[INFO] cloning repository https://github.com/discipleian/rustlrn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/discipleian/rustlrn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscipleian%2Frustlrn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscipleian%2Frustlrn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ce9c0959426641b3e75c4c5af10938518002700
[INFO] testing discipleian/rustlrn against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiscipleian%2Frustlrn" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/discipleian/rustlrn on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/discipleian/rustlrn
[INFO] finished tweaking git repo https://github.com/discipleian/rustlrn
[INFO] tweaked toml for git repo https://github.com/discipleian/rustlrn written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/discipleian/rustlrn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4174073fd81a1a6c1cd5f519dbb04232796cb5c1c6f8441407dadf75475df31e
[INFO] running `Command { std: "docker" "start" "-a" "4174073fd81a1a6c1cd5f519dbb04232796cb5c1c6f8441407dadf75475df31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4174073fd81a1a6c1cd5f519dbb04232796cb5c1c6f8441407dadf75475df31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4174073fd81a1a6c1cd5f519dbb04232796cb5c1c6f8441407dadf75475df31e", kill_on_drop: false }`
[INFO] [stdout] 4174073fd81a1a6c1cd5f519dbb04232796cb5c1c6f8441407dadf75475df31e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb70126499b7da6ef56a570e4af2feda34182e74d235a7093337f4d030bd190b
[INFO] running `Command { std: "docker" "start" "-a" "eb70126499b7da6ef56a570e4af2feda34182e74d235a7093337f4d030bd190b", kill_on_drop: false }`
[INFO] [stderr]    Compiling echosrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "eb70126499b7da6ef56a570e4af2feda34182e74d235a7093337f4d030bd190b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb70126499b7da6ef56a570e4af2feda34182e74d235a7093337f4d030bd190b", kill_on_drop: false }`
[INFO] [stdout] eb70126499b7da6ef56a570e4af2feda34182e74d235a7093337f4d030bd190b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9e53990146d925a25cc345f24aa2b071c4f25e2f2068de8cad810cad34ae8bf
[INFO] running `Command { std: "docker" "start" "-a" "a9e53990146d925a25cc345f24aa2b071c4f25e2f2068de8cad810cad34ae8bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling echosrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "a9e53990146d925a25cc345f24aa2b071c4f25e2f2068de8cad810cad34ae8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e53990146d925a25cc345f24aa2b071c4f25e2f2068de8cad810cad34ae8bf", kill_on_drop: false }`
[INFO] [stdout] a9e53990146d925a25cc345f24aa2b071c4f25e2f2068de8cad810cad34ae8bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 097a8aeb452ba9206d12add7b257bbdd4cc8a02a6ed45160e97743e9f6d61742
[INFO] running `Command { std: "docker" "start" "-a" "097a8aeb452ba9206d12add7b257bbdd4cc8a02a6ed45160e97743e9f6d61742", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/echosrv-712ee39c4d6d1e1b)
[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" "097a8aeb452ba9206d12add7b257bbdd4cc8a02a6ed45160e97743e9f6d61742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097a8aeb452ba9206d12add7b257bbdd4cc8a02a6ed45160e97743e9f6d61742", kill_on_drop: false }`
[INFO] [stdout] 097a8aeb452ba9206d12add7b257bbdd4cc8a02a6ed45160e97743e9f6d61742