[INFO] updating cached repository jbg/rust-mailer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jbg/rust-mailer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jbg/rust-mailer" "work/ex/beta-1.37-6/sources/1.36.0/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jbg/rust-mailer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jbg/rust-mailer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jbg/rust-mailer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e35e58c080e73db8c3b8185106bbeacb546c56d
[INFO] sha for GitHub repo jbg/rust-mailer: 5e35e58c080e73db8c3b8185106bbeacb546c56d
[INFO] validating manifest of jbg/rust-mailer on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jbg/rust-mailer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jbg/rust-mailer
[INFO] finished frobbing jbg/rust-mailer
[INFO] frobbed toml for jbg/rust-mailer written to work/ex/beta-1.37-6/sources/1.36.0/gh/jbg/rust-mailer/Cargo.toml
[INFO] started frobbing jbg/rust-mailer
[INFO] finished frobbing jbg/rust-mailer
[INFO] frobbed toml for jbg/rust-mailer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jbg/rust-mailer/Cargo.toml
[INFO] crate jbg/rust-mailer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jbg/rust-mailer against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jbg/rust-mailer:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 4beff6ad01a92b6bd44746081ca3678006a5a5a034197b3376979504b3057275
[INFO] running `"docker" "start" "-a" "4beff6ad01a92b6bd44746081ca3678006a5a5a034197b3376979504b3057275"`
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling futures v0.1.9
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling tokio-proto v0.1.0
[INFO] [stderr]    Compiling rust-mailer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:30
[INFO] [stderr]     |
[INFO] [stderr] 128 |     type BindTransport = Box<Future<Item = Self::Transport, Error = io::Error>>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Transport, Error = io::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.95s
[INFO] running `"docker" "inspect" "4beff6ad01a92b6bd44746081ca3678006a5a5a034197b3376979504b3057275"`
[INFO] running `"docker" "rm" "-f" "4beff6ad01a92b6bd44746081ca3678006a5a5a034197b3376979504b3057275"`
[INFO] [stdout] 4beff6ad01a92b6bd44746081ca3678006a5a5a034197b3376979504b3057275
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jbg/rust-mailer:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 76a92e33c77679f09989e123ba9e46ae5560e9d2b312b29cf94e8d8e0f9127b9
[INFO] running `"docker" "start" "-a" "76a92e33c77679f09989e123ba9e46ae5560e9d2b312b29cf94e8d8e0f9127b9"`
[INFO] [stderr]    Compiling rust-mailer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:128:30
[INFO] [stderr]     |
[INFO] [stderr] 128 |     type BindTransport = Box<Future<Item = Self::Transport, Error = io::Error>>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Transport, Error = io::Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "76a92e33c77679f09989e123ba9e46ae5560e9d2b312b29cf94e8d8e0f9127b9"`
[INFO] running `"docker" "rm" "-f" "76a92e33c77679f09989e123ba9e46ae5560e9d2b312b29cf94e8d8e0f9127b9"`
[INFO] [stdout] 76a92e33c77679f09989e123ba9e46ae5560e9d2b312b29cf94e8d8e0f9127b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jbg/rust-mailer:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 83402b7236686c995bad875ea78dea45d8d4cb5efd520405e37f9967c4bc4bf3
[INFO] running `"docker" "start" "-a" "83402b7236686c995bad875ea78dea45d8d4cb5efd520405e37f9967c4bc4bf3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_mailer-516ec01fa2b335de
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83402b7236686c995bad875ea78dea45d8d4cb5efd520405e37f9967c4bc4bf3"`
[INFO] running `"docker" "rm" "-f" "83402b7236686c995bad875ea78dea45d8d4cb5efd520405e37f9967c4bc4bf3"`
[INFO] [stdout] 83402b7236686c995bad875ea78dea45d8d4cb5efd520405e37f9967c4bc4bf3