[INFO] cloning repository https://github.com/72lions/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/72lions/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F72lions%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F72lions%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d9cd504800f4886bc98cac36046b797f43f4dd3
[INFO] testing 72lions/rust_playground 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%2F72lions%2Frust_playground" "/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/72lions/rust_playground 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/72lions/rust_playground
[INFO] finished tweaking git repo https://github.com/72lions/rust_playground
[INFO] tweaked toml for git repo https://github.com/72lions/rust_playground written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/72lions/rust_playground 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] 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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] df09cbcc86a94313d8142d107064873a580846d235da85b8bc3a752b1e6a1a4e
[INFO] running `Command { std: "docker" "start" "-a" "df09cbcc86a94313d8142d107064873a580846d235da85b8bc3a752b1e6a1a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df09cbcc86a94313d8142d107064873a580846d235da85b8bc3a752b1e6a1a4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df09cbcc86a94313d8142d107064873a580846d235da85b8bc3a752b1e6a1a4e", kill_on_drop: false }`
[INFO] [stdout] df09cbcc86a94313d8142d107064873a580846d235da85b8bc3a752b1e6a1a4e
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 953d6f721a938ec8cec84049a903b7304afaf0f68d21e5b84e0dfd3204f25d19
[INFO] running `Command { std: "docker" "start" "-a" "953d6f721a938ec8cec84049a903b7304afaf0f68d21e5b84e0dfd3204f25d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_rust_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "953d6f721a938ec8cec84049a903b7304afaf0f68d21e5b84e0dfd3204f25d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953d6f721a938ec8cec84049a903b7304afaf0f68d21e5b84e0dfd3204f25d19", kill_on_drop: false }`
[INFO] [stdout] 953d6f721a938ec8cec84049a903b7304afaf0f68d21e5b84e0dfd3204f25d19
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e51e684beb18577385abaec5d8b1b3df1e726f1841c322471af246b597eb9926
[INFO] running `Command { std: "docker" "start" "-a" "e51e684beb18577385abaec5d8b1b3df1e726f1841c322471af246b597eb9926", kill_on_drop: false }`
[INFO] [stderr]    Compiling first_rust_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/first_rust_project-41a6e0c8c08c4dd9)
[INFO] running `Command { std: "docker" "inspect" "e51e684beb18577385abaec5d8b1b3df1e726f1841c322471af246b597eb9926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51e684beb18577385abaec5d8b1b3df1e726f1841c322471af246b597eb9926", kill_on_drop: false }`
[INFO] [stdout] e51e684beb18577385abaec5d8b1b3df1e726f1841c322471af246b597eb9926
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4be1c0d1e6ede790659999ef511d91e6b2d9ad0c9bc6580fca69ccf0f646c53
[INFO] running `Command { std: "docker" "start" "-a" "a4be1c0d1e6ede790659999ef511d91e6b2d9ad0c9bc6580fca69ccf0f646c53", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/first_rust_project-41a6e0c8c08c4dd9)
[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" "a4be1c0d1e6ede790659999ef511d91e6b2d9ad0c9bc6580fca69ccf0f646c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4be1c0d1e6ede790659999ef511d91e6b2d9ad0c9bc6580fca69ccf0f646c53", kill_on_drop: false }`
[INFO] [stdout] a4be1c0d1e6ede790659999ef511d91e6b2d9ad0c9bc6580fca69ccf0f646c53