[INFO] cloning repository https://github.com/plutolove/rust-datastructure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plutolove/rust-datastructure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplutolove%2Frust-datastructure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplutolove%2Frust-datastructure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d448b7dbb5e51719be8a79b161af29c949a64ce2
[INFO] checking plutolove/rust-datastructure against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplutolove%2Frust-datastructure" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plutolove/rust-datastructure 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 git repo https://github.com/plutolove/rust-datastructure
[INFO] finished tweaking git repo https://github.com/plutolove/rust-datastructure
[INFO] tweaked toml for git repo https://github.com/plutolove/rust-datastructure written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/plutolove/rust-datastructure already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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] [stdout] 10d7bc688dd3d254a7caa01b26b1701fe983c44ac0231d178be4e71940e33eb3
[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" "10d7bc688dd3d254a7caa01b26b1701fe983c44ac0231d178be4e71940e33eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10d7bc688dd3d254a7caa01b26b1701fe983c44ac0231d178be4e71940e33eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d7bc688dd3d254a7caa01b26b1701fe983c44ac0231d178be4e71940e33eb3", kill_on_drop: false }`
[INFO] [stdout] 10d7bc688dd3d254a7caa01b26b1701fe983c44ac0231d178be4e71940e33eb3
[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] b4f5ffa6eaed602b1f42390962ab1ed28f17bf5b3d1e341b286fba25a7ca5737
[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" "b4f5ffa6eaed602b1f42390962ab1ed28f17bf5b3d1e341b286fba25a7ca5737", kill_on_drop: false }`
[INFO] [stderr]     Checking data-structure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/collections/vector.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::heap::{Alloc, Layout, Heap, oom};
[INFO] [stdout]   |          ^^^^ could not find `heap` in `std`
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(dropck_eyepatch)]
[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(ptr_internals)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator_api)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(unique)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/collections/bitmap.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         ((self.bits[index] & (1 << subset)) != 0)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]  --> src/collections/vector.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::heap::{Alloc, Layout, Heap, oom};
[INFO] [stdout]   |          ^^^^ could not find `heap` in `std`
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(dropck_eyepatch)]
[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(ptr_internals)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(allocator_api)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(unique)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/collections/bitmap.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         ((self.bits[index] & (1 << subset)) != 0)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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/collections/linked_list.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let node = Some(Box::into_raw_non_null(node));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_>`
[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/collections/linked_list.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let node = Some(Box::into_raw_non_null(node));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_>`
[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/collections/linked_list.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |             let node = Some(Box::into_raw_non_null(node));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `empty` found for struct `Unique<_>` in the current scope
[INFO] [stdout]   --> src/collections/vector.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |         VecPtr{ptr: Unique::empty(), cap: cap}
[INFO] [stdout]    |                             ^^^^^ function or associated item not found in `Unique<_>`
[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/collections/linked_list.rs:84:34
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let node = Some(Box::into_raw_non_null(node));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ function or associated item not found in `Box<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_opaque` found for struct `NonNull<T>` in the current scope
[INFO] [stdout]   --> src/collections/vector.rs:35:69
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     let nptr = Heap.realloc(NonNull::from(self.ptr).as_opaque(), layout, cap * elem_size);
[INFO] [stdout]    |                                                                     ^^^^^^^^^ method not found in `NonNull<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_opaque` found for struct `NonNull<T>` in the current scope
[INFO] [stdout]   --> src/collections/vector.rs:63:62
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 unsafe {Heap.dealloc(NonNull::from(self.ptr).as_opaque(), layout);}
[INFO] [stdout]    |                                                              ^^^^^^^^^ method not found in `NonNull<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `empty` found for struct `Unique<_>` in the current scope
[INFO] [stdout]   --> src/collections/vector.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |         VecPtr{ptr: Unique::empty(), cap: cap}
[INFO] [stdout]    |                             ^^^^^ function or associated item not found in `Unique<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_opaque` found for struct `NonNull<T>` in the current scope
[INFO] [stdout]   --> src/collections/vector.rs:35:69
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     let nptr = Heap.realloc(NonNull::from(self.ptr).as_opaque(), layout, cap * elem_size);
[INFO] [stdout]    |                                                                     ^^^^^^^^^ method not found in `NonNull<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_opaque` found for struct `NonNull<T>` in the current scope
[INFO] [stdout]   --> src/collections/vector.rs:63:62
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 unsafe {Heap.dealloc(NonNull::from(self.ptr).as_opaque(), layout);}
[INFO] [stdout]    |                                                              ^^^^^^^^^ method not found in `NonNull<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data-structure`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b4f5ffa6eaed602b1f42390962ab1ed28f17bf5b3d1e341b286fba25a7ca5737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f5ffa6eaed602b1f42390962ab1ed28f17bf5b3d1e341b286fba25a7ca5737", kill_on_drop: false }`
[INFO] [stdout] b4f5ffa6eaed602b1f42390962ab1ed28f17bf5b3d1e341b286fba25a7ca5737