[INFO] updating cached repository ffimnsr/simple-webservice-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ffimnsr/simple-webservice-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ffimnsr/simple-webservice-rust" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/ffimnsr/simple-webservice-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/ffimnsr/simple-webservice-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ffimnsr/simple-webservice-rust" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/ffimnsr/simple-webservice-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/ffimnsr/simple-webservice-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fa784d2adfca24055555f407c52dee2a9eedb293 [INFO] sha for GitHub repo ffimnsr/simple-webservice-rust: fa784d2adfca24055555f407c52dee2a9eedb293 [INFO] validating manifest of ffimnsr/simple-webservice-rust on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ffimnsr/simple-webservice-rust on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ffimnsr/simple-webservice-rust [INFO] finished frobbing ffimnsr/simple-webservice-rust [INFO] frobbed toml for ffimnsr/simple-webservice-rust written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/ffimnsr/simple-webservice-rust/Cargo.toml [INFO] started frobbing ffimnsr/simple-webservice-rust [INFO] finished frobbing ffimnsr/simple-webservice-rust [INFO] frobbed toml for ffimnsr/simple-webservice-rust written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/ffimnsr/simple-webservice-rust/Cargo.toml [INFO] crate ffimnsr/simple-webservice-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ffimnsr/simple-webservice-rust against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-7/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/ffimnsr/simple-webservice-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4b9812f480f57f9c21587ace5db23cba17993417494881a869a3a37bffdbed3e [INFO] running `"docker" "start" "-a" "4b9812f480f57f9c21587ace5db23cba17993417494881a869a3a37bffdbed3e"` [INFO] [stderr] Compiling lazy_static v1.0.2 [INFO] [stderr] Compiling email v0.0.19 [INFO] [stderr] Checking r2d2 v0.8.2 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Compiling gotham_derive v0.2.1 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Checking md-5 v0.7.0 [INFO] [stderr] Checking hmac v0.6.2 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Checking diesel v1.3.2 [INFO] [stderr] Checking dotenv v0.13.0 [INFO] [stderr] Checking lettre v0.8.2 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling cargo_metadata v0.5.8 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling skeptic v0.13.3 [INFO] [stderr] Checking lettre_email v0.8.2 [INFO] [stderr] Compiling ring v0.12.1 [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" "4b9812f480f57f9c21587ace5db23cba17993417494881a869a3a37bffdbed3e"` [INFO] running `"docker" "rm" "-f" "4b9812f480f57f9c21587ace5db23cba17993417494881a869a3a37bffdbed3e"` [INFO] [stdout] 4b9812f480f57f9c21587ace5db23cba17993417494881a869a3a37bffdbed3e