[INFO] crate readableurl 0.1.0 is already in cache
[INFO] checking readableurl-0.1.0 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] extracting crate readableurl 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate readableurl 0.1.0 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate readableurl 0.1.0
[INFO] finished tweaking crates.io crate readableurl 0.1.0
[INFO] tweaked toml for crates.io crate readableurl 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 00d1f5d090d35d7bb5bcb6731b64ee30a90b778fc66ad938c7e4fd118304a362
[INFO] running `"docker" "start" "-a" "00d1f5d090d35d7bb5bcb6731b64ee30a90b778fc66ad938c7e4fd118304a362"`
[INFO] [stderr]     Checking readableurl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `camelcase`
[INFO] [stderr]  --> src/lib.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn create(amount: usize, camelcase: bool) -> String {
[INFO] [stderr]   |                              ^^^^^^^^^ help: consider prefixing with an underscore: `_camelcase`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camelcase`
[INFO] [stderr]  --> src/lib.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn create(amount: usize, camelcase: bool) -> String {
[INFO] [stderr]   |                              ^^^^^^^^^ help: consider prefixing with an underscore: `_camelcase`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut adjective = adjectives.choose(&mut rand::thread_rng()).unwrap();
[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:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut adjective = adjectives.choose(&mut rand::thread_rng()).unwrap();
[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:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut noun = nouns.choose(&mut rand::thread_rng()).unwrap();
[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:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut noun = nouns.choose(&mut rand::thread_rng()).unwrap();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "00d1f5d090d35d7bb5bcb6731b64ee30a90b778fc66ad938c7e4fd118304a362"`
[INFO] running `"docker" "rm" "-f" "00d1f5d090d35d7bb5bcb6731b64ee30a90b778fc66ad938c7e4fd118304a362"`
[INFO] [stdout] 00d1f5d090d35d7bb5bcb6731b64ee30a90b778fc66ad938c7e4fd118304a362