[INFO] updating cached repository https://github.com/sudarshan-reddy/gitfu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d52fa2bb68fc6c1ea1d8025b1cc6145824235e3
[INFO] testing sudarshan-reddy/gitfu against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudarshan-reddy%2Fgitfu" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudarshan-reddy/gitfu on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sudarshan-reddy/gitfu
[INFO] finished tweaking git repo https://github.com/sudarshan-reddy/gitfu
[INFO] tweaked toml for git repo https://github.com/sudarshan-reddy/gitfu written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sudarshan-reddy/gitfu already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] e7e5c34f7da4832122f202317bdf386501f6c12a548e7cf6d7b8281f2096ef39
[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" "e7e5c34f7da4832122f202317bdf386501f6c12a548e7cf6d7b8281f2096ef39"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling lettre v0.9.1
[INFO] [stderr]    Compiling lettre_email v0.9.1
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.9.1/src/lib.rs:139:66
[INFO] [stderr]     |
[INFO] [stderr] 139 |         self.header(("Content-Type", format!("{}", content_type).as_ref()))
[INFO] [stderr]     |                                      --------------------------- ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      consider giving `res` a type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.9.1/src/lib.rs:311:55
[INFO] [stderr]     |
[INFO] [stderr] 311 |                 format!("{}", mime::TEXT_PLAIN_UTF_8).as_ref(),
[INFO] [stderr]     |                 ------------------------------------- ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 consider giving `res` a type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.9.1/src/lib.rs:323:54
[INFO] [stderr]     |
[INFO] [stderr] 323 |                 format!("{}", mime::TEXT_HTML_UTF_8).as_ref(),
[INFO] [stderr]     |                 ------------------------------------ ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 consider giving `res` a type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.9.1/src/lib.rs:339:55
[INFO] [stderr]     |
[INFO] [stderr] 339 |                 format!("{}", mime::TEXT_PLAIN_UTF_8).as_ref(),
[INFO] [stderr]     |                 ------------------------------------- ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 consider giving `res` a type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.9.1/src/lib.rs:387:73
[INFO] [stderr]     |
[INFO] [stderr] 387 |             self.message = self.message.header(("Sender", v.to_string().as_ref()));
[INFO] [stderr]     |                                                                         ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr] ...
[INFO] [stderr] 488 |             format!("<{}.lettre@localhost>", message_id),
[INFO] [stderr]     |             -------------------------------------------- consider giving `res` a type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `lettre_email`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e7e5c34f7da4832122f202317bdf386501f6c12a548e7cf6d7b8281f2096ef39"`
[INFO] running `"docker" "rm" "-f" "e7e5c34f7da4832122f202317bdf386501f6c12a548e7cf6d7b8281f2096ef39"`
[INFO] [stdout] e7e5c34f7da4832122f202317bdf386501f6c12a548e7cf6d7b8281f2096ef39