[INFO] cloning repository https://github.com/Shobhit1/rust-lang-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shobhit1/rust-lang-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShobhit1%2Frust-lang-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShobhit1%2Frust-lang-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7190b85a4f5deb64cc42daa2b5604adfe75ea0c5
[INFO] testing Shobhit1/rust-lang-learn 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%2FShobhit1%2Frust-lang-learn" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shobhit1/rust-lang-learn 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/Shobhit1/rust-lang-learn
[INFO] finished tweaking git repo https://github.com/Shobhit1/rust-lang-learn
[INFO] tweaked toml for git repo https://github.com/Shobhit1/rust-lang-learn written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/Shobhit1/rust-lang-learn 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] [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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 55e26cbece0a4e355ef124cadf2f89a1738532e948f7a7ec9fc8bc57006b033c
[INFO] running `Command { std: "docker" "start" "-a" "55e26cbece0a4e355ef124cadf2f89a1738532e948f7a7ec9fc8bc57006b033c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e26cbece0a4e355ef124cadf2f89a1738532e948f7a7ec9fc8bc57006b033c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e26cbece0a4e355ef124cadf2f89a1738532e948f7a7ec9fc8bc57006b033c", kill_on_drop: false }`
[INFO] [stdout] 55e26cbece0a4e355ef124cadf2f89a1738532e948f7a7ec9fc8bc57006b033c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 1e061bb757ddc488f0d607fd0e39a8d0e30661de8c5fea7ce5c4b9b7cfa56e3f
[INFO] running `Command { std: "docker" "start" "-a" "1e061bb757ddc488f0d607fd0e39a8d0e30661de8c5fea7ce5c4b9b7cfa56e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "1e061bb757ddc488f0d607fd0e39a8d0e30661de8c5fea7ce5c4b9b7cfa56e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e061bb757ddc488f0d607fd0e39a8d0e30661de8c5fea7ce5c4b9b7cfa56e3f", kill_on_drop: false }`
[INFO] [stdout] 1e061bb757ddc488f0d607fd0e39a8d0e30661de8c5fea7ce5c4b9b7cfa56e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 0e360eee09ac7d7edac3f631f7f1a85b508d289166f2a75f3a418d5dc272583d
[INFO] running `Command { std: "docker" "start" "-a" "0e360eee09ac7d7edac3f631f7f1a85b508d289166f2a75f3a418d5dc272583d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0e360eee09ac7d7edac3f631f7f1a85b508d289166f2a75f3a418d5dc272583d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e360eee09ac7d7edac3f631f7f1a85b508d289166f2a75f3a418d5dc272583d", kill_on_drop: false }`
[INFO] [stdout] 0e360eee09ac7d7edac3f631f7f1a85b508d289166f2a75f3a418d5dc272583d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 1531dbe45713099690ef2fe254b86a94b70977143775dcb0077f7abbfcaeeee1
[INFO] running `Command { std: "docker" "start" "-a" "1531dbe45713099690ef2fe254b86a94b70977143775dcb0077f7abbfcaeeee1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-d5ed91d926dd17b1)
[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" "1531dbe45713099690ef2fe254b86a94b70977143775dcb0077f7abbfcaeeee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1531dbe45713099690ef2fe254b86a94b70977143775dcb0077f7abbfcaeeee1", kill_on_drop: false }`
[INFO] [stdout] 1531dbe45713099690ef2fe254b86a94b70977143775dcb0077f7abbfcaeeee1