[INFO] fetching crate hash-table 0.2.4... [INFO] checking hash-table-0.2.4 against beta for pr-78714 [INFO] extracting crate hash-table 0.2.4 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate hash-table 0.2.4 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate hash-table 0.2.4 [INFO] finished tweaking crates.io crate hash-table 0.2.4 [INFO] tweaked toml for crates.io crate hash-table 0.2.4 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5d82fc8366599c7abb28a01c48463802393aab284d39eda8a0fd9aab89ffd1ba [INFO] running `Command { std: "docker" "start" "-a" "5d82fc8366599c7abb28a01c48463802393aab284d39eda8a0fd9aab89ffd1ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d82fc8366599c7abb28a01c48463802393aab284d39eda8a0fd9aab89ffd1ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d82fc8366599c7abb28a01c48463802393aab284d39eda8a0fd9aab89ffd1ba", kill_on_drop: false }` [INFO] [stdout] 5d82fc8366599c7abb28a01c48463802393aab284d39eda8a0fd9aab89ffd1ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02800d36a9553b40c06f5be94e54fdfdc4087b5876e1a4fbc68bb116635bd4e2 [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" "02800d36a9553b40c06f5be94e54fdfdc4087b5876e1a4fbc68bb116635bd4e2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hash-table v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(maybe_uninit_ref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(non_ascii_idents)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: The usage of Script Group `Greek` in this crate consists solely of mixed script confusables [INFO] [stdout] --> src/lib.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | φ: PhantomData, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mixed_script_confusables)]` on by default [INFO] [stdout] = note: The usage includes 'φ' (U+03C6). [INFO] [stdout] = note: Please recheck to make sure their usages are indeed what you want. [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:67:62 [INFO] [stdout] | [INFO] [stdout] 67 | if self.hashes[i] == h && unsafe { self.elems[i].get_ref().0.borrow() == k } { return Some(i); } [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:76:66 [INFO] [stdout] | [INFO] [stdout] 76 | self.find_ix(k).map(move |i| unsafe { (i, &self.elems[i].get_ref().0, &self.elems[i].get_ref().1) }) [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:76:94 [INFO] [stdout] | [INFO] [stdout] 76 | self.find_ix(k).map(move |i| unsafe { (i, &self.elems[i].get_ref().0, &self.elems[i].get_ref().1) }) [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:81:91 [INFO] [stdout] | [INFO] [stdout] 81 | self.find_ix(k).map(move |i| unsafe { let &mut (ref k, ref mut v) = self.elems[i].get_mut(); (i, k, v) }) [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:106:42 [INFO] [stdout] | [INFO] [stdout] 106 | ptr::write(self.elems[i].get_mut(), (k, f(None))); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:107:61 [INFO] [stdout] | [INFO] [stdout] 107 | let &mut (ref k, ref mut v) = self.elems[i].get_mut(); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:111:53 [INFO] [stdout] | [INFO] [stdout] 111 | if self.hashes[i] == h && self.elems[i].get_ref().0 == k { [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:113:50 [INFO] [stdout] | [INFO] [stdout] 113 | let x = ptr::read(&self.elems[i].get_ref().1); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:114:47 [INFO] [stdout] | [INFO] [stdout] 114 | ptr::write(&mut self.elems[i].get_mut().1, f(Some(x))); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:116:61 [INFO] [stdout] | [INFO] [stdout] 116 | let &mut (ref k, ref mut v) = self.elems[i].get_mut(); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:124:53 [INFO] [stdout] | [INFO] [stdout] 124 | mem::swap(&mut e, self.elems[i].get_mut()); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:127:69 [INFO] [stdout] | [INFO] [stdout] 127 | let &mut (ref k, ref mut v) = self.elems[i].get_mut(); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:157:50 [INFO] [stdout] | [INFO] [stdout] 157 | let (_, x) = ptr::read(self.elems[i].get_ref()); [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope [INFO] [stdout] --> src/lib.rs:319:99 [INFO] [stdout] | [INFO] [stdout] 319 | if self.hashes[i] != 0 && !is_dead(self.hashes[i]) { ptr::drop_in_place(self.elems[i].get_mut()); } [INFO] [stdout] | ^^^^^^^ method not found in `MaybeUninit<(K, T)>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 16 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hash-table` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "02800d36a9553b40c06f5be94e54fdfdc4087b5876e1a4fbc68bb116635bd4e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02800d36a9553b40c06f5be94e54fdfdc4087b5876e1a4fbc68bb116635bd4e2", kill_on_drop: false }` [INFO] [stdout] 02800d36a9553b40c06f5be94e54fdfdc4087b5876e1a4fbc68bb116635bd4e2