Dec 05 08:38:22.888 INFO checking quill-delta-0.0.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 08:38:22.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 08:38:23.407 INFO [stdout] ffd3fec5fb150467e8dfba61dc68810e9e67009ce281483a53d5f7d2f63a21df
Dec 05 08:38:23.411 INFO running `"docker" "start" "-a" "ffd3fec5fb150467e8dfba61dc68810e9e67009ce281483a53d5f7d2f63a21df"`
Dec 05 08:38:24.814 INFO [stderr] usermod: no changes
Dec 05 08:38:24.955 INFO [stderr]     Checking quill-delta v0.0.1 (/source)
Dec 05 08:38:26.063 INFO [stderr] warning: unused variable: `text`
Dec 05 08:38:26.063 INFO [stderr]   --> src/lib.rs:40:46
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Dec 05 08:38:26.063 INFO [stderr]    |                                              ^^^^ help: consider using `_text` instead
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 08:38:26.063 INFO [stderr] 
Dec 05 08:38:26.063 INFO [stderr] warning: unused variable: `attributes`
Dec 05 08:38:26.063 INFO [stderr]   --> src/lib.rs:40:55
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Dec 05 08:38:26.063 INFO [stderr]    |                                                       ^^^^^^^^^^ help: consider using `_attributes` instead
Dec 05 08:38:26.063 INFO [stderr] 
Dec 05 08:38:26.063 INFO [stderr] warning: unused variable: `length`
Dec 05 08:38:26.063 INFO [stderr]   --> src/lib.rs:44:29
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Dec 05 08:38:26.063 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Dec 05 08:38:26.063 INFO [stderr] 
Dec 05 08:38:26.063 INFO [stderr] warning: unused variable: `length`
Dec 05 08:38:26.063 INFO [stderr]   --> src/lib.rs:48:29
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Dec 05 08:38:26.063 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Dec 05 08:38:26.063 INFO [stderr] 
Dec 05 08:38:26.063 INFO [stderr] warning: unused variable: `attributes`
Dec 05 08:38:26.063 INFO [stderr]   --> src/lib.rs:48:44
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Dec 05 08:38:26.063 INFO [stderr]    |                                            ^^^^^^^^^^ help: consider using `_attributes` instead
Dec 05 08:38:26.063 INFO [stderr] 
Dec 05 08:38:26.063 INFO [stderr] warning: unused variable: `op`
Dec 05 08:38:26.063 INFO [stderr]   --> src/lib.rs:52:27
Dec 05 08:38:26.063 INFO [stderr]    |
Dec 05 08:38:26.063 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Dec 05 08:38:26.063 INFO [stderr]    |                           ^^ help: consider using `_op` instead
Dec 05 08:38:26.063 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `op`
Dec 05 08:38:26.071 INFO [stderr]    --> src/lib.rs:181:9
Dec 05 08:38:26.071 INFO [stderr]     |
Dec 05 08:38:26.071 INFO [stderr] 181 |     let op: DeltaOperation = serde_json::from_str(r#"{ "insert": "Hallo" }"#).unwrap();
Dec 05 08:38:26.071 INFO [stderr]     |         ^^ help: consider using `_op` instead
Dec 05 08:38:26.071 INFO [stderr]     |
Dec 05 08:38:26.071 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `op`
Dec 05 08:38:26.071 INFO [stderr]    --> src/lib.rs:182:9
Dec 05 08:38:26.071 INFO [stderr]     |
Dec 05 08:38:26.071 INFO [stderr] 182 |     let op: DeltaOperation = serde_json::from_str(r#"{ "retain": 10 }"#).unwrap();
Dec 05 08:38:26.071 INFO [stderr]     |         ^^ help: consider using `_op` instead
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `op`
Dec 05 08:38:26.071 INFO [stderr]    --> src/lib.rs:183:9
Dec 05 08:38:26.071 INFO [stderr]     |
Dec 05 08:38:26.071 INFO [stderr] 183 |     let op: DeltaOperation = serde_json::from_str(r#"{ "delete": 10 }"#).unwrap();
Dec 05 08:38:26.071 INFO [stderr]     |         ^^ help: consider using `_op` instead
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `text`
