[INFO] fetching crate scribe 0.7.2...
[INFO] testing scribe-0.7.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate scribe 0.7.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate scribe 0.7.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scribe 0.7.2
[INFO] finished tweaking crates.io crate scribe 0.7.2
[INFO] tweaked toml for crates.io crate scribe 0.7.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8c4e75869720aa3dd6523da5f24e94858e510e0feb928c6ace063a04433d740
[INFO] running `Command { std: "docker" "start" "-a" "e8c4e75869720aa3dd6523da5f24e94858e510e0feb928c6ace063a04433d740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c4e75869720aa3dd6523da5f24e94858e510e0feb928c6ace063a04433d740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c4e75869720aa3dd6523da5f24e94858e510e0feb928c6ace063a04433d740", kill_on_drop: false }`
[INFO] [stdout] e8c4e75869720aa3dd6523da5f24e94858e510e0feb928c6ace063a04433d740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca0af1b17a74928ec626b39c8c211788f682a544a3407620f4344d0f901e776
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ca0af1b17a74928ec626b39c8c211788f682a544a3407620f4344d0f901e776", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling luthor v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.0.3
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling onig v3.2.2
[INFO] [stderr]    Compiling syntect v2.1.0
[INFO] [stderr]    Compiling scribe v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer/operation/mod.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn run(&mut self, &mut Buffer);
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer/operation/mod.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn reverse(&mut self, &mut Buffer);
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buffer/mod.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |             path: Some(try!(path.canonicalize())),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/workspace.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |             path: try!(path.canonicalize()),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/workspace.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let buffer = try!(Buffer::from_file(path));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     operations: Vec<Box<Operation>>,
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 -     operations: Vec<Box<Operation>>,
[INFO] [stdout] 15 +     operations: Vec<Box<dyn Operation>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buffer/operation/history.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     previous: Vec<Box<Operation>>,
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     previous: Vec<Box<Operation>>,
[INFO] [stdout] 9 +     previous: Vec<Box<dyn Operation>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     next: Vec<Box<Operation>>,
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     next: Vec<Box<Operation>>,
[INFO] [stdout] 10 +     next: Vec<Box<dyn Operation>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/mod.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 60 -     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stdout] 60 +     pub change_callback: Option<Box<dyn Fn(Position)>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/mod.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stdout] 19 +     fn clone_operation(&self) -> Box<dyn Operation>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 35 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout] 49 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout] 25 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout] 38 +     pub fn previous(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout] 51 +     pub fn next(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operations/insert.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 73 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operations/delete.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 44 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/buffer/mod.rs:327:35
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 327 -         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stdout] 327 +         let operation: Option<Box<dyn Operation>> = match self.operation_group.take() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.97s
[INFO] running `Command { std: "docker" "inspect" "4ca0af1b17a74928ec626b39c8c211788f682a544a3407620f4344d0f901e776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca0af1b17a74928ec626b39c8c211788f682a544a3407620f4344d0f901e776", kill_on_drop: false }`
[INFO] [stdout] 4ca0af1b17a74928ec626b39c8c211788f682a544a3407620f4344d0f901e776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea88dfb59662c9a79b2c867d7bb883ca0f90e564c7b83473f7baec7f09931b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ea88dfb59662c9a79b2c867d7bb883ca0f90e564c7b83473f7baec7f09931b8", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer/operation/mod.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn run(&mut self, &mut Buffer);
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer/operation/mod.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn reverse(&mut self, &mut Buffer);
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buffer/mod.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |             path: Some(try!(path.canonicalize())),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/workspace.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |             path: try!(path.canonicalize()),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/workspace.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let buffer = try!(Buffer::from_file(path));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     operations: Vec<Box<Operation>>,
