[INFO] cloning repository FreeMasen/analytics
[INFO] running `"git" "clone" "--bare" "git://github.com/FreeMasen/analytics.git" "work/cache/sources/gh/FreeMasen/analytics"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/FreeMasen/analytics'...
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/analytics" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FreeMasen/analytics"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FreeMasen/analytics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeMasen/analytics" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FreeMasen/analytics"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FreeMasen/analytics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a5158cac025b8865febc514727ee1561b33170c
[INFO] sha for GitHub repo FreeMasen/analytics: 1a5158cac025b8865febc514727ee1561b33170c
[INFO] validating manifest of FreeMasen/analytics 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 FreeMasen/analytics 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 FreeMasen/analytics
[INFO] finished frobbing FreeMasen/analytics
[INFO] frobbed toml for FreeMasen/analytics written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/FreeMasen/analytics/Cargo.toml
[INFO] started frobbing FreeMasen/analytics
[INFO] finished frobbing FreeMasen/analytics
[INFO] frobbed toml for FreeMasen/analytics written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FreeMasen/analytics/Cargo.toml
[INFO] crate FreeMasen/analytics 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uap-rust v0.0.4
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking FreeMasen/analytics against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/FreeMasen/analytics:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 25e08d7ccc61f42673caed3c1ba429891c68b296a0d1147182fdc5425f62bf57
[INFO] running `"docker" "start" "-a" "25e08d7ccc61f42673caed3c1ba429891c68b296a0d1147182fdc5425f62bf57"`
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]     Checking email v0.0.20
[INFO] [stderr]     Checking term-table v1.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking uap-rust v0.0.4
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]     Checking headers v0.2.1
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking hyper v0.12.23
[INFO] [stderr]     Checking lettre v0.8.3
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking lettre_email v0.8.3
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking warp v0.1.12
[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-0.8.3/src/lib.rs:387:70
[INFO] [stderr]     |
[INFO] [stderr] 387 |         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" "25e08d7ccc61f42673caed3c1ba429891c68b296a0d1147182fdc5425f62bf57"`
[INFO] running `"docker" "rm" "-f" "25e08d7ccc61f42673caed3c1ba429891c68b296a0d1147182fdc5425f62bf57"`
[INFO] [stdout] 25e08d7ccc61f42673caed3c1ba429891c68b296a0d1147182fdc5425f62bf57