Nov 28 20:07:29.497 INFO checking quill-delta-0.0.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 20:07:29.497 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 20:07:30.054 INFO [stdout] d0254d4205e544ef57c92097ffc4d37fa2f2f8c389d50f87aba492ac5f6fc10e
Nov 28 20:07:30.056 INFO running `"docker" "start" "-a" "d0254d4205e544ef57c92097ffc4d37fa2f2f8c389d50f87aba492ac5f6fc10e"`
Nov 28 20:07:31.586 INFO [stderr] usermod: no changes
Nov 28 20:07:31.696 INFO [stderr]     Checking quill-delta v0.0.1 (/source)
Nov 28 20:07:33.345 INFO [stderr] warning: unused variable: `text`
Nov 28 20:07:33.345 INFO [stderr]   --> src/lib.rs:40:46
Nov 28 20:07:33.345 INFO [stderr]    |
Nov 28 20:07:33.346 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Nov 28 20:07:33.346 INFO [stderr]    |                                              ^^^^ help: consider using `_text` instead
Nov 28 20:07:33.346 INFO [stderr]    |
Nov 28 20:07:33.346 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 20:07:33.347 INFO [stderr] 
Nov 28 20:07:33.348 INFO [stderr] warning: unused variable: `attributes`
Nov 28 20:07:33.348 INFO [stderr]   --> src/lib.rs:40:55
Nov 28 20:07:33.348 INFO [stderr]    |
Nov 28 20:07:33.348 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Nov 28 20:07:33.348 INFO [stderr]    |                                                       ^^^^^^^^^^ help: consider using `_attributes` instead
Nov 28 20:07:33.348 INFO [stderr] 
Nov 28 20:07:33.348 INFO [stderr] warning: unused variable: `length`
Nov 28 20:07:33.348 INFO [stderr]   --> src/lib.rs:44:29
Nov 28 20:07:33.348 INFO [stderr]    |
Nov 28 20:07:33.348 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Nov 28 20:07:33.348 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Nov 28 20:07:33.348 INFO [stderr] 
Nov 28 20:07:33.348 INFO [stderr] warning: unused variable: `length`
Nov 28 20:07:33.348 INFO [stderr]   --> src/lib.rs:48:29
Nov 28 20:07:33.348 INFO [stderr]    |
Nov 28 20:07:33.348 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Nov 28 20:07:33.349 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Nov 28 20:07:33.349 INFO [stderr] 
Nov 28 20:07:33.349 INFO [stderr] warning: unused variable: `attributes`
Nov 28 20:07:33.349 INFO [stderr]   --> src/lib.rs:48:44
Nov 28 20:07:33.349 INFO [stderr]    |
Nov 28 20:07:33.349 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Nov 28 20:07:33.349 INFO [stderr]    |                                            ^^^^^^^^^^ help: consider using `_attributes` instead
Nov 28 20:07:33.349 INFO [stderr] 
Nov 28 20:07:33.349 INFO [stderr] warning: unused variable: `op`
Nov 28 20:07:33.349 INFO [stderr]   --> src/lib.rs:52:27
Nov 28 20:07:33.349 INFO [stderr]    |
Nov 28 20:07:33.349 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Nov 28 20:07:33.349 INFO [stderr]    |                           ^^ help: consider using `_op` instead
Nov 28 20:07:33.349 INFO [stderr] 
Nov 28 20:07:33.388 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.388 INFO [stderr]   --> src/lib.rs:40:36
Nov 28 20:07:33.388 INFO [stderr]    |
Nov 28 20:07:33.388 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Nov 28 20:07:33.388 INFO [stderr]    |                                    ----^^^^
Nov 28 20:07:33.388 INFO [stderr]    |                                    |
Nov 28 20:07:33.388 INFO [stderr]    |                                    help: remove this `mut`
Nov 28 20:07:33.388 INFO [stderr]    |
Nov 28 20:07:33.388 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 20:07:33.388 INFO [stderr] 
Nov 28 20:07:33.388 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.388 INFO [stderr]   --> src/lib.rs:44:19
Nov 28 20:07:33.389 INFO [stderr]    |
Nov 28 20:07:33.389 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Nov 28 20:07:33.389 INFO [stderr]    |                   ----^^^^
Nov 28 20:07:33.389 INFO [stderr]    |                   |
Nov 28 20:07:33.389 INFO [stderr]    |                   help: remove this `mut`
Nov 28 20:07:33.389 INFO [stderr] 
