[INFO] crate lettre 0.9.3 is already in cache
[INFO] checking lettre-0.9.3 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate lettre 0.9.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lettre 0.9.3 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lettre 0.9.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lettre 0.9.3
[INFO] tweaked toml for crates.io crate lettre 0.9.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate lettre 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 992bf9ce24e4dc1abf7a42c1cf336fae23e0b8afab5d2c2b5747c6b459799d9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "992bf9ce24e4dc1abf7a42c1cf336fae23e0b8afab5d2c2b5747c6b459799d9e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking lettre v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no function or associated item named `builder` found for struct `lettre::SmtpTransport` in the current scope
[INFO] [stderr]   --> benches/transport_smtp.rs:12:37
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut sender = SmtpTransport::builder("127.0.0.1:2525", ClientSecurity::None)
[INFO] [stderr]    |                                     ^^^^^^^ function or associated item not found in `lettre::SmtpTransport`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `builder` found for struct `lettre::SmtpTransport` in the current scope
[INFO] [stderr]   --> benches/transport_smtp.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let mut sender = SmtpTransport::builder("127.0.0.1:2525", ClientSecurity::None)
[INFO] [stderr]    |                                     ^^^^^^^ function or associated item not found in `lettre::SmtpTransport`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Transport`
[INFO] [stderr]  --> benches/transport_smtp.rs:8:43
[INFO] [stderr]   |
[INFO] [stderr] 8 | use lettre::{EmailAddress, SendableEmail, Transport};
[INFO] [stderr]   |                                           ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `lettre`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "992bf9ce24e4dc1abf7a42c1cf336fae23e0b8afab5d2c2b5747c6b459799d9e"`
[INFO] running `"docker" "rm" "-f" "992bf9ce24e4dc1abf7a42c1cf336fae23e0b8afab5d2c2b5747c6b459799d9e"`
[INFO] [stdout] 992bf9ce24e4dc1abf7a42c1cf336fae23e0b8afab5d2c2b5747c6b459799d9e