[INFO] updating cached repository nicdk/smtpd-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nicdk/smtpd-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nicdk/smtpd-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/nicdk/smtpd-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nicdk/smtpd-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nicdk/smtpd-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicdk/smtpd-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicdk/smtpd-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebfd2595791b9fb88f8649bb4442139c3c7ebc0c
[INFO] sha for GitHub repo nicdk/smtpd-rs: ebfd2595791b9fb88f8649bb4442139c3c7ebc0c
[INFO] validating manifest of nicdk/smtpd-rs 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 nicdk/smtpd-rs 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 nicdk/smtpd-rs
[INFO] finished frobbing nicdk/smtpd-rs
[INFO] frobbed toml for nicdk/smtpd-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/nicdk/smtpd-rs/Cargo.toml
[INFO] started frobbing nicdk/smtpd-rs
[INFO] finished frobbing nicdk/smtpd-rs
[INFO] frobbed toml for nicdk/smtpd-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nicdk/smtpd-rs/Cargo.toml
[INFO] crate nicdk/smtpd-rs 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 nicdk/smtpd-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nicdk/smtpd-rs:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] e1d37479ba670349b1d64357b19f392405225755a439462da477e79761a22138
[INFO] running `"docker" "start" "-a" "e1d37479ba670349b1d64357b19f392405225755a439462da477e79761a22138"`
[INFO] [stderr]    Compiling smtpd-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/bin/receiver.rs:453:33
[INFO] [stderr]     |
[INFO] [stderr] 453 |     while let Some(cause) = err.cause() {
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/bin/receiver.rs:453:33
[INFO] [stderr]     |
[INFO] [stderr] 453 |     while let Some(cause) = err.cause() {
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "e1d37479ba670349b1d64357b19f392405225755a439462da477e79761a22138"`
[INFO] running `"docker" "rm" "-f" "e1d37479ba670349b1d64357b19f392405225755a439462da477e79761a22138"`
[INFO] [stdout] e1d37479ba670349b1d64357b19f392405225755a439462da477e79761a22138
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nicdk/smtpd-rs:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ff7ee7f4b14b48442ba70bdbbb19c8ade1ac60b8583d14078bde3cfd5ec5a02b
[INFO] running `"docker" "start" "-a" "ff7ee7f4b14b48442ba70bdbbb19c8ade1ac60b8583d14078bde3cfd5ec5a02b"`
[INFO] [stderr]    Compiling smtpd-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/bin/receiver.rs:453:33
[INFO] [stderr]     |
[INFO] [stderr] 453 |     while let Some(cause) = err.cause() {
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/bin/receiver.rs:453:33
[INFO] [stderr]     |
[INFO] [stderr] 453 |     while let Some(cause) = err.cause() {
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "ff7ee7f4b14b48442ba70bdbbb19c8ade1ac60b8583d14078bde3cfd5ec5a02b"`
[INFO] running `"docker" "rm" "-f" "ff7ee7f4b14b48442ba70bdbbb19c8ade1ac60b8583d14078bde3cfd5ec5a02b"`
[INFO] [stdout] ff7ee7f4b14b48442ba70bdbbb19c8ade1ac60b8583d14078bde3cfd5ec5a02b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/nicdk/smtpd-rs:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 25a6c8205ec6198ad83bb98fd5b30754ce0b2891741f10ee621ff8338b53f59e
[INFO] running `"docker" "start" "-a" "25a6c8205ec6198ad83bb98fd5b30754ce0b2891741f10ee621ff8338b53f59e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maildir-7ac53500413599c0
[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]      Running /opt/crater/target/debug/deps/main-afe67610223d3ff7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test receiver::test_dispatch ... ok
[INFO] [stdout] test receiver::test_handler ... 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/receiver-d255bd2acd97b840
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_dispatch ... ok
[INFO] [stdout] test test_handler ... 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" "25a6c8205ec6198ad83bb98fd5b30754ce0b2891741f10ee621ff8338b53f59e"`
[INFO] running `"docker" "rm" "-f" "25a6c8205ec6198ad83bb98fd5b30754ce0b2891741f10ee621ff8338b53f59e"`
[INFO] [stdout] 25a6c8205ec6198ad83bb98fd5b30754ce0b2891741f10ee621ff8338b53f59e