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 -     operations: Vec<Box<Operation>>,
[INFO] [stdout] 15 +     operations: Vec<Box<dyn Operation>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buffer/operation/history.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     previous: Vec<Box<Operation>>,
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     previous: Vec<Box<Operation>>,
[INFO] [stdout] 9 +     previous: Vec<Box<dyn Operation>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     next: Vec<Box<Operation>>,
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     next: Vec<Box<Operation>>,
[INFO] [stdout] 10 +     next: Vec<Box<dyn Operation>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/mod.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 60 -     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stdout] 60 +     pub change_callback: Option<Box<dyn Fn(Position)>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/mod.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stdout] 19 +     fn clone_operation(&self) -> Box<dyn Operation>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 35 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout] 49 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scribe v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout] 25 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout] 38 +     pub fn previous(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout] 51 +     pub fn next(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operations/insert.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 73 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operations/delete.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 44 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/buffer/mod.rs:327:35
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 327 -         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stdout] 327 +         let operation: Option<Box<dyn Operation>> = match self.operation_group.take() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer/operation/mod.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn run(&mut self, &mut Buffer);
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/buffer/operation/mod.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn reverse(&mut self, &mut Buffer);
[INFO] [stdout]    |                           ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/buffer/mod.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |             path: Some(try!(path.canonicalize())),
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/workspace.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |             path: try!(path.canonicalize()),
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/workspace.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let buffer = try!(Buffer::from_file(path));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |     operations: Vec<Box<Operation>>,
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 -     operations: Vec<Box<Operation>>,
[INFO] [stdout] 15 +     operations: Vec<Box<dyn Operation>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buffer/operation/history.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     previous: Vec<Box<Operation>>,
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 -     previous: Vec<Box<Operation>>,
[INFO] [stdout] 9 +     previous: Vec<Box<dyn Operation>>,
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     next: Vec<Box<Operation>>,
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -     next: Vec<Box<Operation>>,
[INFO] [stdout] 10 +     next: Vec<Box<dyn Operation>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/mod.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 60 -     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stdout] 60 +     pub change_callback: Option<Box<dyn Fn(Position)>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/mod.rs:19:38
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 -     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stdout] 19 +     fn clone_operation(&self) -> Box<dyn Operation>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 35 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/group.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout] 49 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stdout] 25 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:38:46
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout]    |                                              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout] 38 +     pub fn previous(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operation/history.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout]    |                                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stdout] 51 +     pub fn next(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operations/insert.rs:73:38
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 73 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 73 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/buffer/operations/delete.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stdout] 44 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/buffer/mod.rs:327:35
[INFO] [stdout]     |
