[INFO] cloning repository https://github.com/dbrgn/echo-server-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbrgn/echo-server-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fecho-server-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fecho-server-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba5bbd1aab509339285efb6443e9727960d9b112
[INFO] testing dbrgn/echo-server-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fecho-server-rs" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbrgn/echo-server-rs 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/dbrgn/echo-server-rs
[INFO] finished tweaking git repo https://github.com/dbrgn/echo-server-rs
[INFO] tweaked toml for git repo https://github.com/dbrgn/echo-server-rs written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/dbrgn/echo-server-rs 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] [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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] bd15c7afafba6bf40031b869c249d6eadd1ec5df054b97e98d8c530e88274678
[INFO] running `Command { std: "docker" "start" "-a" "bd15c7afafba6bf40031b869c249d6eadd1ec5df054b97e98d8c530e88274678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd15c7afafba6bf40031b869c249d6eadd1ec5df054b97e98d8c530e88274678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd15c7afafba6bf40031b869c249d6eadd1ec5df054b97e98d8c530e88274678", kill_on_drop: false }`
[INFO] [stdout] bd15c7afafba6bf40031b869c249d6eadd1ec5df054b97e98d8c530e88274678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 7d50ab4151fbce3e2351142d9e16ff2d678d266c6b1e0478cfdf460c87828294
[INFO] running `Command { std: "docker" "start" "-a" "7d50ab4151fbce3e2351142d9e16ff2d678d266c6b1e0478cfdf460c87828294", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.7.2
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling strsim v0.4.0
[INFO] [stderr]    Compiling clap v2.1.2
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `Command { std: "docker" "inspect" "7d50ab4151fbce3e2351142d9e16ff2d678d266c6b1e0478cfdf460c87828294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d50ab4151fbce3e2351142d9e16ff2d678d266c6b1e0478cfdf460c87828294", kill_on_drop: false }`
[INFO] [stdout] 7d50ab4151fbce3e2351142d9e16ff2d678d266c6b1e0478cfdf460c87828294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 17dd3b387b652aad2ac8e6f3f1b60de792ad7943a50764cd6817af042b82232d
[INFO] running `Command { std: "docker" "start" "-a" "17dd3b387b652aad2ac8e6f3f1b60de792ad7943a50764cd6817af042b82232d", kill_on_drop: false }`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "17dd3b387b652aad2ac8e6f3f1b60de792ad7943a50764cd6817af042b82232d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17dd3b387b652aad2ac8e6f3f1b60de792ad7943a50764cd6817af042b82232d", kill_on_drop: false }`
[INFO] [stdout] 17dd3b387b652aad2ac8e6f3f1b60de792ad7943a50764cd6817af042b82232d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] cf04ef7704a001ddf0f8fd44df8dc9380ad316aa7176f17cf1c36e59fc6842bb
[INFO] running `Command { std: "docker" "start" "-a" "cf04ef7704a001ddf0f8fd44df8dc9380ad316aa7176f17cf1c36e59fc6842bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.87s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echo_server-1bd52e30b201fa04)
[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" "cf04ef7704a001ddf0f8fd44df8dc9380ad316aa7176f17cf1c36e59fc6842bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf04ef7704a001ddf0f8fd44df8dc9380ad316aa7176f17cf1c36e59fc6842bb", kill_on_drop: false }`
[INFO] [stdout] cf04ef7704a001ddf0f8fd44df8dc9380ad316aa7176f17cf1c36e59fc6842bb