[INFO] updating cached repository dns2utf8/igel_chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dns2utf8/igel_chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dns2utf8/igel_chat" "work/ex/beta-1.38-1/sources/1.37.0/gh/dns2utf8/igel_chat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dns2utf8/igel_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dns2utf8/igel_chat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dns2utf8/igel_chat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dns2utf8/igel_chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d6a1842efb0ce2174985a51757637da1ceb3d1e
[INFO] sha for GitHub repo dns2utf8/igel_chat: 6d6a1842efb0ce2174985a51757637da1ceb3d1e
[INFO] validating manifest of dns2utf8/igel_chat 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 dns2utf8/igel_chat 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 dns2utf8/igel_chat
[INFO] finished frobbing dns2utf8/igel_chat
[INFO] frobbed toml for dns2utf8/igel_chat written to work/ex/beta-1.38-1/sources/1.37.0/gh/dns2utf8/igel_chat/Cargo.toml
[INFO] started frobbing dns2utf8/igel_chat
[INFO] finished frobbing dns2utf8/igel_chat
[INFO] frobbed toml for dns2utf8/igel_chat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dns2utf8/igel_chat/Cargo.toml
[INFO] crate dns2utf8/igel_chat already has a lockfile, it will not be regenerated
[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 dns2utf8/igel_chat against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dns2utf8/igel_chat:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 988278c859ed5d62a4031b2beddce3d62e9f4070885f1102f3266173d906e1f9
[INFO] running `"docker" "start" "-a" "988278c859ed5d62a4031b2beddce3d62e9f4070885f1102f3266173d906e1f9"`
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling tokio-tls v0.1.3
[INFO] [stderr]    Compiling websocket v0.20.2
[INFO] [stderr]    Compiling igel_chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.46s
[INFO] running `"docker" "inspect" "988278c859ed5d62a4031b2beddce3d62e9f4070885f1102f3266173d906e1f9"`
[INFO] running `"docker" "rm" "-f" "988278c859ed5d62a4031b2beddce3d62e9f4070885f1102f3266173d906e1f9"`
[INFO] [stdout] 988278c859ed5d62a4031b2beddce3d62e9f4070885f1102f3266173d906e1f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dns2utf8/igel_chat:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9eb4edd440cb692497ad331f6f66b59f62dc8aa2fc7e0133d87aea27284fa53d
[INFO] running `"docker" "start" "-a" "9eb4edd440cb692497ad331f6f66b59f62dc8aa2fc7e0133d87aea27284fa53d"`
[INFO] [stderr]    Compiling igel_chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "9eb4edd440cb692497ad331f6f66b59f62dc8aa2fc7e0133d87aea27284fa53d"`
[INFO] running `"docker" "rm" "-f" "9eb4edd440cb692497ad331f6f66b59f62dc8aa2fc7e0133d87aea27284fa53d"`
[INFO] [stdout] 9eb4edd440cb692497ad331f6f66b59f62dc8aa2fc7e0133d87aea27284fa53d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dns2utf8/igel_chat:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 01b310939fe5696de6b2b828395eecbd49feb3d1589c51c592f563f184e57616
[INFO] running `"docker" "start" "-a" "01b310939fe5696de6b2b828395eecbd49feb3d1589c51c592f563f184e57616"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/igel_chat-9b224df0ddd0aa21
[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" "01b310939fe5696de6b2b828395eecbd49feb3d1589c51c592f563f184e57616"`
[INFO] running `"docker" "rm" "-f" "01b310939fe5696de6b2b828395eecbd49feb3d1589c51c592f563f184e57616"`
[INFO] [stdout] 01b310939fe5696de6b2b828395eecbd49feb3d1589c51c592f563f184e57616