[INFO] updating cached repository https://github.com/samrayleung/rspotify
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3373cac29be3145d87a60de5b782c7327b861f6
[INFO] checking samrayleung/rspotify against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamrayleung%2Frspotify" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samrayleung/rspotify on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/samrayleung/rspotify
[INFO] finished tweaking git repo https://github.com/samrayleung/rspotify
[INFO] tweaked toml for git repo https://github.com/samrayleung/rspotify written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2717385d8b92dde622f588ec7c1de42341dc33b49158e7e12549c53285fc6e8d
[INFO] running `"docker" "start" "-a" "2717385d8b92dde622f588ec7c1de42341dc33b49158e7e12549c53285fc6e8d"`
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking rspotify v0.7.0 (/opt/rustwide/workdir)
[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] error[E0425]: cannot find value `albums_ids` in this scope
[INFO] [stderr]   --> examples/current_user_saved_albums_contains.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             albums_ids.push(track_id2);
[INFO] [stderr]    |             ^^^^^^^^^^ help: a local variable with a similar name exists: `album_ids`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `track_id2` in this scope
[INFO] [stderr]   --> examples/current_user_saved_albums_contains.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 |             albums_ids.push(track_id2);
[INFO] [stderr]    |                             ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `albums_ids` in this scope
[INFO] [stderr]   --> examples/current_user_saved_albums_contains.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             albums_ids.push(track_id1);
[INFO] [stderr]    |             ^^^^^^^^^^ help: a local variable with a similar name exists: `album_ids`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `track_id1` in this scope
[INFO] [stderr]   --> examples/current_user_saved_albums_contains.rs:40:29
[INFO] [stderr]    |
[INFO] [stderr] 40 |             albums_ids.push(track_id1);
[INFO] [stderr]    |                             ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `rspotify`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2717385d8b92dde622f588ec7c1de42341dc33b49158e7e12549c53285fc6e8d"`
[INFO] running `"docker" "rm" "-f" "2717385d8b92dde622f588ec7c1de42341dc33b49158e7e12549c53285fc6e8d"`
[INFO] [stdout] 2717385d8b92dde622f588ec7c1de42341dc33b49158e7e12549c53285fc6e8d