[INFO] cloning repository https://github.com/valmiki20/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/valmiki20/rust_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalmiki20%2Frust_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalmiki20%2Frust_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f89dc3948be9320d79748a9c161ee4846651b77
[INFO] testing valmiki20/rust_learn against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalmiki20%2Frust_learn" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valmiki20/rust_learn on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/valmiki20/rust_learn
[INFO] finished tweaking git repo https://github.com/valmiki20/rust_learn
[INFO] tweaked toml for git repo https://github.com/valmiki20/rust_learn written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/valmiki20/rust_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c77264aba33602ea886a7de291d4554aa06f21bf5c1c6c14b19aefdb2fff1dce
[INFO] running `Command { std: "docker" "start" "-a" "c77264aba33602ea886a7de291d4554aa06f21bf5c1c6c14b19aefdb2fff1dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c77264aba33602ea886a7de291d4554aa06f21bf5c1c6c14b19aefdb2fff1dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77264aba33602ea886a7de291d4554aa06f21bf5c1c6c14b19aefdb2fff1dce", kill_on_drop: false }`
[INFO] [stdout] c77264aba33602ea886a7de291d4554aa06f21bf5c1c6c14b19aefdb2fff1dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4e8c6622a451d7d6260c826fd79a0768e6a3fc6f9f5fca377ea66e51556bff6
[INFO] running `Command { std: "docker" "start" "-a" "c4e8c6622a451d7d6260c826fd79a0768e6a3fc6f9f5fca377ea66e51556bff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "c4e8c6622a451d7d6260c826fd79a0768e6a3fc6f9f5fca377ea66e51556bff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e8c6622a451d7d6260c826fd79a0768e6a3fc6f9f5fca377ea66e51556bff6", kill_on_drop: false }`
[INFO] [stdout] c4e8c6622a451d7d6260c826fd79a0768e6a3fc6f9f5fca377ea66e51556bff6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4b165323cadb253b1ce0068366b708223e37bce95d50400ccf4fa47d003080
[INFO] running `Command { std: "docker" "start" "-a" "ec4b165323cadb253b1ce0068366b708223e37bce95d50400ccf4fa47d003080", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ec4b165323cadb253b1ce0068366b708223e37bce95d50400ccf4fa47d003080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4b165323cadb253b1ce0068366b708223e37bce95d50400ccf4fa47d003080", kill_on_drop: false }`
[INFO] [stdout] ec4b165323cadb253b1ce0068366b708223e37bce95d50400ccf4fa47d003080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e95c9c1819a0fefd1614a8144309b4e889fb7d7bb79f55d7ea16c2034513c91d
[INFO] running `Command { std: "docker" "start" "-a" "e95c9c1819a0fefd1614a8144309b4e889fb7d7bb79f55d7ea16c2034513c91d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-2e131539457ffab5)
[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" "e95c9c1819a0fefd1614a8144309b4e889fb7d7bb79f55d7ea16c2034513c91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95c9c1819a0fefd1614a8144309b4e889fb7d7bb79f55d7ea16c2034513c91d", kill_on_drop: false }`
[INFO] [stdout] e95c9c1819a0fefd1614a8144309b4e889fb7d7bb79f55d7ea16c2034513c91d