[INFO] cloning repository https://github.com/siranliu/project_chat_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/siranliu/project_chat_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiranliu%2Fproject_chat_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiranliu%2Fproject_chat_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 322d4ed9a38986878aca3f02b3558798dd91df34
[INFO] testing siranliu/project_chat_server against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiranliu%2Fproject_chat_server" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/siranliu/project_chat_server on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/siranliu/project_chat_server
[INFO] finished tweaking git repo https://github.com/siranliu/project_chat_server
[INFO] tweaked toml for git repo https://github.com/siranliu/project_chat_server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/siranliu/project_chat_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d230cfbe7f9da0d0fd612b73826691445747b378ced621c53c215f4c11ea7f7
[INFO] running `Command { std: "docker" "start" "-a" "5d230cfbe7f9da0d0fd612b73826691445747b378ced621c53c215f4c11ea7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d230cfbe7f9da0d0fd612b73826691445747b378ced621c53c215f4c11ea7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d230cfbe7f9da0d0fd612b73826691445747b378ced621c53c215f4c11ea7f7", kill_on_drop: false }`
[INFO] [stdout] 5d230cfbe7f9da0d0fd612b73826691445747b378ced621c53c215f4c11ea7f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c9c4f71704d1a320e9b06dc8c3980523c67641c2520933412e914c7bbcda9f
[INFO] running `Command { std: "docker" "start" "-a" "64c9c4f71704d1a320e9b06dc8c3980523c67641c2520933412e914c7bbcda9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling chan v0.1.14
[INFO] [stderr]    Compiling project_chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "64c9c4f71704d1a320e9b06dc8c3980523c67641c2520933412e914c7bbcda9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c9c4f71704d1a320e9b06dc8c3980523c67641c2520933412e914c7bbcda9f", kill_on_drop: false }`
[INFO] [stdout] 64c9c4f71704d1a320e9b06dc8c3980523c67641c2520933412e914c7bbcda9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f3ce59aa5b7ee4a26f448daef30bf5b93c796681419e1c4a3ae61aab1b2a120
[INFO] running `Command { std: "docker" "start" "-a" "3f3ce59aa5b7ee4a26f448daef30bf5b93c796681419e1c4a3ae61aab1b2a120", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "3f3ce59aa5b7ee4a26f448daef30bf5b93c796681419e1c4a3ae61aab1b2a120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3ce59aa5b7ee4a26f448daef30bf5b93c796681419e1c4a3ae61aab1b2a120", kill_on_drop: false }`
[INFO] [stdout] 3f3ce59aa5b7ee4a26f448daef30bf5b93c796681419e1c4a3ae61aab1b2a120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35b6a2f03f43bb2365ec252ea3fbf2fca821fc0e42c9b9eaed136029f66febca
[INFO] running `Command { std: "docker" "start" "-a" "35b6a2f03f43bb2365ec252ea3fbf2fca821fc0e42c9b9eaed136029f66febca", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/project_chat_server-ef954c65834b14b8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35b6a2f03f43bb2365ec252ea3fbf2fca821fc0e42c9b9eaed136029f66febca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b6a2f03f43bb2365ec252ea3fbf2fca821fc0e42c9b9eaed136029f66febca", kill_on_drop: false }`
[INFO] [stdout] 35b6a2f03f43bb2365ec252ea3fbf2fca821fc0e42c9b9eaed136029f66febca