[INFO] updating cached repository busarovalex/accounting
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/busarovalex/accounting
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/busarovalex/accounting" "work/ex/beta-1.38-1/sources/1.37.0/gh/busarovalex/accounting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/busarovalex/accounting'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/busarovalex/accounting" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/busarovalex/accounting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/busarovalex/accounting'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c40466802883a0e045ca4fc2630c297ae6be909
[INFO] sha for GitHub repo busarovalex/accounting: 2c40466802883a0e045ca4fc2630c297ae6be909
[INFO] validating manifest of busarovalex/accounting 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 busarovalex/accounting 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 busarovalex/accounting
[INFO] finished frobbing busarovalex/accounting
[INFO] frobbed toml for busarovalex/accounting written to work/ex/beta-1.38-1/sources/1.37.0/gh/busarovalex/accounting/Cargo.toml
[INFO] started frobbing busarovalex/accounting
[INFO] finished frobbing busarovalex/accounting
[INFO] frobbed toml for busarovalex/accounting written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/busarovalex/accounting/Cargo.toml
[INFO] crate busarovalex/accounting 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 busarovalex/accounting against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/busarovalex/accounting:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 49917447593d0b8e325bf56fc0d9351fde565efc1dd936af0c6445d55f7d9b12
[INFO] running `"docker" "start" "-a" "49917447593d0b8e325bf56fc0d9351fde565efc1dd936af0c6445d55f7d9b12"`
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling telegram-bot-raw v0.6.0
[INFO] [stderr]    Compiling email v0.0.18
[INFO] [stderr]    Compiling env_logger v0.5.3
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[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]    Compiling telegram-bot v0.6.0
[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" "49917447593d0b8e325bf56fc0d9351fde565efc1dd936af0c6445d55f7d9b12"`
[INFO] running `"docker" "rm" "-f" "49917447593d0b8e325bf56fc0d9351fde565efc1dd936af0c6445d55f7d9b12"`
[INFO] [stdout] 49917447593d0b8e325bf56fc0d9351fde565efc1dd936af0c6445d55f7d9b12