[INFO] fetching crate crdt-richtext 0.1.1...
[INFO] checking crdt-richtext-0.1.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate crdt-richtext 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate crdt-richtext 0.1.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crdt-richtext 0.1.1
[INFO] finished tweaking crates.io crate crdt-richtext 0.1.1
[INFO] tweaked toml for crates.io crate crdt-richtext 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate crdt-richtext 0.1.1 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 5f4a03e8153a5439ad75f77b90848e6b60600e5ef46b2fe2246f6d244175f035
[INFO] running `Command { std: "docker" "start" "-a" "5f4a03e8153a5439ad75f77b90848e6b60600e5ef46b2fe2246f6d244175f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4a03e8153a5439ad75f77b90848e6b60600e5ef46b2fe2246f6d244175f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4a03e8153a5439ad75f77b90848e6b60600e5ef46b2fe2246f6d244175f035", kill_on_drop: false }`
[INFO] [stdout] 5f4a03e8153a5439ad75f77b90848e6b60600e5ef46b2fe2246f6d244175f035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb1b8218ac0e7442536c1db52631343fa2adbbbf0582ebbe2a7a62412e18ca7c
[INFO] running `Command { std: "docker" "start" "-a" "bb1b8218ac0e7442536c1db52631343fa2adbbbf0582ebbe2a7a62412e18ca7c", kill_on_drop: false }`
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[INFO] [stderr]     Checking crdt-richtext v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mergeable`
[INFO] [stdout]  --> src/rich_text/cursor.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rle::{HasLength, Mergeable},
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Annotation`
[INFO] [stdout]   --> src/rich_text/cursor.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{Annotation, Counter, OpID};
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeleteOp`, `OpContent`, `Op`
[INFO] [stdout]   --> src/rich_text/cursor.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     op::{DeleteOp, Op, OpContent},
[INFO] [stdout]    |          ^^^^^^^^  ^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/rich_text/cursor.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 if let Cursor::Insert(leaf) = start.value {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/rich_text.rs:406:17
[INFO] [stdout]     |
[INFO] [stdout] 406 |             let op = self
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/rich_text.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let op = self.store.insert_local(OpContent::new_ann(ann));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]    --> src/lib.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl RangeOp {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 164 |     fn id(&self) -> OpID {
[INFO] [stdout]     |        ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `difference` is never used
[INFO] [stdout]   --> src/legacy/range_map/tree_impl.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl AnchorSet {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn difference(&self, old: &AnchorSet, output: &mut CacheDiff) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_all_alive_ann` is never used
[INFO] [stdout]    --> src/legacy/range_map/tree_impl.rs:568:19
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl TreeRangeMap {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 568 |     pub(crate) fn get_all_alive_ann(&self) -> BTreeSet<Arc<Annotation>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> src/rich_text/encoding.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 337 | impl<T: Eq + Hash + Clone> VecMapping<T> {
[INFO] [stdout]     | ---------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn get(&self, idx: usize) -> &T {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_last` is never used
[INFO] [stdout]   --> src/rich_text/id_map.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<Value: Clone + std::fmt::Debug> IdMap<Value> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_last(&self, id: OpID) -> Option<RefMut<'_, Entry<Value>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `is_empty` are never used
[INFO] [stdout]    --> src/small_set.rs:123:19
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl SmallSetI32 {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub(crate) fn len(&self) -> usize {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(crate) fn is_empty(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/./automerge-paper.json.gz: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/automerge.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const RAW_DATA: &[u8; 901823] = include_bytes!("./automerge-paper.json.gz");
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/./automerge-paper.json.gz: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/automerge.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const RAW_DATA: &[u8; 901823] = include_bytes!("./automerge-paper.json.gz");
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read examples/../benches/automerge-paper.json.gz: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/bench.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 |     const RAW_DATA: &[u8; 901823] = include_bytes!("../benches/automerge-paper.json.gz");
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crdt-richtext` (bench "automerge") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crdt-richtext` (bench "rich-text") due to 2 previous errors
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> benches/bench.rs:126:14
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn bench(c: &mut Criterion) {}
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> benches/bench.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl PProfGuard {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 18 |     #[must_use]
[INFO] [stdout] 19 |     pub fn new(name: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]   --> benches/bench.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn a(n: u64) -> Annotation {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `real` is never used
[INFO] [stdout]   --> benches/bench.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn real(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crdt-richtext` (example "bench") due to 2 previous errors
[INFO] [stdout] warning: unused import: `Mergeable`
[INFO] [stdout]  --> src/rich_text/cursor.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rle::{HasLength, Mergeable},
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Annotation`
[INFO] [stdout]   --> src/rich_text/cursor.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{Annotation, Counter, OpID};
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeleteOp`, `OpContent`, `Op`
[INFO] [stdout]   --> src/rich_text/cursor.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     op::{DeleteOp, Op, OpContent},
[INFO] [stdout]    |          ^^^^^^^^  ^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/rich_text/cursor.rs:100:20
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 if let Cursor::Insert(leaf) = start.value {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/rich_text.rs:406:17
[INFO] [stdout]     |
[INFO] [stdout] 406 |             let op = self
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/rich_text.rs:549:13
[INFO] [stdout]     |
[INFO] [stdout] 549 |         let op = self.store.insert_local(OpContent::new_ann(ann));
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `id` is never used
[INFO] [stdout]    --> src/lib.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl RangeOp {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 164 |     fn id(&self) -> OpID {
[INFO] [stdout]     |        ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `difference` is never used
[INFO] [stdout]   --> src/legacy/range_map/tree_impl.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl AnchorSet {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn difference(&self, old: &AnchorSet, output: &mut CacheDiff) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_all_alive_ann` is never used
[INFO] [stdout]    --> src/legacy/range_map/tree_impl.rs:568:19
[INFO] [stdout]     |
[INFO] [stdout] 219 | impl TreeRangeMap {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 568 |     pub(crate) fn get_all_alive_ann(&self) -> BTreeSet<Arc<Annotation>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> src/rich_text/encoding.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 337 | impl<T: Eq + Hash + Clone> VecMapping<T> {
[INFO] [stdout]     | ---------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn get(&self, idx: usize) -> &T {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_last` is never used
[INFO] [stdout]   --> src/rich_text/id_map.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<Value: Clone + std::fmt::Debug> IdMap<Value> {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_last(&self, id: OpID) -> Option<RefMut<'_, Entry<Value>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/small_set.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 27  | impl SmallSetI32 {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(crate) fn is_empty(&self) -> bool {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb1b8218ac0e7442536c1db52631343fa2adbbbf0582ebbe2a7a62412e18ca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1b8218ac0e7442536c1db52631343fa2adbbbf0582ebbe2a7a62412e18ca7c", kill_on_drop: false }`
[INFO] [stdout] bb1b8218ac0e7442536c1db52631343fa2adbbbf0582ebbe2a7a62412e18ca7c
