[INFO] cloning repository https://github.com/t3xhno/Learn_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t3xhno/Learn_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft3xhno%2FLearn_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft3xhno%2FLearn_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a86bfb7932bc774e3fa35e7dfcb4c484bd7195e
[INFO] testing t3xhno/Learn_Rust 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%2Ft3xhno%2FLearn_Rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t3xhno/Learn_Rust 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/t3xhno/Learn_Rust
[INFO] finished tweaking git repo https://github.com/t3xhno/Learn_Rust
[INFO] tweaked toml for git repo https://github.com/t3xhno/Learn_Rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/t3xhno/Learn_Rust 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] af1d2ddd1bad4ebca2b858eabd75b4a3be8891e00d0886d34443ea81b06a14d2
[INFO] running `Command { std: "docker" "start" "-a" "af1d2ddd1bad4ebca2b858eabd75b4a3be8891e00d0886d34443ea81b06a14d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af1d2ddd1bad4ebca2b858eabd75b4a3be8891e00d0886d34443ea81b06a14d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1d2ddd1bad4ebca2b858eabd75b4a3be8891e00d0886d34443ea81b06a14d2", kill_on_drop: false }`
[INFO] [stdout] af1d2ddd1bad4ebca2b858eabd75b4a3be8891e00d0886d34443ea81b06a14d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 999c6f921b8c2c2eb849bb274a23c120bc5b4e5cbf70f2b6d89e9036625bbcdd
[INFO] running `Command { std: "docker" "start" "-a" "999c6f921b8c2c2eb849bb274a23c120bc5b4e5cbf70f2b6d89e9036625bbcdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "999c6f921b8c2c2eb849bb274a23c120bc5b4e5cbf70f2b6d89e9036625bbcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999c6f921b8c2c2eb849bb274a23c120bc5b4e5cbf70f2b6d89e9036625bbcdd", kill_on_drop: false }`
[INFO] [stdout] 999c6f921b8c2c2eb849bb274a23c120bc5b4e5cbf70f2b6d89e9036625bbcdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 19ade5acc0cde8cb713f625b7c4025f988835153e7a04132fb64417664b5aca2
[INFO] running `Command { std: "docker" "start" "-a" "19ade5acc0cde8cb713f625b7c4025f988835153e7a04132fb64417664b5aca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "19ade5acc0cde8cb713f625b7c4025f988835153e7a04132fb64417664b5aca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ade5acc0cde8cb713f625b7c4025f988835153e7a04132fb64417664b5aca2", kill_on_drop: false }`
[INFO] [stdout] 19ade5acc0cde8cb713f625b7c4025f988835153e7a04132fb64417664b5aca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 674194bde3d4c2f7cce47620fd4f26c8eb5eb25a8d0990a1e16cfc679ce6ce1d
[INFO] running `Command { std: "docker" "start" "-a" "674194bde3d4c2f7cce47620fd4f26c8eb5eb25a8d0990a1e16cfc679ce6ce1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-29f38600240a884a)
[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" "674194bde3d4c2f7cce47620fd4f26c8eb5eb25a8d0990a1e16cfc679ce6ce1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674194bde3d4c2f7cce47620fd4f26c8eb5eb25a8d0990a1e16cfc679ce6ce1d", kill_on_drop: false }`
[INFO] [stdout] 674194bde3d4c2f7cce47620fd4f26c8eb5eb25a8d0990a1e16cfc679ce6ce1d