[INFO] crate jsonwebtokens 1.0.0-alpha.13 is already in cache
[INFO] checking jsonwebtokens-1.0.0-alpha.13 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate jsonwebtokens 1.0.0-alpha.13 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate jsonwebtokens 1.0.0-alpha.13 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jsonwebtokens 1.0.0-alpha.13
[INFO] finished tweaking crates.io crate jsonwebtokens 1.0.0-alpha.13
[INFO] tweaked toml for crates.io crate jsonwebtokens 1.0.0-alpha.13 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 83846e18ae4cb6e4dd393c9eee5de9563231bbf768475fc5c628853763d48596
[INFO] running `"docker" "start" "-a" "83846e18ae4cb6e4dd393c9eee5de9563231bbf768475fc5c628853763d48596"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking jsonwebtokens v1.0.0-alpha.13 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `get_time`
[INFO] [stderr]  --> tests/common/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn get_time() -> u64 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `"docker" "inspect" "83846e18ae4cb6e4dd393c9eee5de9563231bbf768475fc5c628853763d48596"`
[INFO] running `"docker" "rm" "-f" "83846e18ae4cb6e4dd393c9eee5de9563231bbf768475fc5c628853763d48596"`
[INFO] [stdout] 83846e18ae4cb6e4dd393c9eee5de9563231bbf768475fc5c628853763d48596