[INFO] cloning repository https://github.com/agoodstart/tokio-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/agoodstart/tokio-chat-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Ftokio-chat-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Ftokio-chat-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4631b8e5e42a07ca5344913089b5ad0b9afa4239
[INFO] testing agoodstart/tokio-chat-server against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagoodstart%2Ftokio-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/agoodstart/tokio-chat-server on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agoodstart/tokio-chat-server
[INFO] finished tweaking git repo https://github.com/agoodstart/tokio-chat-server
[INFO] tweaked toml for git repo https://github.com/agoodstart/tokio-chat-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/agoodstart/tokio-chat-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26e13658e60119908bb00538e2d91b6205c153ee074160debf0a15d3ccd032b8
[INFO] running `Command { std: "docker" "start" "-a" "26e13658e60119908bb00538e2d91b6205c153ee074160debf0a15d3ccd032b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26e13658e60119908bb00538e2d91b6205c153ee074160debf0a15d3ccd032b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e13658e60119908bb00538e2d91b6205c153ee074160debf0a15d3ccd032b8", kill_on_drop: false }`
[INFO] [stdout] 26e13658e60119908bb00538e2d91b6205c153ee074160debf0a15d3ccd032b8
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39544e4446d9f403bf6b28f917c35e9e920cb0313bb1868b85b342038d186937
[INFO] running `Command { std: "docker" "start" "-a" "39544e4446d9f403bf6b28f917c35e9e920cb0313bb1868b85b342038d186937", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling tokio_chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.38s
[INFO] running `Command { std: "docker" "inspect" "39544e4446d9f403bf6b28f917c35e9e920cb0313bb1868b85b342038d186937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39544e4446d9f403bf6b28f917c35e9e920cb0313bb1868b85b342038d186937", kill_on_drop: false }`
[INFO] [stdout] 39544e4446d9f403bf6b28f917c35e9e920cb0313bb1868b85b342038d186937
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de7be514a4f4ed7c388797fe06f318bcff35ce25ebe529697057675a126a7984
[INFO] running `Command { std: "docker" "start" "-a" "de7be514a4f4ed7c388797fe06f318bcff35ce25ebe529697057675a126a7984", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio_chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "de7be514a4f4ed7c388797fe06f318bcff35ce25ebe529697057675a126a7984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7be514a4f4ed7c388797fe06f318bcff35ce25ebe529697057675a126a7984", kill_on_drop: false }`
[INFO] [stdout] de7be514a4f4ed7c388797fe06f318bcff35ce25ebe529697057675a126a7984
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9950ecb199a84b990cdfcf40031b57efbe848e0dd0f0196895fe6ea33b4eb2e
[INFO] running `Command { std: "docker" "start" "-a" "e9950ecb199a84b990cdfcf40031b57efbe848e0dd0f0196895fe6ea33b4eb2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.79s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tokio_chat_server-f5a04b2818ea307c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9950ecb199a84b990cdfcf40031b57efbe848e0dd0f0196895fe6ea33b4eb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9950ecb199a84b990cdfcf40031b57efbe848e0dd0f0196895fe6ea33b4eb2e", kill_on_drop: false }`
[INFO] [stdout] e9950ecb199a84b990cdfcf40031b57efbe848e0dd0f0196895fe6ea33b4eb2e