[INFO] cloning repository https://github.com/bananaumai/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/bananaumai/echo_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananaumai%2Fecho_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananaumai%2Fecho_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31a25c1f80fabbcbf0a8739433af066f7b0cfe5e
[INFO] checking bananaumai/echo_server against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbananaumai%2Fecho_server" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bananaumai/echo_server on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bananaumai/echo_server
[INFO] finished tweaking git repo https://github.com/bananaumai/echo_server
[INFO] tweaked toml for git repo https://github.com/bananaumai/echo_server written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/bananaumai/echo_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c17ee4df1aa807bd8a92480b787932e9aca5d0f0a7d41304590c6cdb72ec643
[INFO] running `Command { std: "docker" "start" "-a" "2c17ee4df1aa807bd8a92480b787932e9aca5d0f0a7d41304590c6cdb72ec643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c17ee4df1aa807bd8a92480b787932e9aca5d0f0a7d41304590c6cdb72ec643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c17ee4df1aa807bd8a92480b787932e9aca5d0f0a7d41304590c6cdb72ec643", kill_on_drop: false }`
[INFO] [stdout] 2c17ee4df1aa807bd8a92480b787932e9aca5d0f0a7d41304590c6cdb72ec643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e2a702bc6e19f35af554ecd3d7117ed07579ac49481b2a2839aa87e6b7a726f
[INFO] running `Command { std: "docker" "start" "-a" "5e2a702bc6e19f35af554ecd3d7117ed07579ac49481b2a2839aa87e6b7a726f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking echo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.92s
[INFO] running `Command { std: "docker" "inspect" "5e2a702bc6e19f35af554ecd3d7117ed07579ac49481b2a2839aa87e6b7a726f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2a702bc6e19f35af554ecd3d7117ed07579ac49481b2a2839aa87e6b7a726f", kill_on_drop: false }`
[INFO] [stdout] 5e2a702bc6e19f35af554ecd3d7117ed07579ac49481b2a2839aa87e6b7a726f