[INFO] cloning repository https://github.com/bhavya95/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhavya95/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhavya95%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhavya95%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8b4a2d08c4675943a09aa818ced37c3e043585a
[INFO] testing bhavya95/rust_practice 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%2Fbhavya95%2Frust_practice" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bhavya95/rust_practice 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/bhavya95/rust_practice
[INFO] finished tweaking git repo https://github.com/bhavya95/rust_practice
[INFO] tweaked toml for git repo https://github.com/bhavya95/rust_practice written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/bhavya95/rust_practice 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45d0e866b2e2461829bc908a3b94137b4ff11ef90f66f4ad9ea8742a0a398e4
[INFO] running `Command { std: "docker" "start" "-a" "a45d0e866b2e2461829bc908a3b94137b4ff11ef90f66f4ad9ea8742a0a398e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45d0e866b2e2461829bc908a3b94137b4ff11ef90f66f4ad9ea8742a0a398e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45d0e866b2e2461829bc908a3b94137b4ff11ef90f66f4ad9ea8742a0a398e4", kill_on_drop: false }`
[INFO] [stdout] a45d0e866b2e2461829bc908a3b94137b4ff11ef90f66f4ad9ea8742a0a398e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3eeed1609fc4099a9f170a59571b5b1c7b9847c809ff418f3b2da7533e45c2
[INFO] running `Command { std: "docker" "start" "-a" "ec3eeed1609fc4099a9f170a59571b5b1c7b9847c809ff418f3b2da7533e45c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ec3eeed1609fc4099a9f170a59571b5b1c7b9847c809ff418f3b2da7533e45c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3eeed1609fc4099a9f170a59571b5b1c7b9847c809ff418f3b2da7533e45c2", kill_on_drop: false }`
[INFO] [stdout] ec3eeed1609fc4099a9f170a59571b5b1c7b9847c809ff418f3b2da7533e45c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffa3b8843241da66ee4fa4f07e005401ea0688fcbdbcdc8430779f6e793b7316
[INFO] running `Command { std: "docker" "start" "-a" "ffa3b8843241da66ee4fa4f07e005401ea0688fcbdbcdc8430779f6e793b7316", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sandbox-29f38600240a884a)
[INFO] running `Command { std: "docker" "inspect" "ffa3b8843241da66ee4fa4f07e005401ea0688fcbdbcdc8430779f6e793b7316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa3b8843241da66ee4fa4f07e005401ea0688fcbdbcdc8430779f6e793b7316", kill_on_drop: false }`
[INFO] [stdout] ffa3b8843241da66ee4fa4f07e005401ea0688fcbdbcdc8430779f6e793b7316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca25b58e1065506e91b1866248102a259590ba59e5d3903f990f94617345a3f8
[INFO] running `Command { std: "docker" "start" "-a" "ca25b58e1065506e91b1866248102a259590ba59e5d3903f990f94617345a3f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/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" "ca25b58e1065506e91b1866248102a259590ba59e5d3903f990f94617345a3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca25b58e1065506e91b1866248102a259590ba59e5d3903f990f94617345a3f8", kill_on_drop: false }`
[INFO] [stdout] ca25b58e1065506e91b1866248102a259590ba59e5d3903f990f94617345a3f8