[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] testing plutolove/rust-datastructure against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplutolove%2Frust-datastructure" "/workspace/builds/worker-6/source"` [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 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 143a1a2b8d8fcc7323a1b65b0865c6747a904e10d565dd21991174b76740f69e [INFO] running `"docker" "start" "-a" "143a1a2b8d8fcc7323a1b65b0865c6747a904e10d565dd21991174b76740f69e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling 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] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_into_raw_non_null)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(dropck_eyepatch)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(ptr_internals)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(allocator_api)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #![feature(unique)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [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` 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` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `as_opaque` found for struct `std::ptr::NonNull` 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` [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors; 1 warning emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554, 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" "143a1a2b8d8fcc7323a1b65b0865c6747a904e10d565dd21991174b76740f69e"` [INFO] running `"docker" "rm" "-f" "143a1a2b8d8fcc7323a1b65b0865c6747a904e10d565dd21991174b76740f69e"` [INFO] [stdout] 143a1a2b8d8fcc7323a1b65b0865c6747a904e10d565dd21991174b76740f69e