[INFO] fetching crate lapce-xi-rope 0.3.2...
[INFO] checking lapce-xi-rope-0.3.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate lapce-xi-rope 0.3.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lapce-xi-rope 0.3.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lapce-xi-rope 0.3.2
[INFO] finished tweaking crates.io crate lapce-xi-rope 0.3.2
[INFO] tweaked toml for crates.io crate lapce-xi-rope 0.3.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate lapce-xi-rope 0.3.2 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc7c9e65421610930ccc479892522fa3e1eb981beaf4c62d2cd9bc442e7dc5e3
[INFO] running `Command { std: "docker" "start" "-a" "bc7c9e65421610930ccc479892522fa3e1eb981beaf4c62d2cd9bc442e7dc5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7c9e65421610930ccc479892522fa3e1eb981beaf4c62d2cd9bc442e7dc5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7c9e65421610930ccc479892522fa3e1eb981beaf4c62d2cd9bc442e7dc5e3", kill_on_drop: false }`
[INFO] [stdout] bc7c9e65421610930ccc479892522fa3e1eb981beaf4c62d2cd9bc442e7dc5e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f08a38c5f0fd6a4fed9921564de4995580a72126e8d7587db103fb8d02bcdf
[INFO] running `Command { std: "docker" "start" "-a" "29f08a38c5f0fd6a4fed9921564de4995580a72126e8d7587db103fb8d02bcdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling serde_test v1.0.163
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking lapce-xi-rope v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout]     |                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:121:38
[INFO] [stdout]     |
[INFO] [stdout] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout]     |                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/tree.rs:290:45
[INFO] [stdout]     |
[INFO] [stdout] 290 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout]     |                                             ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout] 290 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:226:24
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub struct LinesMetric(usize); // number of lines
[INFO] [stdout]     |            ----------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LinesMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub struct LinesMetric(()); // number of lines
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:275:33
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Utf16CodeUnitsMetric(usize);
[INFO] [stdout]     |            -------------------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Utf16CodeUnitsMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Utf16CodeUnitsMetric(());
[INFO] [stdout]     |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `xi_rope`
[INFO] [stdout]   --> examples/ropetoy.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate xi_rope;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `xi_rope`
[INFO] [stdout]   --> benches/edit.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate xi_rope;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `xi_rope`
[INFO] [stdout]   --> benches/cursors.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate xi_rope;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `xi_rope`
[INFO] [stdout]   --> benches/diff.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate xi_rope;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/../../core-lib/src/editor.rs: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/diff.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 | static EDITOR_STR: &str = include_str!("../../core-lib/src/editor.rs");
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read benches/../../core-lib/src/view.rs: No such file or directory (os error 2)
[INFO] [stdout]   --> benches/diff.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 | static VIEW_STR: &str = include_str!("../../core-lib/src/view.rs");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lapce-xi-rope` (example "ropetoy") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Cursor`
[INFO] [stdout]   --> benches/cursors.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut cursor = Cursor::new(&text, 0);
[INFO] [stdout]    |                      ^^^^^^ use of undeclared type `Cursor`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 19 + use lapce_xi_rope::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 19 + use std::collections::btree_map::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 19 + use std::collections::linked_list::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 19 + use std::io::Cursor;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lapce-xi-rope` (bench "edit") due to 2 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lapce-xi-rope` (bench "cursors") due to 3 previous errors
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lapce-xi-rope` (bench "diff") due to 4 previous errors
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/find.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] 344 |     use crate::rope::Rope;
[INFO] [stdout] 345 |     use crate::tree::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:120:35
[INFO] [stdout]     |
[INFO] [stdout] 120 |             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout]     |                                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -             CountMatcher::Zero => (seg.count == 0),
[INFO] [stdout] 120 +             CountMatcher::Zero => seg.count == 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/multiset.rs:121:38
[INFO] [stdout]     |
[INFO] [stdout] 121 |             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout]     |                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -             CountMatcher::NonZero => (seg.count != 0),
[INFO] [stdout] 121 +             CountMatcher::NonZero => seg.count != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/tree.rs:290:45
[INFO] [stdout]     |
[INFO] [stdout] 290 |             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout]     |                                             ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -             NodeVal::Internal(ref nodes) => (nodes.len() >= MIN_CHILDREN),
[INFO] [stdout] 290 +             NodeVal::Internal(ref nodes) => nodes.len() >= MIN_CHILDREN,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:226:24
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub struct LinesMetric(usize); // number of lines
[INFO] [stdout]     |            ----------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LinesMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub struct LinesMetric(()); // number of lines
[INFO] [stdout]     |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/rope.rs:275:33
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Utf16CodeUnitsMetric(usize);
[INFO] [stdout]     |            -------------------- ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Utf16CodeUnitsMetric` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct Utf16CodeUnitsMetric(());
[INFO] [stdout]     |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29f08a38c5f0fd6a4fed9921564de4995580a72126e8d7587db103fb8d02bcdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f08a38c5f0fd6a4fed9921564de4995580a72126e8d7587db103fb8d02bcdf", kill_on_drop: false }`
[INFO] [stdout] 29f08a38c5f0fd6a4fed9921564de4995580a72126e8d7587db103fb8d02bcdf
