[INFO] fetching crate unix 0.6.10...
[INFO] checking unix-0.6.10 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate unix 0.6.10 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate unix 0.6.10 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unix 0.6.10
[INFO] finished tweaking crates.io crate unix 0.6.10
[INFO] tweaked toml for crates.io crate unix 0.6.10 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84296a3648b7ffc3f85c4ccb93ab6d81914e99b749ccb688f13b31b7c91af2ca
[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" "84296a3648b7ffc3f85c4ccb93ab6d81914e99b749ccb688f13b31b7c91af2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84296a3648b7ffc3f85c4ccb93ab6d81914e99b749ccb688f13b31b7c91af2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84296a3648b7ffc3f85c4ccb93ab6d81914e99b749ccb688f13b31b7c91af2ca", kill_on_drop: false }`
[INFO] [stdout] 84296a3648b7ffc3f85c4ccb93ab6d81914e99b749ccb688f13b31b7c91af2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 279b3dcfc185ddcfebe80acba56a385d05c8e4e37508dc0f4771f8ef30a25f68
[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" "279b3dcfc185ddcfebe80acba56a385d05c8e4e37508dc0f4771f8ef30a25f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling ptr v0.2.2
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling hash-table v0.2.4
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling containers v0.9.9
[INFO] [stderr]     Checking heap v0.1.0
[INFO] [stderr]     Checking idem v0.4.0
[INFO] [stderr]    Compiling i-o v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rel v0.2.0
[INFO] [stderr]     Checking libc-interface v0.1.1
[INFO] [stderr]     Checking utf v0.1.5
[INFO] [stderr]     Checking flags v0.1.4
[INFO] [stderr]     Checking system-call v0.1.2
[INFO] [stderr]     Checking idem v0.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking null-terminated v0.3.14
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking loca v0.7.2
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stdout] error[E0599]: no method named `get_ref` found for union `MaybeUninit<(K, T)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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] [stderr]     Checking default_allocator v0.3.0
[INFO] [stdout] error[E0599]: no method named `get_mut` found for union `MaybeUninit<(K, T)>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hash-table-0.2.4/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 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[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" "279b3dcfc185ddcfebe80acba56a385d05c8e4e37508dc0f4771f8ef30a25f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279b3dcfc185ddcfebe80acba56a385d05c8e4e37508dc0f4771f8ef30a25f68", kill_on_drop: false }`
[INFO] [stdout] 279b3dcfc185ddcfebe80acba56a385d05c8e4e37508dc0f4771f8ef30a25f68