[INFO] [stdout] 327 |         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stdout]     |                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 327 -         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stdout] 327 +         let operation: Option<Box<dyn Operation>> = match self.operation_group.take() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.94s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/scribe-c36ca28200b5290c)
[INFO] running `Command { std: "docker" "inspect" "1ea88dfb59662c9a79b2c867d7bb883ca0f90e564c7b83473f7baec7f09931b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea88dfb59662c9a79b2c867d7bb883ca0f90e564c7b83473f7baec7f09931b8", kill_on_drop: false }`
[INFO] [stdout] 1ea88dfb59662c9a79b2c867d7bb883ca0f90e564c7b83473f7baec7f09931b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c0728a99cbdcec4fdf95b226f685af5ffed2af113f1e3a9775ece4ce76f86a3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c0728a99cbdcec4fdf95b226f685af5ffed2af113f1e3a9775ece4ce76f86a3", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/buffer/operation/mod.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn run(&mut self, &mut Buffer);
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/buffer/operation/mod.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn reverse(&mut self, &mut Buffer);
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/buffer/mod.rs:131:24
[INFO] [stderr]     |
[INFO] [stderr] 131 |             path: Some(try!(path.canonicalize())),
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/workspace.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 |             path: try!(path.canonicalize()),
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/workspace.rs:120:26
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let buffer = try!(Buffer::from_file(path));
[INFO] [stderr]     |                          ^^^
[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]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 15 -     operations: Vec<Box<Operation>>,
[INFO] [stderr] 15 +     operations: Vec<Box<dyn Operation>>,
[INFO] [stderr]    | 
[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]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 -     previous: Vec<Box<Operation>>,
[INFO] [stderr] 9 +     previous: Vec<Box<dyn Operation>>,
[INFO] [stderr]   | 
[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]    |                   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -     next: Vec<Box<Operation>>,
[INFO] [stderr] 10 +     next: Vec<Box<dyn Operation>>,
[INFO] [stderr]    | 
[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]    |                                     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 60 -     pub change_callback: Option<Box<Fn(Position)>>,
[INFO] [stderr] 60 +     pub change_callback: Option<Box<dyn Fn(Position)>>,
[INFO] [stderr]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 19 -     fn clone_operation(&self) -> Box<Operation>;
[INFO] [stderr] 19 +     fn clone_operation(&self) -> Box<dyn Operation>;
[INFO] [stderr]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr] 35 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stderr]    | 
[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]    |                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stderr] 49 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stderr]    | 
[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]    |                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     pub fn add(&mut self, operation: Box<Operation>) {
[INFO] [stderr] 25 +     pub fn add(&mut self, operation: Box<dyn Operation>) {
[INFO] [stderr]    | 
[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]    |                                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 -     pub fn previous(&mut self) -> Option<Box<Operation>> {
[INFO] [stderr] 38 +     pub fn previous(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stderr]    | 
[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]    |                                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 51 -     pub fn next(&mut self) -> Option<Box<Operation>> {
[INFO] [stderr] 51 +     pub fn next(&mut self) -> Option<Box<dyn Operation>> {
[INFO] [stderr]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 73 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr] 73 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stderr]    | 
[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]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 -     fn clone_operation(&self) -> Box<Operation> {
[INFO] [stderr] 44 +     fn clone_operation(&self) -> Box<dyn Operation> {
[INFO] [stderr]    | 
[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]     |                                   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 327 -         let operation: Option<Box<Operation>> = match self.operation_group.take() {
[INFO] [stderr] 327 +         let operation: Option<Box<dyn Operation>> = match self.operation_group.take() {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `scribe` (lib) generated 18 warnings
[INFO] [stderr] warning: `scribe` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scribe-c36ca28200b5290c)
[INFO] [stdout] 
[INFO] [stdout] running 103 tests
[INFO] [stdout] test buffer::cursor::tests::move_to_last_line_moves_to_end_of_last_line_if_offset_would_be_out_of_range ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_first_line_counts_graphemes_as_a_single_offset ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_first_line_moves_to_end_of_first_line_if_offset_would_be_out_of_range ... ok
