[INFO] crate mappedheap 0.1.1 is already in cache
[INFO] testing mappedheap-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate mappedheap 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mappedheap 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 mappedheap 0.1.1
[INFO] finished tweaking crates.io crate mappedheap 0.1.1
[INFO] tweaked toml for crates.io crate mappedheap 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3106dc76ed73ea4b216373e7a70be3ca998f02120cbe8d1a556759f0a1994f4e
[INFO] running `"docker" "start" "-a" "3106dc76ed73ea4b216373e7a70be3ca998f02120cbe8d1a556759f0a1994f4e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lock-wrappers v0.1.2
[INFO] [stderr]    Compiling integer-atomics v1.0.2
[INFO] [stderr]    Compiling futex v0.1.3
[INFO] [stderr]    Compiling mappedheap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:231:14
[INFO] [stderr]     |
[INFO] [stderr] 231 |         Some(((fragment.addr + (id - fragment.offset) as usize * PAGESZ) as *mut [u8; PAGESZ]))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:115:33
[INFO] [stderr]     |
[INFO] [stderr] 115 |             resize_lock: Mutex::new(),
[INFO] [stderr]     |                                 ^^^ function or associated item not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:117:32
[INFO] [stderr]     |
[INFO] [stderr] 117 |             alloc_lock: Mutex::new(),
[INFO] [stderr]     |                                ^^^ function or associated item not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `acquire` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:273:28
[INFO] [stderr]     |
[INFO] [stderr] 273 |         header.resize_lock.acquire();
[INFO] [stderr]     |                            ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `release` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:276:28
[INFO] [stderr]     |
[INFO] [stderr] 276 |         header.resize_lock.release();
[INFO] [stderr]     |                            ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `acquire` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:294:34
[INFO] [stderr]     |
[INFO] [stderr] 294 |         self.header().alloc_lock.acquire();
[INFO] [stderr]     |                                  ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `release` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:331:34
[INFO] [stderr]     |
[INFO] [stderr] 331 |         self.header().alloc_lock.release();
[INFO] [stderr]     |                                  ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `acquire` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:364:27
[INFO] [stderr]     |
[INFO] [stderr] 364 |         header.alloc_lock.acquire();
[INFO] [stderr]     |                           ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `release` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:374:35
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 header.alloc_lock.release();
[INFO] [stderr]     |                                   ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `release` found for struct `futex::raw::Mutex` in the current scope
[INFO] [stderr]    --> src/lib.rs:384:27
[INFO] [stderr]     |
[INFO] [stderr] 384 |         header.alloc_lock.release();
[INFO] [stderr]     |                           ^^^^^^^ method not found in `futex::raw::Mutex`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `mappedheap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3106dc76ed73ea4b216373e7a70be3ca998f02120cbe8d1a556759f0a1994f4e"`
[INFO] running `"docker" "rm" "-f" "3106dc76ed73ea4b216373e7a70be3ca998f02120cbe8d1a556759f0a1994f4e"`
[INFO] [stdout] 3106dc76ed73ea4b216373e7a70be3ca998f02120cbe8d1a556759f0a1994f4e