[INFO] fetching crate cargo-swarm 0.1.0-alpha...
[INFO] testing cargo-swarm-0.1.0-alpha against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-swarm 0.1.0-alpha into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cargo-swarm 0.1.0-alpha 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 cargo-swarm 0.1.0-alpha
[INFO] finished tweaking crates.io crate cargo-swarm 0.1.0-alpha
[INFO] tweaked toml for crates.io crate cargo-swarm 0.1.0-alpha written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate cargo-swarm 0.1.0-alpha 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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0000fb6ad1d0d3d69f52c32c9d78205a37b27ee1c100bc9f3d48f0611e680f67
[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" "0000fb6ad1d0d3d69f52c32c9d78205a37b27ee1c100bc9f3d48f0611e680f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0000fb6ad1d0d3d69f52c32c9d78205a37b27ee1c100bc9f3d48f0611e680f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0000fb6ad1d0d3d69f52c32c9d78205a37b27ee1c100bc9f3d48f0611e680f67", kill_on_drop: false }`
[INFO] [stdout] 0000fb6ad1d0d3d69f52c32c9d78205a37b27ee1c100bc9f3d48f0611e680f67
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 9fa0183b6faa6715efeb3357ed13d617c7307d48c2b40534475843056ae919e7
[INFO] running `Command { std: "docker" "start" "-a" "9fa0183b6faa6715efeb3357ed13d617c7307d48c2b40534475843056ae919e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-swarm v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "9fa0183b6faa6715efeb3357ed13d617c7307d48c2b40534475843056ae919e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa0183b6faa6715efeb3357ed13d617c7307d48c2b40534475843056ae919e7", kill_on_drop: false }`
[INFO] [stdout] 9fa0183b6faa6715efeb3357ed13d617c7307d48c2b40534475843056ae919e7
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 7c1c7fd1c0acf8dce810fcd7f00ace6e31abdf652857b7626d48d940a8c30151
[INFO] running `Command { std: "docker" "start" "-a" "7c1c7fd1c0acf8dce810fcd7f00ace6e31abdf652857b7626d48d940a8c30151", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-swarm v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "7c1c7fd1c0acf8dce810fcd7f00ace6e31abdf652857b7626d48d940a8c30151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1c7fd1c0acf8dce810fcd7f00ace6e31abdf652857b7626d48d940a8c30151", kill_on_drop: false }`
[INFO] [stdout] 7c1c7fd1c0acf8dce810fcd7f00ace6e31abdf652857b7626d48d940a8c30151
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9ebf7ffb4edbf13ce13653efa0186c785dbef3c609756b338ac7fe662d6d45e
[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" "d9ebf7ffb4edbf13ce13653efa0186c785dbef3c609756b338ac7fe662d6d45e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_swarm-3a76803a85cb2884)
[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" "d9ebf7ffb4edbf13ce13653efa0186c785dbef3c609756b338ac7fe662d6d45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ebf7ffb4edbf13ce13653efa0186c785dbef3c609756b338ac7fe662d6d45e", kill_on_drop: false }`
[INFO] [stdout] d9ebf7ffb4edbf13ce13653efa0186c785dbef3c609756b338ac7fe662d6d45e