[INFO] [stdout] test buffer::cursor::tests::move_up_counts_graphemes_as_a_single_offset ... ok
[INFO] [stdout] test buffer::cursor::tests::move_down_counts_graphemes_as_a_single_offset ... ok
[INFO] [stdout] test buffer::cursor::tests::move_left_does_nothing_if_at_the_start_of_line ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_last_line_counts_graphemes_as_a_single_offset ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_start_of_line_sets_offset_to_zero ... ok
[INFO] [stdout] test buffer::cursor::tests::move_up_persists_offset_across_shorter_lines ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_sets_persisted_offset ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_last_line_moves_last_line_when_it_is_a_trailing_newline ... ok
[INFO] [stdout] test buffer::distance::tests::of_str_works_with_a_single_line_of_data ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_last_line_moves_to_same_offset_on_last_line ... ok
[INFO] [stdout] test buffer::cursor::tests::move_up_does_nothing_if_at_the_start_of_line ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_end_of_line_sets_offset_the_line_length ... ok
[INFO] [stdout] test buffer::cursor::tests::move_down_goes_to_eol_if_offset_would_be_out_of_range ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_end_of_line_counts_graphemes_as_a_single_offset ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_at_the_end_works ... ok
[INFO] [stdout] test buffer::cursor::tests::move_up_goes_to_eol_if_offset_would_be_out_of_range ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::deleting_to_an_out_of_range_column_deletes_to_the_end_of_the_buffer ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_at_an_invalid_position_does_nothing ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_after_a_grapheme_cluster_works ... ok
[INFO] [stdout] test buffer::cursor::tests::move_down_persists_offset_across_shorter_lines ... ok
[INFO] [stdout] test buffer::distance::tests::of_str_works_with_a_trailing_newline ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::deleting_immediately_after_the_end_of_the_gap_widens_the_gap ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::in_bounds_considers_grapheme_clusters ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::deleting_after_a_grapheme_cluster_works ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::deleting_to_an_out_of_range_line_deletes_to_the_end_of_the_buffer ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::deleting_works ... ok
[INFO] [stdout] test buffer::cursor::tests::move_to_first_line_moves_to_same_offset_on_first_line ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_at_the_start_works ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_in_the_middle_works ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_then_deleting_at_the_start_works ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::move_gap_works ... ok
[INFO] [stdout] test buffer::operation::history::tests::history_is_at_mark_after_adding_and_reversing_an_operation ... ok
[INFO] [stdout] test buffer::operation::history::tests::history_is_at_mark_after_toggling_an_operation ... ok
[INFO] [stdout] test buffer::line_range::tests::new_swaps_start_and_end_when_end_precedes_start ... ok
[INFO] [stdout] test buffer::operation::group::tests::end_operation_group_drops_group_if_empty ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::read_does_not_include_gap_contents_when_gap_is_at_start_of_range ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::read_does_not_include_gap_contents_when_gap_is_in_middle_of_range ... ok
[INFO] [stdout] test buffer::operation::history::tests::history_is_not_at_mark_after_adding_an_operation ... ok
[INFO] [stdout] test buffer::operations::insert::tests::reverse_correctly_removes_line_ranges ... ok
[INFO] [stdout] test buffer::operation::history::tests::history_is_not_at_mark_after_replacing_an_operation ... ok
[INFO] [stdout] test buffer::operation::history::tests::marking_the_history_works_without_subsequent_method_calls ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::inserting_in_different_spots_twice_works ... ok
[INFO] [stdout] test buffer::operations::delete::tests::reverse_calls_change_callback_with_position ... ok
[INFO] [stdout] test buffer::operations::delete::tests::run_calls_change_callback_with_position ... ok
[INFO] [stdout] test buffer::position::tests::add_assign_works_with_zero_line_distance ... ok
[INFO] [stdout] test buffer::position::tests::compare_works_when_lines_and_offsets_are_equal ... ok
[INFO] [stdout] test buffer::position::tests::compare_works_when_lines_are_equal ... ok
[INFO] [stdout] test buffer::operations::delete::tests::run_and_reverse_remove_and_add_content_with_newlines_at_cursor_position ... ok
[INFO] [stdout] test buffer::position::tests::compare_works_when_lines_differ ... ok
[INFO] [stdout] test buffer::operations::insert::tests::run_calls_change_callback_with_position ... ok
[INFO] [stdout] test buffer::operations::delete::tests::run_and_reverse_remove_and_add_content_without_newlines_at_cursor_position ... ok
[INFO] [stdout] test buffer::operations::insert::tests::reverse_correctly_removes_multi_line_content_with_graphemes ... ok
[INFO] [stdout] test buffer::operations::insert::tests::reverse_correctly_removes_single_line_content_with_graphemes ... ok
[INFO] [stdout] test buffer::tests::delete_does_nothing_when_invoked_at_the_end_of_the_document ... ok
