[INFO] fetching crate casper 0.1.0...
[INFO] testing casper-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate casper 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate casper 0.1.0 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 casper 0.1.0
[INFO] finished tweaking crates.io crate casper 0.1.0
[INFO] tweaked toml for crates.io crate casper 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd4d6511f73b3b6dbf69ea2b2d9770b112d0fce2559b106ca9b377dc956eab19
[INFO] running `Command { std: "docker" "start" "-a" "dd4d6511f73b3b6dbf69ea2b2d9770b112d0fce2559b106ca9b377dc956eab19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd4d6511f73b3b6dbf69ea2b2d9770b112d0fce2559b106ca9b377dc956eab19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4d6511f73b3b6dbf69ea2b2d9770b112d0fce2559b106ca9b377dc956eab19", kill_on_drop: false }`
[INFO] [stdout] dd4d6511f73b3b6dbf69ea2b2d9770b112d0fce2559b106ca9b377dc956eab19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c0e3846daedcc48c9914e5dec08d8abb8a468822d379fe5e35ef74e18a9df456
[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" "c0e3846daedcc48c9914e5dec08d8abb8a468822d379fe5e35ef74e18a9df456", kill_on_drop: false }`
[INFO] [stderr]    Compiling casper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "c0e3846daedcc48c9914e5dec08d8abb8a468822d379fe5e35ef74e18a9df456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e3846daedcc48c9914e5dec08d8abb8a468822d379fe5e35ef74e18a9df456", kill_on_drop: false }`
[INFO] [stdout] c0e3846daedcc48c9914e5dec08d8abb8a468822d379fe5e35ef74e18a9df456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fad0a210ad10e8969ac91baba527cbb22dbe253a7e812369237b748c1f470a7a
[INFO] running `Command { std: "docker" "start" "-a" "fad0a210ad10e8969ac91baba527cbb22dbe253a7e812369237b748c1f470a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling casper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "fad0a210ad10e8969ac91baba527cbb22dbe253a7e812369237b748c1f470a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad0a210ad10e8969ac91baba527cbb22dbe253a7e812369237b748c1f470a7a", kill_on_drop: false }`
[INFO] [stdout] fad0a210ad10e8969ac91baba527cbb22dbe253a7e812369237b748c1f470a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc192a5fe5dac320fedfb6853a1955d77741d5c2a827d0e1a582a7ac2cd7580e
[INFO] running `Command { std: "docker" "start" "-a" "fc192a5fe5dac320fedfb6853a1955d77741d5c2a827d0e1a582a7ac2cd7580e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/casper-e814eb671b053d12)
[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" "fc192a5fe5dac320fedfb6853a1955d77741d5c2a827d0e1a582a7ac2cd7580e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc192a5fe5dac320fedfb6853a1955d77741d5c2a827d0e1a582a7ac2cd7580e", kill_on_drop: false }`
[INFO] [stdout] fc192a5fe5dac320fedfb6853a1955d77741d5c2a827d0e1a582a7ac2cd7580e