[INFO] fetching crate xfast 0.1.0...
[INFO] testing xfast-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate xfast 0.1.0 into /workspace/builds/worker-2-tc1/source
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xfast 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8edb7112d8a43885028df02460a965ca31d08c0d7df96dad95580e9abb892457
[INFO] running `Command { std: "docker" "start" "-a" "8edb7112d8a43885028df02460a965ca31d08c0d7df96dad95580e9abb892457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8edb7112d8a43885028df02460a965ca31d08c0d7df96dad95580e9abb892457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edb7112d8a43885028df02460a965ca31d08c0d7df96dad95580e9abb892457", kill_on_drop: false }`
[INFO] [stdout] 8edb7112d8a43885028df02460a965ca31d08c0d7df96dad95580e9abb892457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72301108264b6bb73f7615bd6672393a0fca689678d5b621e833aaefc70d0d74
[INFO] running `Command { std: "docker" "start" "-a" "72301108264b6bb73f7615bd6672393a0fca689678d5b621e833aaefc70d0d74", kill_on_drop: false }`
[INFO] [stderr]    Compiling xfast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `map_get_key_value` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_get_key_value)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `box_into_raw_non_null`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_into_raw_non_null)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let root_node = Box::into_raw_non_null(root_node);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::new
[INFO] [stdout]       Box::<T>::new_uninit
[INFO] [stdout]       Box::<T>::new_zeroed
[INFO] [stdout]       Box::<T>::try_new
[INFO] [stdout]       and 22 others
[INFO] [stdout]    --> /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:260:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:336:38
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 let temp_node = Box::into_raw_non_null(temp_node);
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::new
[INFO] [stdout]       Box::<T>::new_uninit
[INFO] [stdout]       Box::<T>::new_zeroed
[INFO] [stdout]       Box::<T>::try_new
[INFO] [stdout]       and 22 others
[INFO] [stdout]    --> /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:260:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `into_raw_non_null` found for struct `Box<_, _>` in the current scope
[INFO] [stdout]    --> src/lib.rs:432:34
[INFO] [stdout]     |
[INFO] [stdout] 432 |         let new_node = Some(Box::into_raw_non_null(new_node));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_, _>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Box<_, _>` consider using one of the following associated functions:
[INFO] [stdout]       Box::<T>::new
[INFO] [stdout]       Box::<T>::new_uninit
[INFO] [stdout]       Box::<T>::new_zeroed
[INFO] [stdout]       Box::<T>::try_new
[INFO] [stdout]       and 22 others
[INFO] [stdout]    --> /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:260:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xfast` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "72301108264b6bb73f7615bd6672393a0fca689678d5b621e833aaefc70d0d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72301108264b6bb73f7615bd6672393a0fca689678d5b621e833aaefc70d0d74", kill_on_drop: false }`
[INFO] [stdout] 72301108264b6bb73f7615bd6672393a0fca689678d5b621e833aaefc70d0d74