Dec 05 08:38:26.071 INFO [stderr]   --> src/lib.rs:40:46
Dec 05 08:38:26.071 INFO [stderr]    |
Dec 05 08:38:26.071 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Dec 05 08:38:26.071 INFO [stderr]    |                                              ^^^^ help: consider using `_text` instead
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `attributes`
Dec 05 08:38:26.071 INFO [stderr]   --> src/lib.rs:40:55
Dec 05 08:38:26.071 INFO [stderr]    |
Dec 05 08:38:26.071 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Dec 05 08:38:26.071 INFO [stderr]    |                                                       ^^^^^^^^^^ help: consider using `_attributes` instead
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `length`
Dec 05 08:38:26.071 INFO [stderr]   --> src/lib.rs:44:29
Dec 05 08:38:26.071 INFO [stderr]    |
Dec 05 08:38:26.071 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Dec 05 08:38:26.071 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `length`
Dec 05 08:38:26.071 INFO [stderr]   --> src/lib.rs:48:29
Dec 05 08:38:26.071 INFO [stderr]    |
Dec 05 08:38:26.071 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Dec 05 08:38:26.071 INFO [stderr]    |                             ^^^^^^ help: consider using `_length` instead
Dec 05 08:38:26.071 INFO [stderr] 
Dec 05 08:38:26.071 INFO [stderr] warning: unused variable: `attributes`
Dec 05 08:38:26.071 INFO [stderr]   --> src/lib.rs:48:44
Dec 05 08:38:26.071 INFO [stderr]    |
Dec 05 08:38:26.071 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Dec 05 08:38:26.072 INFO [stderr]    |                                            ^^^^^^^^^^ help: consider using `_attributes` instead
Dec 05 08:38:26.072 INFO [stderr] 
Dec 05 08:38:26.072 INFO [stderr] warning: unused variable: `op`
Dec 05 08:38:26.072 INFO [stderr]   --> src/lib.rs:52:27
Dec 05 08:38:26.072 INFO [stderr]    |
Dec 05 08:38:26.072 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Dec 05 08:38:26.072 INFO [stderr]    |                           ^^ help: consider using `_op` instead
Dec 05 08:38:26.072 INFO [stderr] 
Dec 05 08:38:26.083 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.083 INFO [stderr]   --> src/lib.rs:40:36
Dec 05 08:38:26.083 INFO [stderr]    |
Dec 05 08:38:26.083 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Dec 05 08:38:26.083 INFO [stderr]    |                                    ----^^^^
Dec 05 08:38:26.083 INFO [stderr]    |                                    |
Dec 05 08:38:26.083 INFO [stderr]    |                                    help: remove this `mut`
Dec 05 08:38:26.083 INFO [stderr]    |
Dec 05 08:38:26.083 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 08:38:26.083 INFO [stderr] 
Dec 05 08:38:26.083 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.083 INFO [stderr]   --> src/lib.rs:44:19
Dec 05 08:38:26.083 INFO [stderr]    |
Dec 05 08:38:26.083 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Dec 05 08:38:26.083 INFO [stderr]    |                   ----^^^^
Dec 05 08:38:26.083 INFO [stderr]    |                   |
Dec 05 08:38:26.083 INFO [stderr]    |                   help: remove this `mut`
Dec 05 08:38:26.083 INFO [stderr] 
Dec 05 08:38:26.083 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.083 INFO [stderr]   --> src/lib.rs:48:19
Dec 05 08:38:26.083 INFO [stderr]    |
Dec 05 08:38:26.083 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Dec 05 08:38:26.083 INFO [stderr]    |                   ----^^^^
Dec 05 08:38:26.083 INFO [stderr]    |                   |
Dec 05 08:38:26.083 INFO [stderr]    |                   help: remove this `mut`
Dec 05 08:38:26.083 INFO [stderr] 
Dec 05 08:38:26.083 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.083 INFO [stderr]   --> src/lib.rs:52:17
Dec 05 08:38:26.083 INFO [stderr]    |
