[INFO] crate async-smtp 0.1.0 is already in cache
[INFO] checking async-smtp-0.1.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate async-smtp 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-smtp 0.1.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async-smtp 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-smtp 0.1.0
[INFO] tweaked toml for crates.io crate async-smtp 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate async-smtp 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 6d679dc508206fd4d65ab82ad0918cd7ae7a4d57dafe61d56f7c2a07a1a7341e
[INFO] running `"docker" "start" "-a" "6d679dc508206fd4d65ab82ad0918cd7ae7a4d57dafe61d56f7c2a07a1a7341e"`
[INFO] [stderr]    Compiling syn v1.0.8
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[INFO] [stderr]    Compiling lexical-core v0.4.6
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling snafu-derive v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.17
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[INFO] [stderr]     Checking async-tls v0.6.0
[INFO] [stderr]     Checking async-smtp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/smtp/error.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 |         fmt.write_str(self.description())
[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/smtp/error.rs:63:46
[INFO] [stderr]    |
[INFO] [stderr] 63 |             ChallengeParsing(ref err) => err.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/smtp/error.rs:64:41
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Utf8Parsing(ref err) => err.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/smtp/error.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Io(ref err) => err.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/smtp/error.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 |         fmt.write_str(self.description())
[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/smtp/error.rs:63:46
[INFO] [stderr]    |
[INFO] [stderr] 63 |             ChallengeParsing(ref err) => err.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/smtp/error.rs:64:41
[INFO] [stderr]    |
[INFO] [stderr] 64 |             Utf8Parsing(ref err) => err.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/smtp/error.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Io(ref err) => err.description(),
[INFO] [stderr]    |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `"docker" "inspect" "6d679dc508206fd4d65ab82ad0918cd7ae7a4d57dafe61d56f7c2a07a1a7341e"`
[INFO] running `"docker" "rm" "-f" "6d679dc508206fd4d65ab82ad0918cd7ae7a4d57dafe61d56f7c2a07a1a7341e"`
[INFO] [stdout] 6d679dc508206fd4d65ab82ad0918cd7ae7a4d57dafe61d56f7c2a07a1a7341e