[INFO] crate hash_ord 0.1.10 is already in cache [INFO] testing hash_ord-0.1.10 against 1.45.2 for beta-1.46-1 [INFO] extracting crate hash_ord 0.1.10 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate hash_ord 0.1.10 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate hash_ord 0.1.10 [INFO] finished tweaking crates.io crate hash_ord 0.1.10 [INFO] tweaked toml for crates.io crate hash_ord 0.1.10 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b3b6b1d995a74704c9b68470cb50f2e20790f63905f9c521175d1b06d4e01079 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b3b6b1d995a74704c9b68470cb50f2e20790f63905f9c521175d1b06d4e01079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3b6b1d995a74704c9b68470cb50f2e20790f63905f9c521175d1b06d4e01079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3b6b1d995a74704c9b68470cb50f2e20790f63905f9c521175d1b06d4e01079", kill_on_drop: false }` [INFO] [stdout] b3b6b1d995a74704c9b68470cb50f2e20790f63905f9c521175d1b06d4e01079 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1548ac56b0d2fe63472b441e17ef5e5635a109a068780d2da19c98b6e2146c8d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1548ac56b0d2fe63472b441e17ef5e5635a109a068780d2da19c98b6e2146c8d", kill_on_drop: false }` [INFO] [stderr] Compiling hash_ord v0.1.10 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(libc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ord_map.rs:1780:34 [INFO] [stdout] | [INFO] [stdout] 1780 | fn next(&mut self) -> Option<(&'a K)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ord_map.rs:1815:34 [INFO] [stdout] | [INFO] [stdout] 1815 | fn next(&mut self) -> Option<(&'a V)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ord_map.rs:1850:34 [INFO] [stdout] | [INFO] [stdout] 1850 | fn next(&mut self) -> Option<(&'a mut V)> { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/hash_map.rs:204:34 [INFO] [stdout] | [INFO] [stdout] 204 | fn next(&mut self) -> Option<(&'a K)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/hash_map.rs:238:34 [INFO] [stdout] | [INFO] [stdout] 238 | fn next(&mut self) -> Option<(&'a V)> { [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/hash_map.rs:272:34 [INFO] [stdout] | [INFO] [stdout] 272 | fn next(&mut self) -> Option<(&'a mut V)> { [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/fastbin.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 27 | let mut fastbin = unsafe { mem::uninitialized::() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hash_ord`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "1548ac56b0d2fe63472b441e17ef5e5635a109a068780d2da19c98b6e2146c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1548ac56b0d2fe63472b441e17ef5e5635a109a068780d2da19c98b6e2146c8d", kill_on_drop: false }` [INFO] [stdout] 1548ac56b0d2fe63472b441e17ef5e5635a109a068780d2da19c98b6e2146c8d