[INFO] cloning repository ahamez/scrape_hwg_ste
[INFO] running `"git" "clone" "--bare" "git://github.com/ahamez/scrape_hwg_ste.git" "work/cache/sources/gh/ahamez/scrape_hwg_ste"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ahamez/scrape_hwg_ste'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ahamez/scrape_hwg_ste" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ahamez/scrape_hwg_ste"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ahamez/scrape_hwg_ste'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahamez/scrape_hwg_ste" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ahamez/scrape_hwg_ste"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ahamez/scrape_hwg_ste'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 524ad65474e9dfd34e9e74fe0c3e62b37bb3b926
[INFO] sha for GitHub repo ahamez/scrape_hwg_ste: 524ad65474e9dfd34e9e74fe0c3e62b37bb3b926
[INFO] validating manifest of ahamez/scrape_hwg_ste 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 ahamez/scrape_hwg_ste 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 ahamez/scrape_hwg_ste
[INFO] finished frobbing ahamez/scrape_hwg_ste
[INFO] frobbed toml for ahamez/scrape_hwg_ste written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ahamez/scrape_hwg_ste/Cargo.toml
[INFO] started frobbing ahamez/scrape_hwg_ste
[INFO] finished frobbing ahamez/scrape_hwg_ste
[INFO] frobbed toml for ahamez/scrape_hwg_ste written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/ahamez/scrape_hwg_ste/Cargo.toml
[INFO] crate ahamez/scrape_hwg_ste 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ahamez/scrape_hwg_ste against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/ahamez/scrape_hwg_ste:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5fb9be425b06223f9f6fdc78aa4a675fbe8a086605f917dd5c788bdea468167d
[INFO] running `"docker" "start" "-a" "5fb9be425b06223f9f6fdc78aa4a675fbe8a086605f917dd5c788bdea468167d"`
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking openssl v0.9.24
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.6
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking email v0.0.20
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.10
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio v0.1.14
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking lettre v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.1.4
[INFO] [stderr]     Checking lettre_email v0.7.0
[INFO] [stderr]     Checking reqwest v0.8.8
[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-0.7.0/src/lib.rs:444:70
[INFO] [stderr]     |
[INFO] [stderr] 444 |         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" "5fb9be425b06223f9f6fdc78aa4a675fbe8a086605f917dd5c788bdea468167d"`
[INFO] running `"docker" "rm" "-f" "5fb9be425b06223f9f6fdc78aa4a675fbe8a086605f917dd5c788bdea468167d"`
[INFO] [stdout] 5fb9be425b06223f9f6fdc78aa4a675fbe8a086605f917dd5c788bdea468167d