[INFO] updating cached repository ahamez/scrape_hwg_ste
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ahamez/scrape_hwg_ste
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ahamez/scrape_hwg_ste" "work/ex/beta-1.38-1/sources/1.37.0/gh/ahamez/scrape_hwg_ste"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ahamez/scrape_hwg_ste'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ahamez/scrape_hwg_ste" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahamez/scrape_hwg_ste"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ahamez/scrape_hwg_ste on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ahamez/scrape_hwg_ste against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ahamez/scrape_hwg_ste:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4941f43d3c0d6b065d3b65510440de97957e04bde481f57aa85b5596e19515ee
[INFO] running `"docker" "start" "-a" "4941f43d3c0d6b065d3b65510440de97957e04bde481f57aa85b5596e19515ee"`
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.14
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling rand v0.4.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.10
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.14
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling lettre v0.7.0
[INFO] [stderr]    Compiling lettre_email v0.7.0
[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" "4941f43d3c0d6b065d3b65510440de97957e04bde481f57aa85b5596e19515ee"`
[INFO] running `"docker" "rm" "-f" "4941f43d3c0d6b065d3b65510440de97957e04bde481f57aa85b5596e19515ee"`
[INFO] [stdout] 4941f43d3c0d6b065d3b65510440de97957e04bde481f57aa85b5596e19515ee