[INFO] cloning repository luxn/tasci
[INFO] running `"git" "clone" "--bare" "git://github.com/luxn/tasci.git" "work/cache/sources/gh/luxn/tasci"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/luxn/tasci'...
[INFO] running `"git" "clone" "work/cache/sources/gh/luxn/tasci" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/luxn/tasci"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/luxn/tasci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luxn/tasci" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/luxn/tasci"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/luxn/tasci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7037bdf63502d8d3bb99d915c9f868d2405278e8
[INFO] sha for GitHub repo luxn/tasci: 7037bdf63502d8d3bb99d915c9f868d2405278e8
[INFO] validating manifest of luxn/tasci on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of luxn/tasci on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing luxn/tasci
[INFO] finished frobbing luxn/tasci
[INFO] frobbed toml for luxn/tasci written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/luxn/tasci/Cargo.toml
[INFO] started frobbing luxn/tasci
[INFO] finished frobbing luxn/tasci
[INFO] frobbed toml for luxn/tasci written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/luxn/tasci/Cargo.toml
[INFO] crate luxn/tasci already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstar v0.1.1
[INFO] [stderr]   Downloaded geo v0.11.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking luxn/tasci against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/luxn/tasci:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 24f20be996ca42584da211aac19197ff6396dac7c3868cb2483979ecd21a202f
[INFO] running `"docker" "start" "-a" "24f20be996ca42584da211aac19197ff6396dac7c3868cb2483979ecd21a202f"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.16
[INFO] [stderr]    Compiling actix-web v0.7.17
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking rstar v0.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking diesel v1.3.3
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking geo-types v0.3.0
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking bcrypt v0.2.1
[INFO] [stderr]     Checking email v0.0.20
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking markdown v0.2.0
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]     Checking lettre v0.8.3
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking trust-dns-proto v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking geo v0.11.0
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking lettre_email v0.8.3
[INFO] [stderr]     Checking trust-dns-resolver v0.10.2
[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-0.8.3/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" "24f20be996ca42584da211aac19197ff6396dac7c3868cb2483979ecd21a202f"`
[INFO] running `"docker" "rm" "-f" "24f20be996ca42584da211aac19197ff6396dac7c3868cb2483979ecd21a202f"`
[INFO] [stdout] 24f20be996ca42584da211aac19197ff6396dac7c3868cb2483979ecd21a202f