[INFO] cloning repository https://github.com/FauxFaux/async-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/async-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fasync-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fasync-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8432629d5706f683192a043251403b3b4a53b0d
[INFO] testing FauxFaux/async-echo against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fasync-echo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/async-echo on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FauxFaux/async-echo
[INFO] finished tweaking git repo https://github.com/FauxFaux/async-echo
[INFO] tweaked toml for git repo https://github.com/FauxFaux/async-echo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/async-echo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.3
[INFO] [stderr]   Downloaded futures-executor v0.3.3
[INFO] [stderr]   Downloaded futures-core v0.3.3
[INFO] [stderr]   Downloaded futures-sink v0.3.3
[INFO] [stderr]   Downloaded futures-util v0.3.3
[INFO] [stderr]   Downloaded futures-channel v0.3.3
[INFO] [stderr]   Downloaded futures-io v0.3.3
[INFO] [stderr]   Downloaded futures v0.3.3
[INFO] [stderr]   Downloaded futures-task v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] efe3789258585749a71384b43e8beb7dda01c3ee3f69995686f1ff91b77ba59c
[INFO] running `Command { std: "docker" "start" "-a" "efe3789258585749a71384b43e8beb7dda01c3ee3f69995686f1ff91b77ba59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efe3789258585749a71384b43e8beb7dda01c3ee3f69995686f1ff91b77ba59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe3789258585749a71384b43e8beb7dda01c3ee3f69995686f1ff91b77ba59c", kill_on_drop: false }`
[INFO] [stdout] efe3789258585749a71384b43e8beb7dda01c3ee3f69995686f1ff91b77ba59c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] a1d228e7eea7c4089f74a902f0386116c014ab1f74a806d5d7c0b01403cdde03
[INFO] running `Command { std: "docker" "start" "-a" "a1d228e7eea7c4089f74a902f0386116c014ab1f74a806d5d7c0b01403cdde03", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling futures-core v0.3.3
[INFO] [stderr]    Compiling futures-io v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling futures-task v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.3
[INFO] [stderr]    Compiling futures-executor v0.3.3
[INFO] [stderr]    Compiling futures v0.3.3
[INFO] [stderr]    Compiling async-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "a1d228e7eea7c4089f74a902f0386116c014ab1f74a806d5d7c0b01403cdde03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d228e7eea7c4089f74a902f0386116c014ab1f74a806d5d7c0b01403cdde03", kill_on_drop: false }`
[INFO] [stdout] a1d228e7eea7c4089f74a902f0386116c014ab1f74a806d5d7c0b01403cdde03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 160dfdc4d2ea52d9890150c31ede5af2da3af6945923d789bc0e91ee1f96ffeb
[INFO] running `Command { std: "docker" "start" "-a" "160dfdc4d2ea52d9890150c31ede5af2da3af6945923d789bc0e91ee1f96ffeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "160dfdc4d2ea52d9890150c31ede5af2da3af6945923d789bc0e91ee1f96ffeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160dfdc4d2ea52d9890150c31ede5af2da3af6945923d789bc0e91ee1f96ffeb", kill_on_drop: false }`
[INFO] [stdout] 160dfdc4d2ea52d9890150c31ede5af2da3af6945923d789bc0e91ee1f96ffeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 667e703121370f4338e6d9ae081a1fc31b41b2817784868f2b28ccbd8b39b121
[INFO] running `Command { std: "docker" "start" "-a" "667e703121370f4338e6d9ae081a1fc31b41b2817784868f2b28ccbd8b39b121", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_echo-9008ea2ed419dd9b)
[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" "667e703121370f4338e6d9ae081a1fc31b41b2817784868f2b28ccbd8b39b121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667e703121370f4338e6d9ae081a1fc31b41b2817784868f2b28ccbd8b39b121", kill_on_drop: false }`
[INFO] [stdout] 667e703121370f4338e6d9ae081a1fc31b41b2817784868f2b28ccbd8b39b121