[INFO] fetching crate ymmp 0.1.2...
[INFO] testing ymmp-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ymmp 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ymmp 0.1.2 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 crates.io crate ymmp 0.1.2
[INFO] finished tweaking crates.io crate ymmp 0.1.2
[INFO] tweaked toml for crates.io crate ymmp 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b1409bc832eb1899a1679363e1fc6056bcc5077ec5719e0d98715c4cb548897
[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" "5b1409bc832eb1899a1679363e1fc6056bcc5077ec5719e0d98715c4cb548897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1409bc832eb1899a1679363e1fc6056bcc5077ec5719e0d98715c4cb548897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1409bc832eb1899a1679363e1fc6056bcc5077ec5719e0d98715c4cb548897", kill_on_drop: false }`
[INFO] [stdout] 5b1409bc832eb1899a1679363e1fc6056bcc5077ec5719e0d98715c4cb548897
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 407e548a0b514c2b9389c9551ab6ff1011c5b1acead801a28f7324cb74ddcafa
[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" "407e548a0b514c2b9389c9551ab6ff1011c5b1acead801a28f7324cb74ddcafa", kill_on_drop: false }`
[INFO] [stderr]    Compiling ymmp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "407e548a0b514c2b9389c9551ab6ff1011c5b1acead801a28f7324cb74ddcafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407e548a0b514c2b9389c9551ab6ff1011c5b1acead801a28f7324cb74ddcafa", kill_on_drop: false }`
[INFO] [stdout] 407e548a0b514c2b9389c9551ab6ff1011c5b1acead801a28f7324cb74ddcafa
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d3e0c935ecb3638d728ee6454ddd288eebc75e3622551baa83c1d20f407520
[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" "d4d3e0c935ecb3638d728ee6454ddd288eebc75e3622551baa83c1d20f407520", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ymmp v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "d4d3e0c935ecb3638d728ee6454ddd288eebc75e3622551baa83c1d20f407520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d3e0c935ecb3638d728ee6454ddd288eebc75e3622551baa83c1d20f407520", kill_on_drop: false }`
[INFO] [stdout] d4d3e0c935ecb3638d728ee6454ddd288eebc75e3622551baa83c1d20f407520
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d521ca729100d0990703614c0dcd8c8752fb6f70e9ed90caf6c62a68da1ee5d
[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" "1d521ca729100d0990703614c0dcd8c8752fb6f70e9ed90caf6c62a68da1ee5d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ymmp-655e32e6ae1e647e)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test header::tests::default ... ok
[INFO] [stdout] test broadcaster::tests::broadcast ... ok
[INFO] [stdout] test packet::tests::try_from_header_only ... ok
[INFO] [stdout] test packet::tests::default ... ok
[INFO] [stdout] test receiver::tests::broadcast_and_receive ... ok
[INFO] [stdout] test packet::tests::with_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ymmp
[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" "1d521ca729100d0990703614c0dcd8c8752fb6f70e9ed90caf6c62a68da1ee5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d521ca729100d0990703614c0dcd8c8752fb6f70e9ed90caf6c62a68da1ee5d", kill_on_drop: false }`
[INFO] [stdout] 1d521ca729100d0990703614c0dcd8c8752fb6f70e9ed90caf6c62a68da1ee5d