[INFO] crate mailin-embedded 0.4.1 is already in cache
[INFO] extracting crate mailin-embedded 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/mailin-embedded/0.4.1
[INFO] extracting crate mailin-embedded 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailin-embedded/0.4.1
[INFO] validating manifest of mailin-embedded-0.4.1 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 mailin-embedded-0.4.1 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 mailin-embedded-0.4.1
[INFO] finished frobbing mailin-embedded-0.4.1
[INFO] frobbed toml for mailin-embedded-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mailin-embedded/0.4.1/Cargo.toml
[INFO] started frobbing mailin-embedded-0.4.1
[INFO] finished frobbing mailin-embedded-0.4.1
[INFO] frobbed toml for mailin-embedded-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailin-embedded/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 mailin-embedded-0.4.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mailin-embedded/0.4.1:/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] 03a0971bd8b7351672a2ee913659f52fa5d3bdadf7344b7eb85cf7de50e5cb2a
[INFO] running `"docker" "start" "-a" "03a0971bd8b7351672a2ee913659f52fa5d3bdadf7344b7eb85cf7de50e5cb2a"`
[INFO] [stderr]    Compiling ternop v1.0.1
[INFO] [stderr]    Compiling mailin v0.4.0
[INFO] [stderr]    Compiling mailin-embedded v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/running.rs:180:36
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn write_response(mut writer: &mut Write, res: &Response) -> Result<(), Error> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "03a0971bd8b7351672a2ee913659f52fa5d3bdadf7344b7eb85cf7de50e5cb2a"`
[INFO] running `"docker" "rm" "-f" "03a0971bd8b7351672a2ee913659f52fa5d3bdadf7344b7eb85cf7de50e5cb2a"`
[INFO] [stdout] 03a0971bd8b7351672a2ee913659f52fa5d3bdadf7344b7eb85cf7de50e5cb2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mailin-embedded/0.4.1:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0a2abdda9dd133c965de4b8d3dbe1ba9f07c52e2394f3b73f70b4c30d2206c48
[INFO] running `"docker" "start" "-a" "0a2abdda9dd133c965de4b8d3dbe1ba9f07c52e2394f3b73f70b4c30d2206c48"`
[INFO] [stderr]    Compiling mailin-embedded v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/running.rs:180:36
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn write_response(mut writer: &mut Write, res: &Response) -> Result<(), Error> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "0a2abdda9dd133c965de4b8d3dbe1ba9f07c52e2394f3b73f70b4c30d2206c48"`
[INFO] running `"docker" "rm" "-f" "0a2abdda9dd133c965de4b8d3dbe1ba9f07c52e2394f3b73f70b4c30d2206c48"`
[INFO] [stdout] 0a2abdda9dd133c965de4b8d3dbe1ba9f07c52e2394f3b73f70b4c30d2206c48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mailin-embedded/0.4.1:/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" "test" "--frozen"`
[INFO] [stdout] bd3d23e1a17ae9fb838195ddc9ea271f2714d82ca7677f10dadde726f7492e52
[INFO] running `"docker" "start" "-a" "bd3d23e1a17ae9fb838195ddc9ea271f2714d82ca7677f10dadde726f7492e52"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mailin_embedded-6f6286e0769b2084
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test running::tests::run_server ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mailin-embedded
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Server<H>::with_addr (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bd3d23e1a17ae9fb838195ddc9ea271f2714d82ca7677f10dadde726f7492e52"`
[INFO] running `"docker" "rm" "-f" "bd3d23e1a17ae9fb838195ddc9ea271f2714d82ca7677f10dadde726f7492e52"`
[INFO] [stdout] bd3d23e1a17ae9fb838195ddc9ea271f2714d82ca7677f10dadde726f7492e52