[INFO] crate mailgun 0.1.3 is already in cache
[INFO] extracting crate mailgun 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/mailgun/0.1.3
[INFO] extracting crate mailgun 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailgun/0.1.3
[INFO] validating manifest of mailgun-0.1.3 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 mailgun-0.1.3 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 mailgun-0.1.3
[INFO] finished frobbing mailgun-0.1.3
[INFO] frobbed toml for mailgun-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mailgun/0.1.3/Cargo.toml
[INFO] started frobbing mailgun-0.1.3
[INFO] finished frobbing mailgun-0.1.3
[INFO] frobbed toml for mailgun-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailgun/0.1.3/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 mailgun-0.1.3 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mailgun/0.1.3:/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] dadf3878e001f00f1ab67049561c34622f050f401b86f3223ea6d26316fa5145
[INFO] running `"docker" "start" "-a" "dadf3878e001f00f1ab67049561c34622f050f401b86f3223ea6d26316fa5145"`
[INFO] [stderr]    Compiling mailgun v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "dadf3878e001f00f1ab67049561c34622f050f401b86f3223ea6d26316fa5145"`
[INFO] running `"docker" "rm" "-f" "dadf3878e001f00f1ab67049561c34622f050f401b86f3223ea6d26316fa5145"`
[INFO] [stdout] dadf3878e001f00f1ab67049561c34622f050f401b86f3223ea6d26316fa5145
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mailgun/0.1.3:/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] 053ff5b5e181f2e46e22676b889d54c3fd064bd6b7f3880422551fff6ae723f4
[INFO] running `"docker" "start" "-a" "053ff5b5e181f2e46e22676b889d54c3fd064bd6b7f3880422551fff6ae723f4"`
[INFO] [stderr]    Compiling mailgun v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "053ff5b5e181f2e46e22676b889d54c3fd064bd6b7f3880422551fff6ae723f4"`
[INFO] running `"docker" "rm" "-f" "053ff5b5e181f2e46e22676b889d54c3fd064bd6b7f3880422551fff6ae723f4"`
[INFO] [stdout] 053ff5b5e181f2e46e22676b889d54c3fd064bd6b7f3880422551fff6ae723f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mailgun/0.1.3:/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] c2f01c69fb49db2d7eedafe02ace17595b9068a1a6a895a4c3b70574391b89c7
[INFO] running `"docker" "start" "-a" "c2f01c69fb49db2d7eedafe02ace17595b9068a1a6a895a4c3b70574391b89c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mailgun-0cbeb7869dfabacc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 mailgun
[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" "c2f01c69fb49db2d7eedafe02ace17595b9068a1a6a895a4c3b70574391b89c7"`
[INFO] running `"docker" "rm" "-f" "c2f01c69fb49db2d7eedafe02ace17595b9068a1a6a895a4c3b70574391b89c7"`
[INFO] [stdout] c2f01c69fb49db2d7eedafe02ace17595b9068a1a6a895a4c3b70574391b89c7