[INFO] fetching crate cargo-fun 0.2.0...
[INFO] testing cargo-fun-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cargo-fun 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-fun 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-fun 0.2.0
[INFO] finished tweaking crates.io crate cargo-fun 0.2.0
[INFO] tweaked toml for crates.io crate cargo-fun 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-fun 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd980992c6d7847d1c0da52e61a4157ab0f3045bee6ca5cde204fc7a62c2dfc
[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" "ffd980992c6d7847d1c0da52e61a4157ab0f3045bee6ca5cde204fc7a62c2dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd980992c6d7847d1c0da52e61a4157ab0f3045bee6ca5cde204fc7a62c2dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd980992c6d7847d1c0da52e61a4157ab0f3045bee6ca5cde204fc7a62c2dfc", kill_on_drop: false }`
[INFO] [stdout] ffd980992c6d7847d1c0da52e61a4157ab0f3045bee6ca5cde204fc7a62c2dfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da06bb917ceab6c5255bfa61f5eb3afdeff7be50ab9d6879cfeab3545572f72
[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" "3da06bb917ceab6c5255bfa61f5eb3afdeff7be50ab9d6879cfeab3545572f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling mio v0.7.0
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling crossterm v0.17.7
[INFO] [stderr]    Compiling cargo-fun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "3da06bb917ceab6c5255bfa61f5eb3afdeff7be50ab9d6879cfeab3545572f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da06bb917ceab6c5255bfa61f5eb3afdeff7be50ab9d6879cfeab3545572f72", kill_on_drop: false }`
[INFO] [stdout] 3da06bb917ceab6c5255bfa61f5eb3afdeff7be50ab9d6879cfeab3545572f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 6406ad44e262d2b0c4f66a3d58e5cf8a4e4c4e5f3703863f87a17bddbfc00743
[INFO] running `Command { std: "docker" "start" "-a" "6406ad44e262d2b0c4f66a3d58e5cf8a4e4c4e5f3703863f87a17bddbfc00743", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-fun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "6406ad44e262d2b0c4f66a3d58e5cf8a4e4c4e5f3703863f87a17bddbfc00743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6406ad44e262d2b0c4f66a3d58e5cf8a4e4c4e5f3703863f87a17bddbfc00743", kill_on_drop: false }`
[INFO] [stdout] 6406ad44e262d2b0c4f66a3d58e5cf8a4e4c4e5f3703863f87a17bddbfc00743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b200c9c81c0d480bdbc4b1122299cfde989ad17421c4843fd55b3ee366a53fc3
[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" "b200c9c81c0d480bdbc4b1122299cfde989ad17421c4843fd55b3ee366a53fc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_fun-082350d675adb8b8
[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" "b200c9c81c0d480bdbc4b1122299cfde989ad17421c4843fd55b3ee366a53fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b200c9c81c0d480bdbc4b1122299cfde989ad17421c4843fd55b3ee366a53fc3", kill_on_drop: false }`
[INFO] [stdout] b200c9c81c0d480bdbc4b1122299cfde989ad17421c4843fd55b3ee366a53fc3