[INFO] updating cached repository siranliu/project_chat_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/siranliu/project_chat_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/siranliu/project_chat_server" "work/ex/beta-1.37-6/sources/1.36.0/gh/siranliu/project_chat_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/siranliu/project_chat_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/siranliu/project_chat_server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/siranliu/project_chat_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/siranliu/project_chat_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 322d4ed9a38986878aca3f02b3558798dd91df34
[INFO] sha for GitHub repo siranliu/project_chat_server: 322d4ed9a38986878aca3f02b3558798dd91df34
[INFO] validating manifest of siranliu/project_chat_server 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 siranliu/project_chat_server 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 siranliu/project_chat_server
[INFO] finished frobbing siranliu/project_chat_server
[INFO] frobbed toml for siranliu/project_chat_server written to work/ex/beta-1.37-6/sources/1.36.0/gh/siranliu/project_chat_server/Cargo.toml
[INFO] started frobbing siranliu/project_chat_server
[INFO] finished frobbing siranliu/project_chat_server
[INFO] frobbed toml for siranliu/project_chat_server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/siranliu/project_chat_server/Cargo.toml
[INFO] crate siranliu/project_chat_server 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/siranliu/project_chat_server/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing siranliu/project_chat_server 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/siranliu/project_chat_server:/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] 5bfa4fffe8638f06b983bbb244a7cf849537f03276f1048120a0e4267f8193e6
[INFO] running `"docker" "start" "-a" "5bfa4fffe8638f06b983bbb244a7cf849537f03276f1048120a0e4267f8193e6"`
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling project_chat_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `"docker" "inspect" "5bfa4fffe8638f06b983bbb244a7cf849537f03276f1048120a0e4267f8193e6"`
[INFO] running `"docker" "rm" "-f" "5bfa4fffe8638f06b983bbb244a7cf849537f03276f1048120a0e4267f8193e6"`
[INFO] [stdout] 5bfa4fffe8638f06b983bbb244a7cf849537f03276f1048120a0e4267f8193e6
[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/siranliu/project_chat_server:/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] 9e5900adba74e079136e925ba2687998cf0064fc83c625dfc5ce45e6c7c0c5b5
[INFO] running `"docker" "start" "-a" "9e5900adba74e079136e925ba2687998cf0064fc83c625dfc5ce45e6c7c0c5b5"`
[INFO] [stderr]    Compiling project_chat_server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "9e5900adba74e079136e925ba2687998cf0064fc83c625dfc5ce45e6c7c0c5b5"`
[INFO] running `"docker" "rm" "-f" "9e5900adba74e079136e925ba2687998cf0064fc83c625dfc5ce45e6c7c0c5b5"`
[INFO] [stdout] 9e5900adba74e079136e925ba2687998cf0064fc83c625dfc5ce45e6c7c0c5b5
[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/siranliu/project_chat_server:/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] 6668036d5fbced42f96df06cc2782b0af749353e8773308b2e349a7139f3359e
[INFO] running `"docker" "start" "-a" "6668036d5fbced42f96df06cc2782b0af749353e8773308b2e349a7139f3359e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/project_chat_server-780168e778afc34b
[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" "6668036d5fbced42f96df06cc2782b0af749353e8773308b2e349a7139f3359e"`
[INFO] running `"docker" "rm" "-f" "6668036d5fbced42f96df06cc2782b0af749353e8773308b2e349a7139f3359e"`
[INFO] [stdout] 6668036d5fbced42f96df06cc2782b0af749353e8773308b2e349a7139f3359e