[INFO] updating cached repository cljvm/xin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cljvm/xin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cljvm/xin" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/cljvm/xin"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/cljvm/xin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cljvm/xin" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/cljvm/xin"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/cljvm/xin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4aa490c05ee94f0ac9c5bb030097fa6eacca9e2f
[INFO] sha for GitHub repo cljvm/xin: 4aa490c05ee94f0ac9c5bb030097fa6eacca9e2f
[INFO] validating manifest of cljvm/xin on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cljvm/xin on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cljvm/xin
[INFO] finished frobbing cljvm/xin
[INFO] frobbed toml for cljvm/xin written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/cljvm/xin/Cargo.toml
[INFO] started frobbing cljvm/xin
[INFO] finished frobbing cljvm/xin
[INFO] frobbed toml for cljvm/xin written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/cljvm/xin/Cargo.toml
[INFO] crate cljvm/xin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cljvm/xin against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-2/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/cljvm/xin:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cfac6653b7698692b906803615389634a7894dc2911463bd2e41ea13a7ec0119
[INFO] running `"docker" "start" "-a" "cfac6653b7698692b906803615389634a7894dc2911463bd2e41ea13a7ec0119"`
[INFO] [stderr]     Checking deunicode v0.4.2
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking http v0.1.12
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking openssl v0.9.24
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking tera v0.11.16
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking lettre v0.8.2
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking lettre_email v0.8.2
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.8.2/src/lib.rs:361:70
[INFO] [stderr]     |
[INFO] [stderr] 361 |         self.add_header(("Content-Type", format!("{}", content_type).as_ref()));
[INFO] [stderr]     |                                                                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `lettre_email`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cfac6653b7698692b906803615389634a7894dc2911463bd2e41ea13a7ec0119"`
[INFO] running `"docker" "rm" "-f" "cfac6653b7698692b906803615389634a7894dc2911463bd2e41ea13a7ec0119"`
[INFO] [stdout] cfac6653b7698692b906803615389634a7894dc2911463bd2e41ea13a7ec0119