[INFO] fetching crate scribe 0.7.2...
[INFO] extracting crate scribe 0.7.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scribe/0.7.2
[INFO] extracting crate scribe 0.7.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/scribe/0.7.2
[INFO] validating manifest of scribe-0.7.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scribe-0.7.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scribe-0.7.2
[INFO] finished frobbing scribe-0.7.2
[INFO] frobbed toml for scribe-0.7.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scribe/0.7.2/Cargo.toml
[INFO] started frobbing scribe-0.7.2
[INFO] finished frobbing scribe-0.7.2
[INFO] frobbed toml for scribe-0.7.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/scribe/0.7.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking scribe-0.7.2 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scribe/0.7.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36068932fb62cf7e9877b9c7dc0210ed12d4c6819aa6374d3af04fd3f6ee15cf
[INFO] running `"docker" "start" "-a" "36068932fb62cf7e9877b9c7dc0210ed12d4c6819aa6374d3af04fd3f6ee15cf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking luthor v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.0.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]     Checking scribe v0.7.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/group.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     operations: Vec<Box<Operation>>,
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/group.rs:35:38
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/group.rs:49:42
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/buffer/operation/history.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |     previous: Vec<Box<Operation>>,
[INFO] [stderr]   |                       ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     next: Vec<Box<Operation>>,
[INFO] [stderr]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stderr]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/mod.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operations/insert.rs:73:38
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operations/delete.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/mod.rs:60:37
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Position)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/buffer/mod.rs:327:35
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/group.rs:15:25
[INFO] [stderr]    |
[INFO] [stderr] 15 |     operations: Vec<Box<Operation>>,
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/group.rs:35:38
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/group.rs:49:42
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/buffer/operation/history.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 |     previous: Vec<Box<Operation>>,
[INFO] [stderr]   |                       ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     next: Vec<Box<Operation>>,
[INFO] [stderr]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:38:46
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stderr]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/history.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operation/mod.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operations/insert.rs:73:38
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/operations/delete.rs:44:38
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/buffer/mod.rs:60:37
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Position)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/buffer/mod.rs:327:35
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/buffer_tokens.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     workspace.open_buffer(path);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.14s
[INFO] running `"docker" "inspect" "36068932fb62cf7e9877b9c7dc0210ed12d4c6819aa6374d3af04fd3f6ee15cf"`
[INFO] running `"docker" "rm" "-f" "36068932fb62cf7e9877b9c7dc0210ed12d4c6819aa6374d3af04fd3f6ee15cf"`
[INFO] [stdout] 36068932fb62cf7e9877b9c7dc0210ed12d4c6819aa6374d3af04fd3f6ee15cf