[INFO] cloning repository https://github.com/tobiasmoldan/echo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobiasmoldan/echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobiasmoldan%2Fecho-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobiasmoldan%2Fecho-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 058f5ec6441f879eee06bfa597a0a8c75342f6c2
[INFO] testing tobiasmoldan/echo-server against beta-2021-08-22 for beta-1.55-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobiasmoldan%2Fecho-server" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tobiasmoldan/echo-server on toolchain beta-2021-08-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tobiasmoldan/echo-server
[INFO] finished tweaking git repo https://github.com/tobiasmoldan/echo-server
[INFO] tweaked toml for git repo https://github.com/tobiasmoldan/echo-server written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tobiasmoldan/echo-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c2565b536cde6ba6ea5072775892c8e42e5ede4ff641a888bf00e27c06cf7d2
[INFO] running `Command { std: "docker" "start" "-a" "1c2565b536cde6ba6ea5072775892c8e42e5ede4ff641a888bf00e27c06cf7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2565b536cde6ba6ea5072775892c8e42e5ede4ff641a888bf00e27c06cf7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2565b536cde6ba6ea5072775892c8e42e5ede4ff641a888bf00e27c06cf7d2", kill_on_drop: false }`
[INFO] [stdout] 1c2565b536cde6ba6ea5072775892c8e42e5ede4ff641a888bf00e27c06cf7d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc46a68c132927946a82db05002c193d12737b55b81ac2df5f27197b064d6ba9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc46a68c132927946a82db05002c193d12737b55b81ac2df5f27197b064d6ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling multipart v0.17.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "dc46a68c132927946a82db05002c193d12737b55b81ac2df5f27197b064d6ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc46a68c132927946a82db05002c193d12737b55b81ac2df5f27197b064d6ba9", kill_on_drop: false }`
[INFO] [stdout] dc46a68c132927946a82db05002c193d12737b55b81ac2df5f27197b064d6ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1bba58f09e006cd57609faadad8b418cc3d61c7f81abc25d4f88255d9ca1275
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1bba58f09e006cd57609faadad8b418cc3d61c7f81abc25d4f88255d9ca1275", kill_on_drop: false }`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "d1bba58f09e006cd57609faadad8b418cc3d61c7f81abc25d4f88255d9ca1275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bba58f09e006cd57609faadad8b418cc3d61c7f81abc25d4f88255d9ca1275", kill_on_drop: false }`
[INFO] [stdout] d1bba58f09e006cd57609faadad8b418cc3d61c7f81abc25d4f88255d9ca1275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6061589f04ff2e0d05b98ad64cf94857c6ae72232002ae9d8e1d735ace4370c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6061589f04ff2e0d05b98ad64cf94857c6ae72232002ae9d8e1d735ace4370c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_server-1ec5ae487109363f)
[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" "6061589f04ff2e0d05b98ad64cf94857c6ae72232002ae9d8e1d735ace4370c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6061589f04ff2e0d05b98ad64cf94857c6ae72232002ae9d8e1d735ace4370c1", kill_on_drop: false }`
[INFO] [stdout] 6061589f04ff2e0d05b98ad64cf94857c6ae72232002ae9d8e1d735ace4370c1