[INFO] fetching crate pingpong 0.0.1...
[INFO] testing pingpong-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pingpong 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pingpong 0.0.1 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 crates.io crate pingpong 0.0.1
[INFO] finished tweaking crates.io crate pingpong 0.0.1
[INFO] tweaked toml for crates.io crate pingpong 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "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] dd8b2e98872f17bfe6a7cf231098ca3a8fa024070294ba74648781f11a6e98e7
[INFO] running `Command { std: "docker" "start" "-a" "dd8b2e98872f17bfe6a7cf231098ca3a8fa024070294ba74648781f11a6e98e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8b2e98872f17bfe6a7cf231098ca3a8fa024070294ba74648781f11a6e98e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8b2e98872f17bfe6a7cf231098ca3a8fa024070294ba74648781f11a6e98e7", kill_on_drop: false }`
[INFO] [stdout] dd8b2e98872f17bfe6a7cf231098ca3a8fa024070294ba74648781f11a6e98e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "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] eb2b3534f6788f7a6c997beef4144c33979b8d496c7b73fb18a1bdd104d390e4
[INFO] running `Command { std: "docker" "start" "-a" "eb2b3534f6788f7a6c997beef4144c33979b8d496c7b73fb18a1bdd104d390e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pingpong v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "eb2b3534f6788f7a6c997beef4144c33979b8d496c7b73fb18a1bdd104d390e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2b3534f6788f7a6c997beef4144c33979b8d496c7b73fb18a1bdd104d390e4", kill_on_drop: false }`
[INFO] [stdout] eb2b3534f6788f7a6c997beef4144c33979b8d496c7b73fb18a1bdd104d390e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "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] 734fab8d4f3e1514aae7a74d57523e14569899e43555b61b0f6911eb1ce30186
[INFO] running `Command { std: "docker" "start" "-a" "734fab8d4f3e1514aae7a74d57523e14569899e43555b61b0f6911eb1ce30186", kill_on_drop: false }`
[INFO] [stderr]    Compiling pingpong v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "734fab8d4f3e1514aae7a74d57523e14569899e43555b61b0f6911eb1ce30186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734fab8d4f3e1514aae7a74d57523e14569899e43555b61b0f6911eb1ce30186", kill_on_drop: false }`
[INFO] [stdout] 734fab8d4f3e1514aae7a74d57523e14569899e43555b61b0f6911eb1ce30186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.60.0" "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] 26808f4955a9e4ffeae333547fcc95a8de307de3c149d40c309c1f655323a12e
[INFO] running `Command { std: "docker" "start" "-a" "26808f4955a9e4ffeae333547fcc95a8de307de3c149d40c309c1f655323a12e", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pingpong-76d1744aa07b47de)
[INFO] [stderr]    Doc-tests pingpong
[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" "26808f4955a9e4ffeae333547fcc95a8de307de3c149d40c309c1f655323a12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26808f4955a9e4ffeae333547fcc95a8de307de3c149d40c309c1f655323a12e", kill_on_drop: false }`
[INFO] [stdout] 26808f4955a9e4ffeae333547fcc95a8de307de3c149d40c309c1f655323a12e