[INFO] updating cached repository https://github.com/plutolove/rust-datastructure
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d448b7dbb5e51719be8a79b161af29c949a64ce2
[INFO] checking plutolove/rust-datastructure against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplutolove%2Frust-datastructure" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plutolove/rust-datastructure on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/plutolove/rust-datastructure already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6175a5dd151254486a4d2a4eee3143bf22e45daa286ba6e7fc6d53cca15b8c76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6175a5dd151254486a4d2a4eee3143bf22e45daa286ba6e7fc6d53cca15b8c76"`
[INFO] [stderr]     Checking data-structure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/collections/vector.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::heap::{Alloc, Layout, Heap, oom};
[INFO] [stderr]   |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/collections/bitmap.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         ((self.bits[index] & (1 << subset)) != 0)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/collections/vector.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::heap::{Alloc, Layout, Heap, oom};
[INFO] [stderr]   |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/collections/bitmap.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         ((self.bits[index] & (1 << subset)) != 0)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_opaque` found for struct `std::ptr::NonNull<T>` in the current scope
[INFO] [stderr]   --> src/collections/vector.rs:35:69
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     let nptr = Heap.realloc(NonNull::from(self.ptr).as_opaque(), layout, cap * elem_size);
[INFO] [stderr]    |                                                                     ^^^^^^^^^ method not found in `std::ptr::NonNull<T>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_opaque` found for struct `std::ptr::NonNull<T>` in the current scope
[INFO] [stderr]   --> src/collections/vector.rs:63:62
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 unsafe {Heap.dealloc(NonNull::from(self.ptr).as_opaque(), layout);}
[INFO] [stderr]    |                                                              ^^^^^^^^^ method not found in `std::ptr::NonNull<T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[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[E0599]: no method named `as_opaque` found for struct `std::ptr::NonNull<T>` in the current scope
[INFO] [stderr]   --> src/collections/vector.rs:35:69
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     let nptr = Heap.realloc(NonNull::from(self.ptr).as_opaque(), layout, cap * elem_size);
[INFO] [stderr]    |                                                                     ^^^^^^^^^ method not found in `std::ptr::NonNull<T>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_opaque` found for struct `std::ptr::NonNull<T>` in the current scope
[INFO] [stderr]   --> src/collections/vector.rs:63:62
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 unsafe {Heap.dealloc(NonNull::from(self.ptr).as_opaque(), layout);}
[INFO] [stderr]    |                                                              ^^^^^^^^^ method not found in `std::ptr::NonNull<T>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `data-structure`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6175a5dd151254486a4d2a4eee3143bf22e45daa286ba6e7fc6d53cca15b8c76"`
[INFO] running `"docker" "rm" "-f" "6175a5dd151254486a4d2a4eee3143bf22e45daa286ba6e7fc6d53cca15b8c76"`
[INFO] [stdout] 6175a5dd151254486a4d2a4eee3143bf22e45daa286ba6e7fc6d53cca15b8c76