[INFO] updating cached repository sindreij/rust_irc_client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sindreij/rust_irc_client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/rust_irc_client" "work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sindreij/rust_irc_client" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sindreij/rust_irc_client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sindreij/rust_irc_client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a7be4229324054918f6aaf217e78f4a674c508f
[INFO] sha for GitHub repo sindreij/rust_irc_client: 5a7be4229324054918f6aaf217e78f4a674c508f
[INFO] validating manifest of sindreij/rust_irc_client 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 sindreij/rust_irc_client 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 sindreij/rust_irc_client
[INFO] finished frobbing sindreij/rust_irc_client
[INFO] frobbed toml for sindreij/rust_irc_client written to work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client/Cargo.toml
[INFO] started frobbing sindreij/rust_irc_client
[INFO] finished frobbing sindreij/rust_irc_client
[INFO] frobbed toml for sindreij/rust_irc_client written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sindreij/rust_irc_client/Cargo.toml
[INFO] crate sindreij/rust_irc_client 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 sindreij/rust_irc_client 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client:/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] f306cd865a832044b37694108bc15ad9f9cbe57391eb58fefa83e19262ef4fcf
[INFO] running `"docker" "start" "-a" "f306cd865a832044b37694108bc15ad9f9cbe57391eb58fefa83e19262ef4fcf"`
[INFO] [stderr]    Compiling challenge_258_irc_making_a_connection v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "f306cd865a832044b37694108bc15ad9f9cbe57391eb58fefa83e19262ef4fcf"`
[INFO] running `"docker" "rm" "-f" "f306cd865a832044b37694108bc15ad9f9cbe57391eb58fefa83e19262ef4fcf"`
[INFO] [stdout] f306cd865a832044b37694108bc15ad9f9cbe57391eb58fefa83e19262ef4fcf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client:/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] 886c01392eb923243e4b85db1b5b9db9800421126af12666a2b71c7e51e7a4f2
[INFO] running `"docker" "start" "-a" "886c01392eb923243e4b85db1b5b9db9800421126af12666a2b71c7e51e7a4f2"`
[INFO] [stderr]    Compiling challenge_258_irc_making_a_connection v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "886c01392eb923243e4b85db1b5b9db9800421126af12666a2b71c7e51e7a4f2"`
[INFO] running `"docker" "rm" "-f" "886c01392eb923243e4b85db1b5b9db9800421126af12666a2b71c7e51e7a4f2"`
[INFO] [stdout] 886c01392eb923243e4b85db1b5b9db9800421126af12666a2b71c7e51e7a4f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sindreij/rust_irc_client:/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] ef69dfc26447447e4701072465d078fa5a1fea1390cc6dfb64de5ad5030a3551
[INFO] running `"docker" "start" "-a" "ef69dfc26447447e4701072465d078fa5a1fea1390cc6dfb64de5ad5030a3551"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/challenge_258_irc_making_a_connection-7bf1a698e697e1e4
[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" "ef69dfc26447447e4701072465d078fa5a1fea1390cc6dfb64de5ad5030a3551"`
[INFO] running `"docker" "rm" "-f" "ef69dfc26447447e4701072465d078fa5a1fea1390cc6dfb64de5ad5030a3551"`
[INFO] [stdout] ef69dfc26447447e4701072465d078fa5a1fea1390cc6dfb64de5ad5030a3551