[INFO] cloning repository https://github.com/BingKui/Rust-Learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BingKui/Rust-Learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f5d2d69e7f1b7cacecb9d518edbba92b705a5b4
[INFO] testing BingKui/Rust-Learn against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BingKui/Rust-Learn on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BingKui/Rust-Learn
[INFO] finished tweaking git repo https://github.com/BingKui/Rust-Learn
[INFO] tweaked toml for git repo https://github.com/BingKui/Rust-Learn written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/BingKui/Rust-Learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0661b706352083f904076b4448b9f969d9bfa7096d25eb507e59a201fc9e0457
[INFO] running `Command { std: "docker" "start" "-a" "0661b706352083f904076b4448b9f969d9bfa7096d25eb507e59a201fc9e0457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0661b706352083f904076b4448b9f969d9bfa7096d25eb507e59a201fc9e0457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0661b706352083f904076b4448b9f969d9bfa7096d25eb507e59a201fc9e0457", kill_on_drop: false }`
[INFO] [stdout] 0661b706352083f904076b4448b9f969d9bfa7096d25eb507e59a201fc9e0457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2dfc101c148a09270717a9576771bae4e3aa024ca14e9f89375d92c138699a
[INFO] running `Command { std: "docker" "start" "-a" "5c2dfc101c148a09270717a9576771bae4e3aa024ca14e9f89375d92c138699a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "5c2dfc101c148a09270717a9576771bae4e3aa024ca14e9f89375d92c138699a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2dfc101c148a09270717a9576771bae4e3aa024ca14e9f89375d92c138699a", kill_on_drop: false }`
[INFO] [stdout] 5c2dfc101c148a09270717a9576771bae4e3aa024ca14e9f89375d92c138699a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc3909aab765f89bcc3556c03a4d90afd9b0f08ac2d3d30843defbb2860328d8
[INFO] running `Command { std: "docker" "start" "-a" "fc3909aab765f89bcc3556c03a4d90afd9b0f08ac2d3d30843defbb2860328d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "fc3909aab765f89bcc3556c03a4d90afd9b0f08ac2d3d30843defbb2860328d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3909aab765f89bcc3556c03a4d90afd9b0f08ac2d3d30843defbb2860328d8", kill_on_drop: false }`
[INFO] [stdout] fc3909aab765f89bcc3556c03a4d90afd9b0f08ac2d3d30843defbb2860328d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1da7a23dd3203d0809c4b25276d509d472194de884a76e6d58e7c2371aca7d8
[INFO] running `Command { std: "docker" "start" "-a" "c1da7a23dd3203d0809c4b25276d509d472194de884a76e6d58e7c2371aca7d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-353b2fbb0f423ad0)
[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" "c1da7a23dd3203d0809c4b25276d509d472194de884a76e6d58e7c2371aca7d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1da7a23dd3203d0809c4b25276d509d472194de884a76e6d58e7c2371aca7d8", kill_on_drop: false }`
[INFO] [stdout] c1da7a23dd3203d0809c4b25276d509d472194de884a76e6d58e7c2371aca7d8