[INFO] crate quill-delta 0.0.1 is already in cache
[INFO] checking quill-delta-0.0.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate quill-delta 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate quill-delta 0.0.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quill-delta 0.0.1
[INFO] finished tweaking crates.io crate quill-delta 0.0.1
[INFO] tweaked toml for crates.io crate quill-delta 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6afb299cea8b8a02c925fe6b3c606d88085858e8b1a725f444e3ed6b6a72306d
[INFO] running `"docker" "start" "-a" "6afb299cea8b8a02c925fe6b3c606d88085858e8b1a725f444e3ed6b6a72306d"`
[INFO] [stderr]     Checking quill-delta v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/lib.rs:40:46
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attributes`
[INFO] [stderr]   --> src/lib.rs:40:55
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]   --> src/lib.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]   --> src/lib.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attributes`
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/lib.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
[INFO] [stderr]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                    ----^^^^
[INFO] [stderr]    |                                    |
[INFO] [stderr]    |                                    help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:44:19
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn chop(mut self) {}
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/lib.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let op: DeltaOperation = serde_json::from_str(r#"{ "insert": "Hallo" }"#).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/lib.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let op: DeltaOperation = serde_json::from_str(r#"{ "retain": 10 }"#).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]    --> src/lib.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let op: DeltaOperation = serde_json::from_str(r#"{ "delete": 10 }"#).unwrap();
[INFO] [stderr]     |         ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/lib.rs:40:46
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attributes`
[INFO] [stderr]   --> src/lib.rs:40:55
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]   --> src/lib.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]   --> src/lib.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
[INFO] [stderr]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attributes`
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/lib.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
[INFO] [stderr]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:40:36
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn insert<S: Into<String>>(mut self, text: S, attributes: Attributes) -> Self {
[INFO] [stderr]    |                                    ----^^^^
[INFO] [stderr]    |                                    |
[INFO] [stderr]    |                                    help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:44:19
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn delete(mut self, length: usize) -> Self {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn retain(mut self, length: usize, attributes: Attributes) -> Self {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn push(mut self, op: DeltaOperation) -> Self {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn chop(mut self) {}
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "6afb299cea8b8a02c925fe6b3c606d88085858e8b1a725f444e3ed6b6a72306d"`
[INFO] running `"docker" "rm" "-f" "6afb299cea8b8a02c925fe6b3c606d88085858e8b1a725f444e3ed6b6a72306d"`
[INFO] [stdout] 6afb299cea8b8a02c925fe6b3c606d88085858e8b1a725f444e3ed6b6a72306d