Nov 28 20:07:33.389 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.389 INFO [stderr]   --> src/lib.rs:48:19
Nov 28 20:07:33.389 INFO [stderr]    |
Nov 28 20:07:33.389 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Nov 28 20:07:33.389 INFO [stderr]    |                   ----^^^^
Nov 28 20:07:33.389 INFO [stderr]    |                   |
Nov 28 20:07:33.389 INFO [stderr]    |                   help: remove this `mut`
Nov 28 20:07:33.389 INFO [stderr] 
Nov 28 20:07:33.392 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.392 INFO [stderr]   --> src/lib.rs:52:17
Nov 28 20:07:33.392 INFO [stderr]    |
Nov 28 20:07:33.392 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Nov 28 20:07:33.392 INFO [stderr]    |                 ----^^^^
Nov 28 20:07:33.392 INFO [stderr]    |                 |
Nov 28 20:07:33.392 INFO [stderr]    |                 help: remove this `mut`
Nov 28 20:07:33.392 INFO [stderr] 
Nov 28 20:07:33.392 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.392 INFO [stderr]   --> src/lib.rs:56:17
Nov 28 20:07:33.392 INFO [stderr]    |
Nov 28 20:07:33.392 INFO [stderr] 56 |     pub fn chop(mut self) {}
Nov 28 20:07:33.392 INFO [stderr]    |                 ----^^^^
Nov 28 20:07:33.392 INFO [stderr]    |                 |
Nov 28 20:07:33.392 INFO [stderr]    |                 help: remove this `mut`
Nov 28 20:07:33.392 INFO [stderr] 
Nov 28 20:07:33.605 INFO [stderr] warning: unused variable: `op`
Nov 28 20:07:33.605 INFO [stderr]    --> src/lib.rs:181:9
Nov 28 20:07:33.605 INFO [stderr]     |
Nov 28 20:07:33.605 INFO [stderr] 181 |     let op: DeltaOperation = serde_json::from_str(r#"{ "insert": "Hallo" }"#).unwrap();
Nov 28 20:07:33.605 INFO [stderr]     |         ^^ help: consider using `_op` instead
Nov 28 20:07:33.608 INFO [stderr]     |
Nov 28 20:07:33.608 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 20:07:33.608 INFO [stderr] 
Nov 28 20:07:33.608 INFO [stderr] warning: unused variable: `op`
Nov 28 20:07:33.608 INFO [stderr]    --> src/lib.rs:182:9
Nov 28 20:07:33.608 INFO [stderr]     |
Nov 28 20:07:33.608 INFO [stderr] 182 |     let op: DeltaOperation = serde_json::from_str(r#"{ "retain": 10 }"#).unwrap();
Nov 28 20:07:33.608 INFO [stderr]     |         ^^ help: consider using `_op` instead
Nov 28 20:07:33.608 INFO [stderr] 
Nov 28 20:07:33.608 INFO [stderr] warning: unused variable: `op`
Nov 28 20:07:33.608 INFO [stderr]    --> src/lib.rs:183:9
Nov 28 20:07:33.608 INFO [stderr]     |
Nov 28 20:07:33.608 INFO [stderr] 183 |     let op: DeltaOperation = serde_json::from_str(r#"{ "delete": 10 }"#).unwrap();
Nov 28 20:07:33.608 INFO [stderr]     |         ^^ help: consider using `_op` instead
Nov 28 20:07:33.608 INFO [stderr] 
Nov 28 20:07:33.608 INFO [stderr] warning: unused variable: `text`
Nov 28 20:07:33.608 INFO [stderr]   --> src/lib.rs:40:46
Nov 28 20:07:33.608 INFO [stderr]    |
Nov 28 20:07:33.608 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Nov 28 20:07:33.608 INFO [stderr]    |                                              ^^^^ help: consider using `_text` instead
Nov 28 20:07:33.608 INFO [stderr] 
Nov 28 20:07:33.608 INFO [stderr] warning: unused variable: `attributes`
Nov 28 20:07:33.608 INFO [stderr]   --> src/lib.rs:40:55
Nov 28 20:07:33.608 INFO [stderr]    |
Nov 28 20:07:33.608 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Nov 28 20:07:33.608 INFO [stderr]    |                                                       ^^^^^^^^^^ help: consider using `_attributes` instead
Nov 28 20:07:33.608 INFO [stderr] 
Nov 28 20:07:33.608 INFO [stderr] warning: unused variable: `length`
Nov 28 20:07:33.608 INFO [stderr]   --> src/lib.rs:44:29
Nov 28 20:07:33.608 INFO [stderr]    |
Nov 28 20:07:33.608 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Nov 28 20:07:33.608 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Nov 28 20:07:33.609 INFO [stderr] 
Nov 28 20:07:33.609 INFO [stderr] warning: unused variable: `length`
Nov 28 20:07:33.609 INFO [stderr]   --> src/lib.rs:48:29
