[INFO] cloning repository https://github.com/longhan2109/vbi-subtrate-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/longhan2109/vbi-subtrate-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonghan2109%2Fvbi-subtrate-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonghan2109%2Fvbi-subtrate-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3622e0c5e73ca67a19cd794a6459383fbe657062
[INFO] building longhan2109/vbi-subtrate-learn against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flonghan2109%2Fvbi-subtrate-learn" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/longhan2109/vbi-subtrate-learn
[INFO] finished tweaking git repo https://github.com/longhan2109/vbi-subtrate-learn
[INFO] tweaked toml for git repo https://github.com/longhan2109/vbi-subtrate-learn written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/longhan2109/vbi-subtrate-learn on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/longhan2109/vbi-subtrate-learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 022af34162725a31c5dec2459593862b3f2ee567b0e78749eb8b3f53fd3604e5
[INFO] running `Command { std: "docker" "start" "-a" "022af34162725a31c5dec2459593862b3f2ee567b0e78749eb8b3f53fd3604e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "022af34162725a31c5dec2459593862b3f2ee567b0e78749eb8b3f53fd3604e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022af34162725a31c5dec2459593862b3f2ee567b0e78749eb8b3f53fd3604e5", kill_on_drop: false }`
[INFO] [stdout] 022af34162725a31c5dec2459593862b3f2ee567b0e78749eb8b3f53fd3604e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd9c3843d2a5e84c0037c4c4a1b3445fd90fc95bdff9182c17eba419cc44e85
[INFO] running `Command { std: "docker" "start" "-a" "1fd9c3843d2a5e84c0037c4c4a1b3445fd90fc95bdff9182c17eba419cc44e85", kill_on_drop: false }`
[INFO] [stderr]    Compiling class1-hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "1fd9c3843d2a5e84c0037c4c4a1b3445fd90fc95bdff9182c17eba419cc44e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd9c3843d2a5e84c0037c4c4a1b3445fd90fc95bdff9182c17eba419cc44e85", kill_on_drop: false }`
[INFO] [stdout] 1fd9c3843d2a5e84c0037c4c4a1b3445fd90fc95bdff9182c17eba419cc44e85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f8c5053331bde21e4c334602165c5aa89ea6801968b7586975c8d219367009
[INFO] running `Command { std: "docker" "start" "-a" "d7f8c5053331bde21e4c334602165c5aa89ea6801968b7586975c8d219367009", kill_on_drop: false }`
[INFO] [stderr]    Compiling class1-hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d7f8c5053331bde21e4c334602165c5aa89ea6801968b7586975c8d219367009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f8c5053331bde21e4c334602165c5aa89ea6801968b7586975c8d219367009", kill_on_drop: false }`
[INFO] [stdout] d7f8c5053331bde21e4c334602165c5aa89ea6801968b7586975c8d219367009