[INFO] crate alloc-compose 0.1.0 is already in cache
[INFO] checking alloc-compose-0.1.0 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate alloc-compose 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate alloc-compose 0.1.0 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate alloc-compose 0.1.0
[INFO] finished tweaking crates.io crate alloc-compose 0.1.0
[INFO] tweaked toml for crates.io crate alloc-compose 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9994be001a0d156002814ddacb8206df0eef1c76bb096e44cad0683baacdb620
[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" "9994be001a0d156002814ddacb8206df0eef1c76bb096e44cad0683baacdb620"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking alloc-wg v0.8.0
[INFO] [stderr] error[E0599]: no method named `dangling` found for struct `core::alloc::Layout` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc-wg-0.8.0/src/alloc.rs:345:44
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 Ok(MemoryBlock::new(layout.dangling(), layout))
[INFO] [stderr]     |                                            ^^^^^^^^ method not found in `core::alloc::Layout`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dangling` found for struct `core::alloc::Layout` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc-wg-0.8.0/src/alloc.rs:420:62
[INFO] [stderr]     |
[INFO] [stderr] 420 |                 let new_memory = MemoryBlock::new(new_layout.dangling(), new_layout);
[INFO] [stderr]     |                                                              ^^^^^^^^ method not found in `core::alloc::Layout`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'assoc_int_consts': recently added
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc-wg-0.8.0/src/raw_vec.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             usize::MAX
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #68490 <https://github.com/rust-lang/rust/issues/68490> for more information
[INFO] [stderr]     = help: add `#![feature(assoc_int_consts)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'assoc_int_consts': recently added
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc-wg-0.8.0/src/raw_vec.rs:566:36
[INFO] [stderr]     |
[INFO] [stderr] 566 |                     if elem_size > usize::MAX / 8 { 1 } else { 4 }
[INFO] [stderr]     |                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #68490 <https://github.com/rust-lang/rust/issues/68490> for more information
[INFO] [stderr]     = help: add `#![feature(assoc_int_consts)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'assoc_int_consts': recently added
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alloc-wg-0.8.0/src/raw_vec.rs:685:52
[INFO] [stderr]     |
[INFO] [stderr] 685 |     if mem::size_of::<usize>() < 8 && alloc_size > isize::MAX as usize {
[INFO] [stderr]     |                                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #68490 <https://github.com/rust-lang/rust/issues/68490> for more information
[INFO] [stderr]     = help: add `#![feature(assoc_int_consts)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `alloc-wg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9994be001a0d156002814ddacb8206df0eef1c76bb096e44cad0683baacdb620"`
[INFO] running `"docker" "rm" "-f" "9994be001a0d156002814ddacb8206df0eef1c76bb096e44cad0683baacdb620"`
[INFO] [stdout] 9994be001a0d156002814ddacb8206df0eef1c76bb096e44cad0683baacdb620