[INFO] fetching crate bigbro 0.5.2...
[INFO] testing bigbro-0.5.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bigbro 0.5.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bigbro 0.5.2 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] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate bigbro 0.5.2
[INFO] finished tweaking crates.io crate bigbro 0.5.2
[INFO] tweaked toml for crates.io crate bigbro 0.5.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded error-chain v0.5.0
[INFO] [stderr] Downloaded cpuprofiler v0.0.3
[INFO] [stderr] Downloaded seccomp-droundy v0.1.0
[INFO] [stderr] Downloaded seccomp-droundy-sys v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b40559966c1173b7123d6d12211308ca393d4dfbfb0c16be7486cc5425d2f88f
[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" "b40559966c1173b7123d6d12211308ca393d4dfbfb0c16be7486cc5425d2f88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40559966c1173b7123d6d12211308ca393d4dfbfb0c16be7486cc5425d2f88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40559966c1173b7123d6d12211308ca393d4dfbfb0c16be7486cc5425d2f88f", kill_on_drop: false }`
[INFO] [stdout] b40559966c1173b7123d6d12211308ca393d4dfbfb0c16be7486cc5425d2f88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37b94fa2b3c18be9e41770ed6c42e3d96e02d0e664ad365a9f326dd716f8b1cd
[INFO] running `Command { std: "docker" "start" "-a" "37b94fa2b3c18be9e41770ed6c42e3d96e02d0e664ad365a9f326dd716f8b1cd", kill_on_drop: false }`
[INFO] [stderr] Compiling gcc v0.3.55
[INFO] [stderr] Compiling seccomp-droundy-sys v0.1.2
[INFO] [stderr] Compiling seccomp-droundy v0.1.0
[INFO] [stderr] Compiling bigbro v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] --> src/linux.rs:144:60
[INFO] [stdout] |
[INFO] [stdout] 144 | pub fn stdout(&mut self) -> std::io::Result