[INFO] fetching crate slotmap-fork-otter 1.0.2...
[INFO] checking slotmap-fork-otter-1.0.2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate slotmap-fork-otter 1.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate slotmap-fork-otter 1.0.2 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slotmap-fork-otter 1.0.2
[INFO] finished tweaking crates.io crate slotmap-fork-otter 1.0.2
[INFO] tweaked toml for crates.io crate slotmap-fork-otter 1.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate slotmap-fork-otter 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 591d57a535a77cdf938817a0afe7c74f98bd598c4c0de6020c6d739711d01e2c
[INFO] running `Command { std: "docker" "start" "-a" "591d57a535a77cdf938817a0afe7c74f98bd598c4c0de6020c6d739711d01e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591d57a535a77cdf938817a0afe7c74f98bd598c4c0de6020c6d739711d01e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591d57a535a77cdf938817a0afe7c74f98bd598c4c0de6020c6d739711d01e2c", kill_on_drop: false }`
[INFO] [stdout] 591d57a535a77cdf938817a0afe7c74f98bd598c4c0de6020c6d739711d01e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32112d08a95860094eb3c8718173f02aea0e1f84eb2a2d1e47181f5e74f52521
[INFO] running `Command { std: "docker" "start" "-a" "32112d08a95860094eb3c8718173f02aea0e1f84eb2a2d1e47181f5e74f52521", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] error[E0432]: unresolved import `slotmap`
[INFO] [stdout]  --> examples/rand_meld_heap.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use slotmap::{new_key_type, Key, SlotMap};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `slotmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `slotmap`
[INFO] [stdout]  --> examples/doubly_linked_list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use slotmap::{new_key_type, Key, SlotMap};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `slotmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     prev: ListKey,
[INFO] [stdout]    |           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     next: ListKey,
[INFO] [stdout]    |           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     sm: SlotMap<ListKey, Node<T>>,
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct List<T, ListKey> {
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     head: ListKey,
[INFO] [stdout]    |           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     tail: ListKey,
[INFO] [stdout]    |           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn push_head(&mut self, value: T) -> ListKey {
[INFO] [stdout]    |                                              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn push_tail(&mut self, value: T) -> ListKey {
[INFO] [stdout]    |                                              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:81:35
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn remove(&mut self, key: ListKey) -> Option<T> {
[INFO] [stdout]    |                                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]   --> examples/doubly_linked_list.rs:99:27
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn head(&self) -> ListKey {
[INFO] [stdout]    |                           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]    --> examples/doubly_linked_list.rs:103:27
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn tail(&self) -> ListKey {
[INFO] [stdout]     |                           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]    --> examples/doubly_linked_list.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn get(&self, key: ListKey) -> Option<&T> {
[INFO] [stdout]     |                            ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ListKey` in this scope
[INFO] [stdout]    --> examples/doubly_linked_list.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn get_mut(&mut self, key: ListKey) -> Option<&mut T> {
[INFO] [stdout]     |                                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeHandle(HeapKey);
[INFO] [stdout]    |                   ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeHandle(HeapKey);
[INFO] [stdout]    |                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NodeHandle<HeapKey>(HeapKey);
[INFO] [stdout]    |                  +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     children: [HeapKey; 2],
[INFO] [stdout]    |                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     parent: HeapKey,
[INFO] [stdout]    |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |     sm: SlotMap<HeapKey, Node<T>>,
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct RandMeldHeap<T: Ord, HeapKey> {
[INFO] [stdout]    |                           +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |     root: HeapKey,
[INFO] [stdout]    |           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]   --> examples/rand_meld_heap.rs:85:37
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn unlink_node(&mut self, node: HeapKey) {
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]    --> examples/rand_meld_heap.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn meld(&mut self, mut a: HeapKey, mut b: HeapKey) -> HeapKey {
[INFO] [stdout]     |                               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]    --> examples/rand_meld_heap.rs:107:47
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn meld(&mut self, mut a: HeapKey, mut b: HeapKey) -> HeapKey {
[INFO] [stdout]     |                                               ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeapKey` in this scope
[INFO] [stdout]    --> examples/rand_meld_heap.rs:107:59
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn meld(&mut self, mut a: HeapKey, mut b: HeapKey) -> HeapKey {
[INFO] [stdout]     |                                                           ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ListKey`
[INFO] [stdout]   --> examples/doubly_linked_list.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |             head: ListKey::null(),
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `ListKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ListKey`
[INFO] [stdout]   --> examples/doubly_linked_list.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |             tail: ListKey::null(),
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `ListKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ListKey`
[INFO] [stdout]   --> examples/doubly_linked_list.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 |             prev: ListKey::null(),
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `ListKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ListKey`
[INFO] [stdout]   --> examples/doubly_linked_list.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             next: ListKey::null(),
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `ListKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |             root: HeapKey::null(),
[INFO] [stdout]    |                   ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |             children: [HeapKey::null(), HeapKey::null()],
[INFO] [stdout]    |                        ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 |             children: [HeapKey::null(), HeapKey::null()],
[INFO] [stdout]    |                                         ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |             parent: HeapKey::null(),
[INFO] [stdout]    |                     ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 new_root.parent = HeapKey::null();
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |             children: [HeapKey::null(), HeapKey::null()],
[INFO] [stdout]    |                        ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |             children: [HeapKey::null(), HeapKey::null()],
[INFO] [stdout]    |                                         ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HeapKey`
[INFO] [stdout]   --> examples/rand_meld_heap.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |             parent: HeapKey::null(),
[INFO] [stdout]    |                     ^^^^^^^ use of undeclared type `HeapKey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slotmap-fork-otter` (example "doubly_linked_list") due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slotmap-fork-otter` (example "rand_meld_heap") due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "32112d08a95860094eb3c8718173f02aea0e1f84eb2a2d1e47181f5e74f52521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32112d08a95860094eb3c8718173f02aea0e1f84eb2a2d1e47181f5e74f52521", kill_on_drop: false }`
[INFO] [stdout] 32112d08a95860094eb3c8718173f02aea0e1f84eb2a2d1e47181f5e74f52521