Nov 28 20:07:33.609 INFO [stderr]    |
Nov 28 20:07:33.609 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Nov 28 20:07:33.609 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Nov 28 20:07:33.609 INFO [stderr] 
Nov 28 20:07:33.609 INFO [stderr] warning: unused variable: `attributes`
Nov 28 20:07:33.609 INFO [stderr]   --> src/lib.rs:48:44
Nov 28 20:07:33.609 INFO [stderr]    |
Nov 28 20:07:33.609 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Nov 28 20:07:33.609 INFO [stderr]    |                                            ^^^^^^^^^^ help: consider using `_attributes` instead
Nov 28 20:07:33.609 INFO [stderr] 
Nov 28 20:07:33.609 INFO [stderr] warning: unused variable: `op`
Nov 28 20:07:33.609 INFO [stderr]   --> src/lib.rs:52:27
Nov 28 20:07:33.609 INFO [stderr]    |
Nov 28 20:07:33.609 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Nov 28 20:07:33.609 INFO [stderr]    |                           ^^ help: consider using `_op` instead
Nov 28 20:07:33.609 INFO [stderr] 
Nov 28 20:07:33.626 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.626 INFO [stderr]   --> src/lib.rs:40:36
Nov 28 20:07:33.626 INFO [stderr]    |
Nov 28 20:07:33.626 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Nov 28 20:07:33.626 INFO [stderr]    |                                    ----^^^^
Nov 28 20:07:33.627 INFO [stderr]    |                                    |
Nov 28 20:07:33.627 INFO [stderr]    |                                    help: remove this `mut`
Nov 28 20:07:33.627 INFO [stderr]    |
Nov 28 20:07:33.627 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 20:07:33.627 INFO [stderr] 
Nov 28 20:07:33.627 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.628 INFO [stderr]   --> src/lib.rs:44:19
Nov 28 20:07:33.628 INFO [stderr]    |
Nov 28 20:07:33.628 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Nov 28 20:07:33.628 INFO [stderr]    |                   ----^^^^
Nov 28 20:07:33.628 INFO [stderr]    |                   |
Nov 28 20:07:33.628 INFO [stderr]    |                   help: remove this `mut`
Nov 28 20:07:33.628 INFO [stderr] 
Nov 28 20:07:33.629 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.630 INFO [stderr]   --> src/lib.rs:48:19
Nov 28 20:07:33.630 INFO [stderr]    |
Nov 28 20:07:33.630 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Nov 28 20:07:33.630 INFO [stderr]    |                   ----^^^^
Nov 28 20:07:33.630 INFO [stderr]    |                   |
Nov 28 20:07:33.630 INFO [stderr]    |                   help: remove this `mut`
Nov 28 20:07:33.630 INFO [stderr] 
Nov 28 20:07:33.630 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.630 INFO [stderr]   --> src/lib.rs:52:17
Nov 28 20:07:33.630 INFO [stderr]    |
Nov 28 20:07:33.630 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Nov 28 20:07:33.630 INFO [stderr]    |                 ----^^^^
Nov 28 20:07:33.630 INFO [stderr]    |                 |
Nov 28 20:07:33.630 INFO [stderr]    |                 help: remove this `mut`
Nov 28 20:07:33.630 INFO [stderr] 
Nov 28 20:07:33.630 INFO [stderr] warning: variable does not need to be mutable
Nov 28 20:07:33.630 INFO [stderr]   --> src/lib.rs:56:17
Nov 28 20:07:33.630 INFO [stderr]    |
Nov 28 20:07:33.630 INFO [stderr] 56 |     pub fn chop(mut self) {}
Nov 28 20:07:33.630 INFO [stderr]    |                 ----^^^^
Nov 28 20:07:33.630 INFO [stderr]    |                 |
Nov 28 20:07:33.630 INFO [stderr]    |                 help: remove this `mut`
Nov 28 20:07:33.630 INFO [stderr] 
Nov 28 20:07:33.716 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Nov 28 20:07:33.721 INFO [stderr] su: No module specific data is present
Nov 28 20:07:34.328 INFO running `"docker" "inspect" "d0254d4205e544ef57c92097ffc4d37fa2f2f8c389d50f87aba492ac5f6fc10e"`
Nov 28 20:07:34.571 INFO running `"docker" "rm" "-f" "d0254d4205e544ef57c92097ffc4d37fa2f2f8c389d50f87aba492ac5f6fc10e"`
Nov 28 20:07:34.969 INFO [stdout] d0254d4205e544ef57c92097ffc4d37fa2f2f8c389d50f87aba492ac5f6fc10e