[INFO] updating cached repository marmistrz/http-update-notify
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marmistrz/http-update-notify
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marmistrz/http-update-notify" "work/ex/beta-1.38-1/sources/1.37.0/gh/marmistrz/http-update-notify"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/marmistrz/http-update-notify'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marmistrz/http-update-notify" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marmistrz/http-update-notify"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marmistrz/http-update-notify'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc7586805568857575c39d37d583db3feb07a9cb
[INFO] sha for GitHub repo marmistrz/http-update-notify: cc7586805568857575c39d37d583db3feb07a9cb
[INFO] validating manifest of marmistrz/http-update-notify 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 marmistrz/http-update-notify 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 marmistrz/http-update-notify
[INFO] finished frobbing marmistrz/http-update-notify
[INFO] frobbed toml for marmistrz/http-update-notify written to work/ex/beta-1.38-1/sources/1.37.0/gh/marmistrz/http-update-notify/Cargo.toml
[INFO] started frobbing marmistrz/http-update-notify
[INFO] finished frobbing marmistrz/http-update-notify
[INFO] frobbed toml for marmistrz/http-update-notify written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/marmistrz/http-update-notify/Cargo.toml
[INFO] crate marmistrz/http-update-notify 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 marmistrz/http-update-notify 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-6/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/marmistrz/http-update-notify:/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] 92d0d2440ba7b28563aecd31a03d85c5f2647679cf4ee64c093380e31aed59b5
[INFO] running `"docker" "start" "-a" "92d0d2440ba7b28563aecd31a03d85c5f2647679cf4ee64c093380e31aed59b5"`
[INFO] [stderr]    Compiling email v0.0.19 (https://github.com/lettre/rust-email#3086d7bc)
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling hyper v0.12.17
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling lettre v0.9.0 (https://github.com/lettre/lettre#c988b176)
[INFO] [stderr]    Compiling lettre_email v0.9.0 (https://github.com/lettre/lettre#c988b176)
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/crater/cargo-home/git/checkouts/lettre-53652803723a9045/c988b17/lettre_email/src/lib.rs:133:66
[INFO] [stderr]     |
[INFO] [stderr] 133 |         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" "92d0d2440ba7b28563aecd31a03d85c5f2647679cf4ee64c093380e31aed59b5"`
[INFO] running `"docker" "rm" "-f" "92d0d2440ba7b28563aecd31a03d85c5f2647679cf4ee64c093380e31aed59b5"`
[INFO] [stdout] 92d0d2440ba7b28563aecd31a03d85c5f2647679cf4ee64c093380e31aed59b5