Dec 05 08:38:26.083 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Dec 05 08:38:26.083 INFO [stderr]    |                 ----^^^^
Dec 05 08:38:26.083 INFO [stderr]    |                 |
Dec 05 08:38:26.083 INFO [stderr]    |                 help: remove this `mut`
Dec 05 08:38:26.083 INFO [stderr] 
Dec 05 08:38:26.083 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.083 INFO [stderr]   --> src/lib.rs:56:17
Dec 05 08:38:26.083 INFO [stderr]    |
Dec 05 08:38:26.083 INFO [stderr] 56 |     pub fn chop(mut self) {}
Dec 05 08:38:26.083 INFO [stderr]    |                 ----^^^^
Dec 05 08:38:26.083 INFO [stderr]    |                 |
Dec 05 08:38:26.083 INFO [stderr]    |                 help: remove this `mut`
Dec 05 08:38:26.083 INFO [stderr] 
Dec 05 08:38:26.087 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.087 INFO [stderr]   --> src/lib.rs:40:36
Dec 05 08:38:26.087 INFO [stderr]    |
Dec 05 08:38:26.087 INFO [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
Dec 05 08:38:26.087 INFO [stderr]    |                                    ----^^^^
Dec 05 08:38:26.087 INFO [stderr]    |                                    |
Dec 05 08:38:26.087 INFO [stderr]    |                                    help: remove this `mut`
Dec 05 08:38:26.087 INFO [stderr]    |
Dec 05 08:38:26.087 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 08:38:26.087 INFO [stderr] 
Dec 05 08:38:26.087 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.087 INFO [stderr]   --> src/lib.rs:44:19
Dec 05 08:38:26.087 INFO [stderr]    |
Dec 05 08:38:26.087 INFO [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
Dec 05 08:38:26.087 INFO [stderr]    |                   ----^^^^
Dec 05 08:38:26.087 INFO [stderr]    |                   |
Dec 05 08:38:26.087 INFO [stderr]    |                   help: remove this `mut`
Dec 05 08:38:26.087 INFO [stderr] 
Dec 05 08:38:26.087 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.087 INFO [stderr]   --> src/lib.rs:48:19
Dec 05 08:38:26.087 INFO [stderr]    |
Dec 05 08:38:26.087 INFO [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
Dec 05 08:38:26.087 INFO [stderr]    |                   ----^^^^
Dec 05 08:38:26.087 INFO [stderr]    |                   |
Dec 05 08:38:26.087 INFO [stderr]    |                   help: remove this `mut`
Dec 05 08:38:26.087 INFO [stderr] 
Dec 05 08:38:26.095 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.095 INFO [stderr]   --> src/lib.rs:52:17
Dec 05 08:38:26.095 INFO [stderr]    |
Dec 05 08:38:26.095 INFO [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
Dec 05 08:38:26.095 INFO [stderr]    |                 ----^^^^
Dec 05 08:38:26.095 INFO [stderr]    |                 |
Dec 05 08:38:26.095 INFO [stderr]    |                 help: remove this `mut`
Dec 05 08:38:26.095 INFO [stderr] 
Dec 05 08:38:26.095 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:38:26.095 INFO [stderr]   --> src/lib.rs:56:17
Dec 05 08:38:26.095 INFO [stderr]    |
Dec 05 08:38:26.095 INFO [stderr] 56 |     pub fn chop(mut self) {}
Dec 05 08:38:26.095 INFO [stderr]    |                 ----^^^^
Dec 05 08:38:26.095 INFO [stderr]    |                 |
Dec 05 08:38:26.095 INFO [stderr]    |                 help: remove this `mut`
Dec 05 08:38:26.095 INFO [stderr] 
Dec 05 08:38:26.195 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Dec 05 08:38:26.195 INFO [stderr] su: No module specific data is present
Dec 05 08:38:27.176 INFO running `"docker" "inspect" "ffd3fec5fb150467e8dfba61dc68810e9e67009ce281483a53d5f7d2f63a21df"`
Dec 05 08:38:27.463 INFO running `"docker" "rm" "-f" "ffd3fec5fb150467e8dfba61dc68810e9e67009ce281483a53d5f7d2f63a21df"`
Dec 05 08:38:27.814 INFO [stdout] ffd3fec5fb150467e8dfba61dc68810e9e67009ce281483a53d5f7d2f63a21df