[INFO] updating cached repository https://github.com/cmyr/ropediff
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e17b2dd8b095eeabf36a5514be99737c3cb9069a
[INFO] checking cmyr/ropediff against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmyr%2Fropediff" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmyr/ropediff on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cmyr/ropediff
[INFO] removed path dependency xi-rope from git repo https://github.com/cmyr/ropediff
[INFO] finished tweaking git repo https://github.com/cmyr/ropediff
[INFO] tweaked toml for git repo https://github.com/cmyr/ropediff written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/cmyr/ropediff already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (xi-rope) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (xi-rope) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c813ca7d92e4169dc9306b7658bebfc8e497a19cd072a36e14751d0fa983f8f
[INFO] running `"docker" "start" "-a" "6c813ca7d92e4169dc9306b7658bebfc8e497a19cd072a36e14751d0fa983f8f"`
[INFO] [stderr] warning: dependency (xi-rope) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking suffix v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking statrs v0.9.0
[INFO] [stderr]     Checking xi-rope v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking ropediff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read src/../src/interval.rs: No such file or directory (os error 2)
[INFO] [stderr]     --> src/diff_play.rs:1158:33
[INFO] [stderr]      |
[INFO] [stderr] 1158 |     static INTERVAL_STR: &str = include_str!("../src/interval.rs");
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/../src/breaks.rs: No such file or directory (os error 2)
[INFO] [stderr]     --> src/diff_play.rs:1159:31
[INFO] [stderr]      |
[INFO] [stderr] 1159 |     static BREAKS_STR: &str = include_str!("../src/breaks.rs");
[INFO] [stderr]      |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/main.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/final_improved.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/main.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/final_improved.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `xi_rope::Delta<xi_rope::RopeInfo>: serde::Serialize` is not satisfied
[INFO] [stderr]     --> src/main.rs:266:39
[INFO] [stderr]      |
[INFO] [stderr] 266  |     let value = serde_json::to_string(&delta).unwrap();
[INFO] [stderr]      |                                       ^^^^^^ the trait `serde::Serialize` is not implemented for `xi_rope::Delta<xi_rope::RopeInfo>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.51/src/ser.rs:2224:17
[INFO] [stderr]      |
[INFO] [stderr] 2224 |     T: ?Sized + Serialize,
[INFO] [stderr]      |                 --------- required by this bound in `serde_json::to_string`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `xi_rope::Delta<xi_rope::RopeInfo>: serde::Serialize` is not satisfied
[INFO] [stderr]     --> src/main.rs:266:39
[INFO] [stderr]      |
[INFO] [stderr] 266  |     let value = serde_json::to_string(&delta).unwrap();
[INFO] [stderr]      |                                       ^^^^^^ the trait `serde::Serialize` is not implemented for `xi_rope::Delta<xi_rope::RopeInfo>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.51/src/ser.rs:2224:17
[INFO] [stderr]      |
[INFO] [stderr] 2224 |     T: ?Sized + Serialize,
[INFO] [stderr]      |                 --------- required by this bound in `serde_json::to_string`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `xi_rope::Delta<xi_rope::RopeInfo>: serde::Serialize` is not satisfied
[INFO] [stderr]     --> src/main.rs:291:27
[INFO] [stderr]      |
[INFO] [stderr] 291  |     serde_json::to_string(&d).unwrap().len()
[INFO] [stderr]      |                           ^^ the trait `serde::Serialize` is not implemented for `xi_rope::Delta<xi_rope::RopeInfo>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.51/src/ser.rs:2224:17
[INFO] [stderr]      |
