[INFO] crate strong_rc 0.1.4 is already in cache [INFO] testing strong_rc-0.1.4 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate strong_rc 0.1.4 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate strong_rc 0.1.4 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate strong_rc 0.1.4 [INFO] finished tweaking crates.io crate strong_rc 0.1.4 [INFO] tweaked toml for crates.io crate strong_rc 0.1.4 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2020-06-03" "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] 18d1be4f3bdac1b1dc068fdb998a76306cda985fe39100790d6f5314732b7d93 [INFO] running `"docker" "start" "-a" "18d1be4f3bdac1b1dc068fdb998a76306cda985fe39100790d6f5314732b7d93"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling strong_rc v0.1.4 (/opt/rustwide/workdir) [INFO] [stderr] error[E0432]: unresolved import `alloc::heap` [INFO] [stderr] --> src/lib.rs:128:5 [INFO] [stderr] | [INFO] [stderr] 128 | use alloc::heap; [INFO] [stderr] | ^^^^^^^^^^^ no `heap` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `std::ptr::Shared` [INFO] [stderr] --> src/lib.rs:139:22 [INFO] [stderr] | [INFO] [stderr] 139 | use std::ptr::{self, Shared}; [INFO] [stderr] | ^^^^^^ no `Shared` in `ptr` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:120:1 [INFO] [stderr] | [INFO] [stderr] 120 | #![feature(shared)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:121:1 [INFO] [stderr] | [INFO] [stderr] 121 | #![feature(process_abort)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:122:1 [INFO] [stderr] | [INFO] [stderr] 122 | #![feature(optin_builtin_traits)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:123:1 [INFO] [stderr] | [INFO] [stderr] 123 | #![feature(unsize, coerce_unsized)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:124:1 [INFO] [stderr] | [INFO] [stderr] 124 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:125:1 [INFO] [stderr] | [INFO] [stderr] 125 | #![feature(alloc, heap_api)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stderr] --> src/lib.rs:187:17 [INFO] [stderr] | [INFO] [stderr] 187 | impl !marker::Send for Rc {} [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #68318 for more information [INFO] [stderr] [INFO] [stderr] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now [INFO] [stderr] --> src/lib.rs:188:17 [INFO] [stderr] | [INFO] [stderr] 188 | impl !marker::Sync for Rc {} [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #68318 for more information [INFO] [stderr] [INFO] [stderr] error[E0374]: the trait `CoerceUnsized` may only be implemented for a coercion between structures with one field being coerced, none found [INFO] [stderr] --> src/lib.rs:190:1 [INFO] [stderr] | [INFO] [stderr] 190 | / impl CoerceUnsized> for Rc [INFO] [stderr] 191 | | where T: ?Sized + Unsize, [INFO] [stderr] 192 | | U: ?Sized {} [INFO] [stderr] | |__________________^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 11 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0374, E0432, E0554, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0374`. [INFO] [stderr] error: could not compile `strong_rc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "18d1be4f3bdac1b1dc068fdb998a76306cda985fe39100790d6f5314732b7d93"` [INFO] running `"docker" "rm" "-f" "18d1be4f3bdac1b1dc068fdb998a76306cda985fe39100790d6f5314732b7d93"` [INFO] [stdout] 18d1be4f3bdac1b1dc068fdb998a76306cda985fe39100790d6f5314732b7d93