[INFO] crate rspotify 0.6.0 is already in cache [INFO] checking rspotify-0.6.0 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] extracting crate rspotify 0.6.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate rspotify 0.6.0 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rspotify 0.6.0 [INFO] finished tweaking crates.io crate rspotify 0.6.0 [INFO] tweaked toml for crates.io crate rspotify 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate rspotify 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] be9bf34a52c90fb289fb8698b31295c6c57d08ffa27d62b4d0862a354dd8c39f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "be9bf34a52c90fb289fb8698b31295c6c57d08ffa27d62b4d0862a354dd8c39f"` [INFO] [stderr] Checking random v0.12.2 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking dotenv v0.13.0 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking reqwest v0.9.22 [INFO] [stderr] Checking rspotify v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/spotify/client.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | let mut builder = CLIENT [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/spotify/client.rs:140:17 [INFO] [stderr] | [INFO] [stderr] 140 | let mut builder = CLIENT [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] --> examples/start_playback.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let mut uris = vec!["spotify:track:4iV5W9uYEdYUVa79Axb7Rh".to_owned()]; [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] --> tests/test_with_oauth.rs:661:17 [INFO] [stderr] | [INFO] [stderr] 661 | let mut uris = vec!["spotify:track:4iV5W9uYEdYUVa79Axb7Rh".to_owned()]; [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] --> tests/test_with_oauth.rs:824:17 [INFO] [stderr] | [INFO] [stderr] 824 | let mut playlist_name = "A New Playlist-update"; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/user_playlist_change_detail.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let mut playlist_name = "A New Playlist-update"; [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] Finished dev [unoptimized + debuginfo] target(s) in 47.31s [INFO] running `"docker" "inspect" "be9bf34a52c90fb289fb8698b31295c6c57d08ffa27d62b4d0862a354dd8c39f"` [INFO] running `"docker" "rm" "-f" "be9bf34a52c90fb289fb8698b31295c6c57d08ffa27d62b4d0862a354dd8c39f"` [INFO] [stdout] be9bf34a52c90fb289fb8698b31295c6c57d08ffa27d62b4d0862a354dd8c39f