(b).into()` or `NonNull::from(Box::leak(b))` instead
[INFO] [stdout]    --> src/lib.rs:432:29
[INFO] [stdout]     |
[INFO] [stdout] 432 |         let new_node = Some(Box::into_raw_non_null(new_node));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7ad7cfa9b0ed124c1b0a4f3ec55c9c6cc42d8266bd9ada3968b857cafa1be407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad7cfa9b0ed124c1b0a4f3ec55c9c6cc42d8266bd9ada3968b857cafa1be407", kill_on_drop: false }`
[INFO] [stdout] 7ad7cfa9b0ed124c1b0a4f3ec55c9c6cc42d8266bd9ada3968b857cafa1be407