[INFO] [stdout] test buffer::operations::insert::tests::run_and_reverse_add_and_remove_content_without_newlines_at_cursor_position ... ok
[INFO] [stdout] test buffer::operations::insert::tests::reverse_removes_a_newline ... ok
[INFO] [stdout] test buffer::operations::insert::tests::run_and_reverse_add_and_remove_content_with_newlines_at_cursor_position ... ok
[INFO] [stdout] test buffer::tests::reload_calls_change_callback_with_zero_position ... ok
[INFO] [stdout] test buffer::range::tests::new_swaps_start_and_end_when_end_precedes_start ... ok
[INFO] [stdout] test buffer::tests::insert_is_undoable ... ok
[INFO] [stdout] test buffer::range::tests::new_does_not_swap_values_if_end_does_not_precede_start ... ok
[INFO] [stdout] test buffer::tests::search_does_not_panic_with_non_ascii_data ... ok
[INFO] [stdout] test buffer::tests::search_returns_empty_set_when_there_are_no_matches ... ok
[INFO] [stdout] test buffer::tests::correctly_called_operation_groups_are_undone_correctly ... ok
[INFO] [stdout] test buffer::gap_buffer::tests::reading_after_a_grapheme_cluster_works ... ok
[INFO] [stdout] test buffer::operation::history::tests::previous_and_next_return_the_correct_operations ... ok
[INFO] [stdout] test buffer::tests::non_terminated_operation_groups_are_undone_correctly ... ok
[INFO] [stdout] test buffer::tests::delete_is_undoable ... ok
[INFO] [stdout] test buffer::operation::group::tests::run_and_reverse_call_themselves_on_all_operations ... ok
[INFO] [stdout] test buffer::line_range::tests::new_does_not_swap_values_if_end_does_not_precede_start ... ok
[INFO] [stdout] test buffer::operation::history::tests::adding_a_new_operation_clears_redo_stack ... ok
[INFO] [stdout] test buffer::tests::delete_joins_lines_when_invoked_at_end_of_line ... ok
[INFO] [stdout] test buffer::tests::non_terminated_empty_operation_groups_are_dropped ... ok
[INFO] [stdout] test buffer::operations::insert::tests::reverse_calls_change_callback_with_position ... ok
[INFO] [stdout] test util::line_iterator::tests::next_produces_a_value_for_empty_data ... ok
[INFO] [stdout] test util::line_iterator::tests::next_includes_trailing_newlines ... ok
[INFO] [stdout] test util::line_iterator::tests::next_stops_at_end_of_data ... ok
[INFO] [stdout] test buffer::tests::reload_persists_id_and_syntax_definition ... ok
[INFO] [stdout] test workspace::tests::add_buffer_adds_and_selects_the_passed_buffer ... ok
[INFO] [stdout] test workspace::tests::current_buffer_returns_none_when_there_are_no_buffers ... ok
[INFO] [stdout] test buffer::token::token_iterator::tests::token_iterator_handles_content_without_trailing_newline ... ok
[INFO] [stdout] test workspace::tests::current_buffer_path_works_with_absolute_paths ... ok
[INFO] [stdout] test workspace::tests::add_buffer_populates_buffers_with_unique_id_values ... ok
[INFO] [stdout] test buffer::token::token_iterator::tests::token_iterator_returns_correct_tokens ... ok
[INFO] [stdout] test workspace::tests::add_buffer_inserts_the_new_buffer_after_the_current_buffer ... ok
[INFO] [stdout] test workspace::tests::current_buffer_returns_one_when_there_are_buffers ... ok
[INFO] [stdout] test workspace::tests::close_current_buffer_selects_the_previous_buffer ... ok
[INFO] [stdout] test workspace::tests::add_buffer_populates_buffers_with_unknown_extensions_using_plain_text_syntax ... ok
[INFO] [stdout] test workspace::tests::add_buffer_populates_buffers_without_paths_using_plain_text_syntax ... ok
[INFO] [stdout] test workspace::tests::close_current_buffer_does_nothing_when_none_are_open ... ok
[INFO] [stdout] test buffer::token::token_iterator::tests::token_iterator_handles_unicode_characters ... ok
[INFO] [stdout] test workspace::tests::close_current_buffer_selects_the_next_buffer_when_current_is_at_start ... ok
[INFO] [stdout] test workspace::tests::close_current_buffer_cleans_up_when_only_one_buffer_is_open ... ok
[INFO] [stdout] test workspace::tests::open_buffer_adds_and_selects_the_buffer_at_the_specified_path ... ok
[INFO] [stdout] test workspace::tests::next_buffer_when_three_are_open_selects_next_wrapping_to_first ... ok
[INFO] [stdout] test workspace::tests::next_buffer_does_nothing_when_no_buffers_are_open ... ok
[INFO] [stdout] test workspace::tests::open_buffer_selects_buffer_if_it_already_exists_in_workspace ... ok
[INFO] [stdout] test workspace::tests::previous_buffer_does_nothing_when_no_buffers_are_open ... ok
[INFO] [stdout] test workspace::tests::open_buffer_does_not_open_a_buffer_already_in_the_workspace ... ok
[INFO] [stdout] test workspace::tests::previous_buffer_when_three_are_open_selects_previous_wrapping_to_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 103 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.89s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scribe
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name scribe --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/onig_sys-9346a22374ed20e5/out --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-6b7d3b04112bb4f0.rlib --extern luthor=/opt/rustwide/target/debug/deps/libluthor-7973f778e0d984cd.rlib --extern scribe=/opt/rustwide/target/debug/deps/libscribe-8242727168db1c24.rlib --extern syntect=/opt/rustwide/target/debug/deps/libsyntect-cc726a8d4a984484.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-26aaf35f715328f0.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7c0728a99cbdcec4fdf95b226f685af5ffed2af113f1e3a9775ece4ce76f86a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0728a99cbdcec4fdf95b226f685af5ffed2af113f1e3a9775ece4ce76f86a3", kill_on_drop: false }`
[INFO] [stdout] 7c0728a99cbdcec4fdf95b226f685af5ffed2af113f1e3a9775ece4ce76f86a3