[INFO] updating cached repository https://github.com/RemiliaForever/koumakan
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 11868a3600a8e0d9c57f6a9e5f5af81e1d12980f
[INFO] checking RemiliaForever/koumakan against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRemiliaForever%2Fkoumakan" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RemiliaForever/koumakan on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RemiliaForever/koumakan
[INFO] finished tweaking git repo https://github.com/RemiliaForever/koumakan
[INFO] tweaked toml for git repo https://github.com/RemiliaForever/koumakan written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/RemiliaForever/koumakan already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bf8db8a9fd1a70ac59e8cbc2b87ef4cae3d9fed824cf3abc201961164c4e412c
[INFO] running `"docker" "start" "-a" "bf8db8a9fd1a70ac59e8cbc2b87ef4cae3d9fed824cf3abc201961164c4e412c"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling derive_builder v0.7.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling pear_codegen v0.1.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking filetime v0.2.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rocket_contrib_codegen v0.4.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking walkdir v2.2.6
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking lettre v0.8.3
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]     Checking r2d2 v0.8.3
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking lettre_email v0.8.3
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lettre_email-0.8.3/src/lib.rs:387:70
[INFO] [stderr]     |
[INFO] [stderr] 387 |         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" "bf8db8a9fd1a70ac59e8cbc2b87ef4cae3d9fed824cf3abc201961164c4e412c"`
[INFO] running `"docker" "rm" "-f" "bf8db8a9fd1a70ac59e8cbc2b87ef4cae3d9fed824cf3abc201961164c4e412c"`
[INFO] [stdout] bf8db8a9fd1a70ac59e8cbc2b87ef4cae3d9fed824cf3abc201961164c4e412c