[INFO] fetching crate futuristic 0.3.0...
[INFO] testing futuristic-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futuristic 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate futuristic 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futuristic 0.3.0
[INFO] finished tweaking crates.io crate futuristic 0.3.0
[INFO] tweaked toml for crates.io crate futuristic 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa57916ad0f8e3ffb67b5db8410d2f0c5bf5d6a2f2e247510ec30749d7aadcfb
[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" "aa57916ad0f8e3ffb67b5db8410d2f0c5bf5d6a2f2e247510ec30749d7aadcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa57916ad0f8e3ffb67b5db8410d2f0c5bf5d6a2f2e247510ec30749d7aadcfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa57916ad0f8e3ffb67b5db8410d2f0c5bf5d6a2f2e247510ec30749d7aadcfb", kill_on_drop: false }`
[INFO] [stdout] aa57916ad0f8e3ffb67b5db8410d2f0c5bf5d6a2f2e247510ec30749d7aadcfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ea9a0fab92ae266f931e86d4d31fd8004e162834907e2a25b900128209fb243d
[INFO] running `Command { std: "docker" "start" "-a" "ea9a0fab92ae266f931e86d4d31fd8004e162834907e2a25b900128209fb243d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futuristic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ea9a0fab92ae266f931e86d4d31fd8004e162834907e2a25b900128209fb243d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9a0fab92ae266f931e86d4d31fd8004e162834907e2a25b900128209fb243d", kill_on_drop: false }`
[INFO] [stdout] ea9a0fab92ae266f931e86d4d31fd8004e162834907e2a25b900128209fb243d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ceff3298cd2f9804f49e35bf1a1348173000eee39d62a3a73e2a4aa42bb5aa8e
[INFO] running `Command { std: "docker" "start" "-a" "ceff3298cd2f9804f49e35bf1a1348173000eee39d62a3a73e2a4aa42bb5aa8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futuristic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "ceff3298cd2f9804f49e35bf1a1348173000eee39d62a3a73e2a4aa42bb5aa8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceff3298cd2f9804f49e35bf1a1348173000eee39d62a3a73e2a4aa42bb5aa8e", kill_on_drop: false }`
[INFO] [stdout] ceff3298cd2f9804f49e35bf1a1348173000eee39d62a3a73e2a4aa42bb5aa8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a4d8d2cf7bb03008131834456919fb5e3a12c57c420081899ba2af785940ee3
[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" "0a4d8d2cf7bb03008131834456919fb5e3a12c57c420081899ba2af785940ee3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futuristic-5271f6da63fb5822
[INFO] [stdout] test sink::fork::tests::it_works ... ok
[INFO] [stderr]    Doc-tests futuristic
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a4d8d2cf7bb03008131834456919fb5e3a12c57c420081899ba2af785940ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4d8d2cf7bb03008131834456919fb5e3a12c57c420081899ba2af785940ee3", kill_on_drop: false }`
[INFO] [stdout] 0a4d8d2cf7bb03008131834456919fb5e3a12c57c420081899ba2af785940ee3