[INFO] fetching crate xi-rope 0.3.0...
[INFO] checking xi-rope-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate xi-rope 0.3.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate xi-rope 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xi-rope 0.3.0
[INFO] finished tweaking crates.io crate xi-rope 0.3.0
[INFO] tweaked toml for crates.io crate xi-rope 0.3.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b69218335b7330866cdec81403dd14dac4f454707a9bf4ded11675e14b51a28a
[INFO] running `Command { std: "docker" "start" "-a" "b69218335b7330866cdec81403dd14dac4f454707a9bf4ded11675e14b51a28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b69218335b7330866cdec81403dd14dac4f454707a9bf4ded11675e14b51a28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69218335b7330866cdec81403dd14dac4f454707a9bf4ded11675e14b51a28a", kill_on_drop: false }`
[INFO] [stdout] b69218335b7330866cdec81403dd14dac4f454707a9bf4ded11675e14b51a28a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fabbe9db3ff9542d78b0672e2382fadf5328d9ef9f5a4fba5d5a104f81bff288
[INFO] running `Command { std: "docker" "start" "-a" "fabbe9db3ff9542d78b0672e2382fadf5328d9ef9f5a4fba5d5a104f81bff288", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking xi-rope v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:658:52
[INFO] [stdout]     |
[INFO] [stdout] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:695:52
[INFO] [stdout]     |
[INFO] [stdout] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_test v1.0.130
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> benches/edit.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Rope::from(&text);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xi-rope` due to 3 previous errors
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> benches/edit.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         Rope::from(&text);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:658:52
[INFO] [stdout]     |
[INFO] [stdout] 658 |     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -     pub fn prev<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 658 +     pub fn prev<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/tree.rs:695:52
[INFO] [stdout]     |
[INFO] [stdout] 695 |     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout]     |                                                    ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 695 -     pub fn next<M: Metric<N>>(&mut self) -> Option<(usize)> {
[INFO] [stdout] 695 +     pub fn next<M: Metric<N>>(&mut self) -> Option<usize> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fabbe9db3ff9542d78b0672e2382fadf5328d9ef9f5a4fba5d5a104f81bff288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabbe9db3ff9542d78b0672e2382fadf5328d9ef9f5a4fba5d5a104f81bff288", kill_on_drop: false }`
[INFO] [stdout] fabbe9db3ff9542d78b0672e2382fadf5328d9ef9f5a4fba5d5a104f81bff288