[INFO] updating cached repository https://github.com/tcsc/asyncho
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea65583019f2c1aa8de01878435db2f59ae84a5f
[INFO] testing tcsc/asyncho against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Fasyncho" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcsc/asyncho on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tcsc/asyncho
[INFO] finished tweaking git repo https://github.com/tcsc/asyncho
[INFO] tweaked toml for git repo https://github.com/tcsc/asyncho written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tcsc/asyncho already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c145589b4327d5d936aa3e63d01aef634dad92dda87b102e7e101d1983f84497
[INFO] running `"docker" "start" "-a" "c145589b4327d5d936aa3e63d01aef634dad92dda87b102e7e101d1983f84497"`
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling bytes v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling mio v0.6.6
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-core v0.1.6
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling asyncho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `"docker" "inspect" "c145589b4327d5d936aa3e63d01aef634dad92dda87b102e7e101d1983f84497"`
[INFO] running `"docker" "rm" "-f" "c145589b4327d5d936aa3e63d01aef634dad92dda87b102e7e101d1983f84497"`
[INFO] [stdout] c145589b4327d5d936aa3e63d01aef634dad92dda87b102e7e101d1983f84497
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7cdff6292e8073cad0c7bfe2ef0544eacc760c0991a21b777d13e8525e8eab39
[INFO] running `"docker" "start" "-a" "7cdff6292e8073cad0c7bfe2ef0544eacc760c0991a21b777d13e8525e8eab39"`
[INFO] [stderr]    Compiling asyncho v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/service.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `"docker" "inspect" "7cdff6292e8073cad0c7bfe2ef0544eacc760c0991a21b777d13e8525e8eab39"`
[INFO] running `"docker" "rm" "-f" "7cdff6292e8073cad0c7bfe2ef0544eacc760c0991a21b777d13e8525e8eab39"`
[INFO] [stdout] 7cdff6292e8073cad0c7bfe2ef0544eacc760c0991a21b777d13e8525e8eab39
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e5f0ff90fcf9462c5df5f177daf6910a424cd923ae9d279c29611187044cdc22
[INFO] running `"docker" "start" "-a" "e5f0ff90fcf9462c5df5f177daf6910a424cd923ae9d279c29611187044cdc22"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/asyncho-38bde9269033c578
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test lines::test::decoder_extracts_message ... ok
[INFO] [stdout] test lines::test::decoder_handles_empty_buffer ... ok
[INFO] [stdout] test lines::test::decoder_handles_incomplete_frames ... ok
[INFO] [stdout] test lines::test::decoder_handles_zero_length_frame ... ok
[INFO] [stdout] test lines::test::encoder_handles_empty_frame ... ok
[INFO] [stdout] test lines::test::encoder_encodes_message ... ok
[INFO] [stdout] test lines::test::decoder_returns_error_on_invalid_utf8 ... ok
[INFO] [stdout] test lines::test::encoder_handles_multiple_frames ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e5f0ff90fcf9462c5df5f177daf6910a424cd923ae9d279c29611187044cdc22"`
[INFO] running `"docker" "rm" "-f" "e5f0ff90fcf9462c5df5f177daf6910a424cd923ae9d279c29611187044cdc22"`
[INFO] [stdout] e5f0ff90fcf9462c5df5f177daf6910a424cd923ae9d279c29611187044cdc22