[INFO] fetching crate scribe 0.7.2...
[INFO] checking scribe-0.7.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate scribe 0.7.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate scribe 0.7.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fb81f340340ac4c0f169ecc2e91b45c9968cf22c4d0bb3818b80a309e564cc2
[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" "7fb81f340340ac4c0f169ecc2e91b45c9968cf22c4d0bb3818b80a309e564cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb81f340340ac4c0f169ecc2e91b45c9968cf22c4d0bb3818b80a309e564cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb81f340340ac4c0f169ecc2e91b45c9968cf22c4d0bb3818b80a309e564cc2", kill_on_drop: false }`
[INFO] [stdout] 7fb81f340340ac4c0f169ecc2e91b45c9968cf22c4d0bb3818b80a309e564cc2
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dbebf64b8052290eb5e56ddac0242246e8e08f18b1aab07639be9efbdd95e8f
[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" "6dbebf64b8052290eb5e56ddac0242246e8e08f18b1aab07639be9efbdd95e8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling plist v0.2.4
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unicode-segmentation v1.0.3
[INFO] [stderr]     Checking luthor v0.1.7
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling onig_sys v68.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking onig v3.2.2
[INFO] [stderr]     Checking syntect v2.1.0
[INFO] [stderr]     Checking scribe v0.7.2 (/opt/rustwide/workdir)
[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]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]   |                       ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Position)`
[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]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]   |                       ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                              ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[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]    |                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Position)`
[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]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Operation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> benches/buffer_tokens.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     workspace.open_buffer(path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.41s
[INFO] running `Command { std: "docker" "inspect" "6dbebf64b8052290eb5e56ddac0242246e8e08f18b1aab07639be9efbdd95e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbebf64b8052290eb5e56ddac0242246e8e08f18b1aab07639be9efbdd95e8f", kill_on_drop: false }`
[INFO] [stdout] 6dbebf64b8052290eb5e56ddac0242246e8e08f18b1aab07639be9efbdd95e8f