[INFO] [stderr] 2224 |     T: ?Sized + Serialize,
[INFO] [stderr]      |                 --------- required by this bound in `serde_json::to_string`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `xi_rope::Delta<xi_rope::RopeInfo>: serde::Serialize` is not satisfied
[INFO] [stderr]     --> src/main.rs:291:27
[INFO] [stderr]      |
[INFO] [stderr] 291  |     serde_json::to_string(&d).unwrap().len()
[INFO] [stderr]      |                           ^^ the trait `serde::Serialize` is not implemented for `xi_rope::Delta<xi_rope::RopeInfo>`
[INFO] [stderr]      | 
[INFO] [stderr]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.51/src/ser.rs:2224:17
[INFO] [stderr]      |
[INFO] [stderr] 2224 |     T: ?Sized + Serialize,
[INFO] [stderr]      |                 --------- required by this bound in `serde_json::to_string`
[INFO] [stderr] 
[INFO] [stderr] error[E0369]: binary operation `==` cannot be applied to type `xi_rope::tree::Node<xi_rope::RopeInfo>`
[INFO] [stderr]    --> src/diff_play.rs:968:9
[INFO] [stderr]     |
[INFO] [stderr] 968 |         assert_eq!(result, two);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         xi_rope::tree::Node<xi_rope::RopeInfo>
[INFO] [stderr]     |         xi_rope::tree::Node<xi_rope::RopeInfo>
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0369]: binary operation `==` cannot be applied to type `xi_rope::tree::Node<xi_rope::RopeInfo>`
[INFO] [stderr]    --> src/diff_play.rs:975:9
[INFO] [stderr]     |
[INFO] [stderr] 975 |         assert_eq!(result, two);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         xi_rope::tree::Node<xi_rope::RopeInfo>
[INFO] [stderr]     |         xi_rope::tree::Node<xi_rope::RopeInfo>
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `next_utf8_chunk_in_leaf` found for struct `xi_rope::Cursor<'_, xi_rope::RopeInfo>` in the current scope
[INFO] [stderr]     --> src/diff_play.rs:1028:36
[INFO] [stderr]      |
[INFO] [stderr] 1028 |                 chunks.push(cursor.next_utf8_chunk_in_leaf(*chunk_size));
[INFO] [stderr]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^ method not found in `xi_rope::Cursor<'_, xi_rope::RopeInfo>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `next_utf8_chunk_in_leaf` found for struct `xi_rope::Cursor<'_, xi_rope::RopeInfo>` in the current scope
[INFO] [stderr]     --> src/diff_play.rs:1041:28
[INFO] [stderr]      |
[INFO] [stderr] 1041 |         let slice = cursor.next_utf8_chunk_in_leaf(4);
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^^^^^^ method not found in `xi_rope::Cursor<'_, xi_rope::RopeInfo>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `next_utf8_chunk_in_leaf` found for struct `xi_rope::Cursor<'_, xi_rope::RopeInfo>` in the current scope
[INFO] [stderr]     --> src/diff_play.rs:1043:28
[INFO] [stderr]      |
[INFO] [stderr] 1043 |         let slice = cursor.next_utf8_chunk_in_leaf(8);
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^^^^^^ method not found in `xi_rope::Cursor<'_, xi_rope::RopeInfo>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `next_utf8_chunk_in_leaf` found for struct `xi_rope::Cursor<'_, xi_rope::RopeInfo>` in the current scope
[INFO] [stderr]     --> src/diff_play.rs:1045:28
[INFO] [stderr]      |
[INFO] [stderr] 1045 |         let slice = cursor.next_utf8_chunk_in_leaf(usize::max_value());
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^^^^^^ method not found in `xi_rope::Cursor<'_, xi_rope::RopeInfo>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `ropediff`.
[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: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0369, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `ropediff`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6c813ca7d92e4169dc9306b7658bebfc8e497a19cd072a36e14751d0fa983f8f"`
[INFO] running `"docker" "rm" "-f" "6c813ca7d92e4169dc9306b7658bebfc8e497a19cd072a36e14751d0fa983f8f"`
[INFO] [stdout] 6c813ca7d92e4169dc9306b7658bebfc8e497a19cd072a36e14751d0fa983f8f
