[INFO] crate rspotify 0.9.0 is already in cache
[INFO] checking rspotify-0.9.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate rspotify 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rspotify 0.9.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rspotify 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rspotify 0.9.0
[INFO] tweaked toml for crates.io crate rspotify 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rspotify 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 2f5ccf4cae4190ffb8272d22e9571a05b2270c1b83ee85a1658d1128d13cc4f9
[INFO] running `"docker" "start" "-a" "2f5ccf4cae4190ffb8272d22e9571a05b2270c1b83ee85a1658d1128d13cc4f9"`
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking tokio-socks v0.2.2
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking rspotify v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.86s
[INFO] running `"docker" "inspect" "2f5ccf4cae4190ffb8272d22e9571a05b2270c1b83ee85a1658d1128d13cc4f9"`
[INFO] running `"docker" "rm" "-f" "2f5ccf4cae4190ffb8272d22e9571a05b2270c1b83ee85a1658d1128d13cc4f9"`
[INFO] [stdout] 2f5ccf4cae4190ffb8272d22e9571a05b2270c1b83ee85a1658d1128d13cc4f9