[INFO] crate natsclient 0.0.6 is already in cache
[INFO] checking natsclient-0.0.6 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate natsclient 0.0.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate natsclient 0.0.6 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate natsclient 0.0.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate natsclient 0.0.6
[INFO] tweaked toml for crates.io crate natsclient 0.0.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate natsclient 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 9cf7308003b54fab0b131635957df983536d04db3fc20f9f742c4eeeea9cadfb
[INFO] running `"docker" "start" "-a" "9cf7308003b54fab0b131635957df983536d04db3fc20f9f742c4eeeea9cadfb"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking log v0.4.10
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking signature v1.0.0-pre.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking nats-types v0.1.8
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking signatory v0.16.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking signatory-dalek v0.16.0
[INFO] [stderr]     Checking nkeys v0.0.8
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking natsclient v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:167:56
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Some(ref desc) => write!(f, "{}: {}", self.description(), desc),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:168:42
[INFO] [stderr]     |
[INFO] [stderr] 168 |             None => write!(f, "{}", self.description()),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:167:56
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Some(ref desc) => write!(f, "{}: {}", self.description(), desc),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/error.rs:168:42
[INFO] [stderr]     |
[INFO] [stderr] 168 |             None => write!(f, "{}", self.description()),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "9cf7308003b54fab0b131635957df983536d04db3fc20f9f742c4eeeea9cadfb"`
[INFO] running `"docker" "rm" "-f" "9cf7308003b54fab0b131635957df983536d04db3fc20f9f742c4eeeea9cadfb"`
[INFO] [stdout] 9cf7308003b54fab0b131635957df983536d04db3fc20f9f742c4eeeea9cadfb