[INFO] updating cached repository donaldacmartin/rust_servers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/donaldacmartin/rust_servers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/donaldacmartin/rust_servers" "work/ex/beta-1.38-1/sources/1.37.0/gh/donaldacmartin/rust_servers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/donaldacmartin/rust_servers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/donaldacmartin/rust_servers" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/donaldacmartin/rust_servers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/donaldacmartin/rust_servers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7547384cd6262de244a34f7dc997ea0ddbeb5a92
[INFO] sha for GitHub repo donaldacmartin/rust_servers: 7547384cd6262de244a34f7dc997ea0ddbeb5a92
[INFO] validating manifest of donaldacmartin/rust_servers 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 donaldacmartin/rust_servers 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 donaldacmartin/rust_servers
[INFO] finished frobbing donaldacmartin/rust_servers
[INFO] frobbed toml for donaldacmartin/rust_servers written to work/ex/beta-1.38-1/sources/1.37.0/gh/donaldacmartin/rust_servers/Cargo.toml
[INFO] started frobbing donaldacmartin/rust_servers
[INFO] finished frobbing donaldacmartin/rust_servers
[INFO] frobbed toml for donaldacmartin/rust_servers written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/donaldacmartin/rust_servers/Cargo.toml
[INFO] crate donaldacmartin/rust_servers 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 donaldacmartin/rust_servers 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/donaldacmartin/rust_servers:/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] 67f9c563fb60ede9a7286d68521bc5154051c5f2480a32a4e0be4e053a4181b4
[INFO] running `"docker" "start" "-a" "67f9c563fb60ede9a7286d68521bc5154051c5f2480a32a4e0be4e053a4181b4"`
[INFO] [stderr]    Compiling network v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "67f9c563fb60ede9a7286d68521bc5154051c5f2480a32a4e0be4e053a4181b4"`
[INFO] running `"docker" "rm" "-f" "67f9c563fb60ede9a7286d68521bc5154051c5f2480a32a4e0be4e053a4181b4"`
[INFO] [stdout] 67f9c563fb60ede9a7286d68521bc5154051c5f2480a32a4e0be4e053a4181b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/donaldacmartin/rust_servers:/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] c323b4527c41e52fbeda1de1ce4bbdd6ac7237e1e5a805fbbdbc14c339d2946a
[INFO] running `"docker" "start" "-a" "c323b4527c41e52fbeda1de1ce4bbdd6ac7237e1e5a805fbbdbc14c339d2946a"`
[INFO] [stderr]    Compiling network v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "c323b4527c41e52fbeda1de1ce4bbdd6ac7237e1e5a805fbbdbc14c339d2946a"`
[INFO] running `"docker" "rm" "-f" "c323b4527c41e52fbeda1de1ce4bbdd6ac7237e1e5a805fbbdbc14c339d2946a"`
[INFO] [stdout] c323b4527c41e52fbeda1de1ce4bbdd6ac7237e1e5a805fbbdbc14c339d2946a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/donaldacmartin/rust_servers:/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] 5088dc927bddc63d894f43142ce578711b4c62207a60f289d18cc36359d9104e
[INFO] running `"docker" "start" "-a" "5088dc927bddc63d894f43142ce578711b4c62207a60f289d18cc36359d9104e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chargen-8765b42192812612
[INFO] [stderr]      Running /opt/crater/target/debug/deps/daytime-5e3f5da8a0785e2b
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/discard-c76897359b369c82
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo-993f7c4d1c400e9e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/time-0e7003f1e49fe8f5
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "5088dc927bddc63d894f43142ce578711b4c62207a60f289d18cc36359d9104e"`
[INFO] running `"docker" "rm" "-f" "5088dc927bddc63d894f43142ce578711b4c62207a60f289d18cc36359d9104e"`
[INFO] [stdout] 5088dc927bddc63d894f43142ce578711b4c62207a60f289d18cc36359d9104e