[INFO] crate rs_lockfree 0.1.1 is already in cache
[INFO] testing rs_lockfree-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rs_lockfree 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rs_lockfree 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rs_lockfree 0.1.1
[INFO] finished tweaking crates.io crate rs_lockfree 0.1.1
[INFO] tweaked toml for crates.io crate rs_lockfree 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6469c88513b539cdac2593040f888d52dac04e01c67c5e4196b905dbb8f6ef6b
[INFO] running `"docker" "start" "-a" "6469c88513b539cdac2593040f888d52dac04e01c67c5e4196b905dbb8f6ef6b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rs_lockfree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![feature(core_intrinsics)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![feature(raw)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hazard_pointer.rs:296:32
[INFO] [stderr]     |
[INFO] [stderr] 296 |             &mut *node as &mut HazardNodeT,
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn HazardNodeT`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hazard_pointer.rs:373:59
[INFO] [stderr]     |
[INFO] [stderr] 373 |         let obj = mem::transmute::<raw::TraitObject, &mut HazardNodeT>(trait_obj);
[INFO] [stderr]     |                                                           ^^^^^^^^^^^ help: use `dyn`: `dyn HazardNodeT`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hazard_pointer.rs:374:35
[INFO] [stderr]     |
[INFO] [stderr] 374 |         Box::from_raw(obj as *mut HazardNodeT);
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn HazardNodeT`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
[INFO] [stderr]    --> src/util.rs:98:35
[INFO] [stderr]     |
[INFO] [stderr] 98  |         intrinsics::atomic_xadd::<T>(dst, src)
[INFO] [stderr]     |                                   ^ the trait `std::marker::Copy` is not implemented for `T`
[INFO] [stderr]     |
[INFO] [stderr] help: consider restricting type parameter `T`
[INFO] [stderr]     |
[INFO] [stderr] 97  |     pub unsafe fn sync_fetch_and_add<T: std::marker::Copy>(dst: *mut T, src: T) -> T {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `rs_lockfree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6469c88513b539cdac2593040f888d52dac04e01c67c5e4196b905dbb8f6ef6b"`
[INFO] running `"docker" "rm" "-f" "6469c88513b539cdac2593040f888d52dac04e01c67c5e4196b905dbb8f6ef6b"`
[INFO] [stdout] 6469c88513b539cdac2593040f888d52dac04e01c67c5e4196b905dbb8f6ef6b