[INFO] cloning repository https://github.com/rock117/substrate-course-exercise4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rock117/substrate-course-exercise4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frock117%2Fsubstrate-course-exercise4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frock117%2Fsubstrate-course-exercise4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a83eb9334c039ac86d9f41d0ad85f7616eccf456
[INFO] testing rock117/substrate-course-exercise4 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frock117%2Fsubstrate-course-exercise4" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rock117/substrate-course-exercise4 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rock117/substrate-course-exercise4
[INFO] finished tweaking git repo https://github.com/rock117/substrate-course-exercise4
[INFO] tweaked toml for git repo https://github.com/rock117/substrate-course-exercise4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rock117/substrate-course-exercise4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00bd2242422dc9140a9432e80348b8d7be40468b9eb2d7b2134fc8ecfefad016
[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" "00bd2242422dc9140a9432e80348b8d7be40468b9eb2d7b2134fc8ecfefad016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00bd2242422dc9140a9432e80348b8d7be40468b9eb2d7b2134fc8ecfefad016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bd2242422dc9140a9432e80348b8d7be40468b9eb2d7b2134fc8ecfefad016", kill_on_drop: false }`
[INFO] [stdout] 00bd2242422dc9140a9432e80348b8d7be40468b9eb2d7b2134fc8ecfefad016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a02ab7f57935355554a01ff78c299fd9d2d303b8070cb7e666168992c7b9e52
[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" "8a02ab7f57935355554a01ff78c299fd9d2d303b8070cb7e666168992c7b9e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling substrate-course-exercise4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "8a02ab7f57935355554a01ff78c299fd9d2d303b8070cb7e666168992c7b9e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a02ab7f57935355554a01ff78c299fd9d2d303b8070cb7e666168992c7b9e52", kill_on_drop: false }`
[INFO] [stdout] 8a02ab7f57935355554a01ff78c299fd9d2d303b8070cb7e666168992c7b9e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "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] fd9807feeff4d266318190a28f3df33715212effd59b4194ad3f74ab599569ed
[INFO] running `Command { std: "docker" "start" "-a" "fd9807feeff4d266318190a28f3df33715212effd59b4194ad3f74ab599569ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling substrate-course-exercise4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/substrate_course_exercise4-4fdde90e88cc7978)
[INFO] running `Command { std: "docker" "inspect" "fd9807feeff4d266318190a28f3df33715212effd59b4194ad3f74ab599569ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9807feeff4d266318190a28f3df33715212effd59b4194ad3f74ab599569ed", kill_on_drop: false }`
[INFO] [stdout] fd9807feeff4d266318190a28f3df33715212effd59b4194ad3f74ab599569ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2022-04-10" "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] e721704ac81c96f6cef096cbc50a6bbc3221a6e37bbc62e2f05a5a52c6a530cd
[INFO] running `Command { std: "docker" "start" "-a" "e721704ac81c96f6cef096cbc50a6bbc3221a6e37bbc62e2f05a5a52c6a530cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/substrate_course_exercise4-4fdde90e88cc7978)
[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" "e721704ac81c96f6cef096cbc50a6bbc3221a6e37bbc62e2f05a5a52c6a530cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e721704ac81c96f6cef096cbc50a6bbc3221a6e37bbc62e2f05a5a52c6a530cd", kill_on_drop: false }`
[INFO] [stdout] e721704ac81c96f6cef096cbc50a6bbc3221a6e37bbc62e2f05a5a52c6a530cd