[INFO] updating cached repository HristoKolev/docker-backup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HristoKolev/docker-backup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/docker-backup" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/HristoKolev/docker-backup"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/HristoKolev/docker-backup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/docker-backup" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/HristoKolev/docker-backup"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/HristoKolev/docker-backup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35b84d3715761159aa2378feca52a50acc492e22
[INFO] sha for GitHub repo HristoKolev/docker-backup: 35b84d3715761159aa2378feca52a50acc492e22
[INFO] validating manifest of HristoKolev/docker-backup on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of HristoKolev/docker-backup on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing HristoKolev/docker-backup
[INFO] finished frobbing HristoKolev/docker-backup
[INFO] frobbed toml for HristoKolev/docker-backup written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/HristoKolev/docker-backup/Cargo.toml
[INFO] started frobbing HristoKolev/docker-backup
[INFO] finished frobbing HristoKolev/docker-backup
[INFO] frobbed toml for HristoKolev/docker-backup written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/HristoKolev/docker-backup/Cargo.toml
[INFO] crate HristoKolev/docker-backup already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking HristoKolev/docker-backup against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/HristoKolev/docker-backup:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bff927067b91af265e2f93247fd715a28cf3e2fa43ef08ee2f15d65ea40b2869
[INFO] running `"docker" "start" "-a" "bff927067b91af265e2f93247fd715a28cf3e2fa43ef08ee2f15d65ea40b2869"`
[INFO] [stderr]     Checking mio v0.6.18
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking lettre v0.9.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking debugid v0.4.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking email v0.0.20
[INFO] [stderr]     Checking sentry-types v0.11.0
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking lettre_email v0.9.1
[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-0.9.1/src/lib.rs:139:66
[INFO] [stderr]     |
[INFO] [stderr] 139 |         self.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" "bff927067b91af265e2f93247fd715a28cf3e2fa43ef08ee2f15d65ea40b2869"`
[INFO] running `"docker" "rm" "-f" "bff927067b91af265e2f93247fd715a28cf3e2fa43ef08ee2f15d65ea40b2869"`
[INFO] [stdout] bff927067b91af265e2f93247fd715a28cf3e2fa43ef08ee2f15d65ea40b2869