[INFO] fetching crate sandbox_guessing_game 0.1.3...
[INFO] testing sandbox_guessing_game-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sandbox_guessing_game 0.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sandbox_guessing_game 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sandbox_guessing_game 0.1.3
[INFO] finished tweaking crates.io crate sandbox_guessing_game 0.1.3
[INFO] tweaked toml for crates.io crate sandbox_guessing_game 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "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] ee64400120942decceba8b75b0d461a3e8b5fb876b7f279fe27f8f91fb057cef
[INFO] running `Command { std: "docker" "start" "-a" "ee64400120942decceba8b75b0d461a3e8b5fb876b7f279fe27f8f91fb057cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee64400120942decceba8b75b0d461a3e8b5fb876b7f279fe27f8f91fb057cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee64400120942decceba8b75b0d461a3e8b5fb876b7f279fe27f8f91fb057cef", kill_on_drop: false }`
[INFO] [stdout] ee64400120942decceba8b75b0d461a3e8b5fb876b7f279fe27f8f91fb057cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 973a9be0cde7c4bf4f67d9f50903ed252da439ae8b3bbbb2f65e2ba7fe1623e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "973a9be0cde7c4bf4f67d9f50903ed252da439ae8b3bbbb2f65e2ba7fe1623e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandbox_guessing_game v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "973a9be0cde7c4bf4f67d9f50903ed252da439ae8b3bbbb2f65e2ba7fe1623e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973a9be0cde7c4bf4f67d9f50903ed252da439ae8b3bbbb2f65e2ba7fe1623e7", kill_on_drop: false }`
[INFO] [stdout] 973a9be0cde7c4bf4f67d9f50903ed252da439ae8b3bbbb2f65e2ba7fe1623e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e105f3cc9b1e8bea9e2cf70c429bf918fc7eb5629fadaabcbba87049460388ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e105f3cc9b1e8bea9e2cf70c429bf918fc7eb5629fadaabcbba87049460388ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling sandbox_guessing_game v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "e105f3cc9b1e8bea9e2cf70c429bf918fc7eb5629fadaabcbba87049460388ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e105f3cc9b1e8bea9e2cf70c429bf918fc7eb5629fadaabcbba87049460388ed", kill_on_drop: false }`
[INFO] [stdout] e105f3cc9b1e8bea9e2cf70c429bf918fc7eb5629fadaabcbba87049460388ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "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] 8528931661d9d057d62b7db68f3b7c0691b568ee5c340f5305041399acec4f51
[INFO] running `Command { std: "docker" "start" "-a" "8528931661d9d057d62b7db68f3b7c0691b568ee5c340f5305041399acec4f51", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandbox_guessing_game-728d0e5c351a84a0)
[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" "8528931661d9d057d62b7db68f3b7c0691b568ee5c340f5305041399acec4f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8528931661d9d057d62b7db68f3b7c0691b568ee5c340f5305041399acec4f51", kill_on_drop: false }`
[INFO] [stdout] 8528931661d9d057d62b7db68f3b7c0691b568ee5c340f5305041399acec4f51