[INFO] updating cached repository https://github.com/rongfengliang/myvigil-multiemail
[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] 27e4a0452af5df2e75065ca6b91573428aa5713c
[INFO] checking rongfengliang/myvigil-multiemail against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frongfengliang%2Fmyvigil-multiemail" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rongfengliang/myvigil-multiemail on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rongfengliang/myvigil-multiemail
[INFO] finished tweaking git repo https://github.com/rongfengliang/myvigil-multiemail
[INFO] tweaked toml for git repo https://github.com/rongfengliang/myvigil-multiemail written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rongfengliang/myvigil-multiemail already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 88a6a1bc084f18dbbf376826d8a6761d0d0400ddff8793dadd2e0328119a0e4c
[INFO] running `"docker" "start" "-a" "88a6a1bc084f18dbbf376826d8a6761d0d0400ddff8793dadd2e0328119a0e4c"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking libflate v0.1.20
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking email v0.0.20
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking notify v4.0.9
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking hyper v0.12.24
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.10
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.0
[INFO] [stderr]     Checking lettre v0.8.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[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" "88a6a1bc084f18dbbf376826d8a6761d0d0400ddff8793dadd2e0328119a0e4c"`
[INFO] running `"docker" "rm" "-f" "88a6a1bc084f18dbbf376826d8a6761d0d0400ddff8793dadd2e0328119a0e4c"`
[INFO] [stdout] 88a6a1bc084f18dbbf376826d8a6761d0d0400ddff8793dadd2e0328119a0e4c