[INFO] crate fast_chemail 0.9.6 is already in cache
[INFO] extracting crate fast_chemail 0.9.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/fast_chemail/0.9.6
[INFO] extracting crate fast_chemail 0.9.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fast_chemail/0.9.6
[INFO] validating manifest of fast_chemail-0.9.6 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 fast_chemail-0.9.6 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 fast_chemail-0.9.6
[INFO] finished frobbing fast_chemail-0.9.6
[INFO] frobbed toml for fast_chemail-0.9.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fast_chemail/0.9.6/Cargo.toml
[INFO] started frobbing fast_chemail-0.9.6
[INFO] finished frobbing fast_chemail-0.9.6
[INFO] frobbed toml for fast_chemail-0.9.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fast_chemail/0.9.6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fast_chemail-0.9.6 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/fast_chemail/0.9.6:/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] b5850ef55728833a5a58fae81d9db6c4ba70bd4bebb987c1461697be07610909
[INFO] running `"docker" "start" "-a" "b5850ef55728833a5a58fae81d9db6c4ba70bd4bebb987c1461697be07610909"`
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling fast_chemail v0.9.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "b5850ef55728833a5a58fae81d9db6c4ba70bd4bebb987c1461697be07610909"`
[INFO] running `"docker" "rm" "-f" "b5850ef55728833a5a58fae81d9db6c4ba70bd4bebb987c1461697be07610909"`
[INFO] [stdout] b5850ef55728833a5a58fae81d9db6c4ba70bd4bebb987c1461697be07610909
[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/fast_chemail/0.9.6:/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] ee8f5d5485c7443d4ffb8ca33fde236dc030945e0c42a5f02cb66fabfb30a86e
[INFO] running `"docker" "start" "-a" "ee8f5d5485c7443d4ffb8ca33fde236dc030945e0c42a5f02cb66fabfb30a86e"`
[INFO] [stderr]    Compiling fast_chemail v0.9.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "ee8f5d5485c7443d4ffb8ca33fde236dc030945e0c42a5f02cb66fabfb30a86e"`
[INFO] running `"docker" "rm" "-f" "ee8f5d5485c7443d4ffb8ca33fde236dc030945e0c42a5f02cb66fabfb30a86e"`
[INFO] [stdout] ee8f5d5485c7443d4ffb8ca33fde236dc030945e0c42a5f02cb66fabfb30a86e
[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/fast_chemail/0.9.6:/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] e3972607638a8e4a3bebfa92360f0c542b1b6a27c5a76e61cf54938ff9cbf0aa
[INFO] running `"docker" "start" "-a" "e3972607638a8e4a3bebfa92360f0c542b1b6a27c5a76e61cf54938ff9cbf0aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fast_chemail-8f0bc0065dd9d878
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-5649f8b4e2d17dcb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::test_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test is_valid_email ... ok
[INFO] [stdout] test parse_email ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/table-dd96513b732fa0c0
[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] [stderr]    Doc-tests fast_chemail
[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" "e3972607638a8e4a3bebfa92360f0c542b1b6a27c5a76e61cf54938ff9cbf0aa"`
[INFO] running `"docker" "rm" "-f" "e3972607638a8e4a3bebfa92360f0c542b1b6a27c5a76e61cf54938ff9cbf0aa"`
[INFO] [stdout] e3972607638a8e4a3bebfa92360f0c542b1b6a27c5a76e61cf54938ff9cbf0aa