[INFO] updating cached repository renato-zannon/lotr-watcher
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/renato-zannon/lotr-watcher
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/renato-zannon/lotr-watcher" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renato-zannon/lotr-watcher"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renato-zannon/lotr-watcher'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/renato-zannon/lotr-watcher" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renato-zannon/lotr-watcher"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renato-zannon/lotr-watcher'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad439377b5c50d228f1e2a0b20a9f37d2ccfa540
[INFO] sha for GitHub repo renato-zannon/lotr-watcher: ad439377b5c50d228f1e2a0b20a9f37d2ccfa540
[INFO] validating manifest of renato-zannon/lotr-watcher on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of renato-zannon/lotr-watcher on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing renato-zannon/lotr-watcher
[INFO] finished frobbing renato-zannon/lotr-watcher
[INFO] frobbed toml for renato-zannon/lotr-watcher written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/renato-zannon/lotr-watcher/Cargo.toml
[INFO] started frobbing renato-zannon/lotr-watcher
[INFO] finished frobbing renato-zannon/lotr-watcher
[INFO] frobbed toml for renato-zannon/lotr-watcher written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renato-zannon/lotr-watcher/Cargo.toml
[INFO] crate renato-zannon/lotr-watcher already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking renato-zannon/lotr-watcher against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/renato-zannon/lotr-watcher:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ab123a3d3ac72ec88b88823f47885992ba9905ad99a52139749633a84c4d0140
[INFO] running `"docker" "start" "-a" "ab123a3d3ac72ec88b88823f47885992ba9905ad99a52139749633a84c4d0140"`
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking serde v1.0.36
[INFO] [stderr]     Checking hex v0.3.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]    Compiling email v0.0.18
[INFO] [stderr]     Checking chrono v0.4.1
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking blake2 v0.7.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.22.2
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.36
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking hyper v0.11.24
[INFO] [stderr]     Checking html5ever v0.18.0
[INFO] [stderr]     Checking lettre v0.7.0
[INFO] [stderr]     Checking lettre_email v0.7.0
[INFO] [stderr]     Checking select v0.4.2
[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-0.7.0/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" "ab123a3d3ac72ec88b88823f47885992ba9905ad99a52139749633a84c4d0140"`
[INFO] running `"docker" "rm" "-f" "ab123a3d3ac72ec88b88823f47885992ba9905ad99a52139749633a84c4d0140"`
[INFO] [stdout] ab123a3d3ac72ec88b88823f47885992ba9905ad99a52139749633a84c4d0140