[INFO] fetching crate bb 0.4.3...
[INFO] checking bb-0.4.3 against beta for pr-78714
[INFO] extracting crate bb 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bb 0.4.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bb 0.4.3
[INFO] finished tweaking crates.io crate bb 0.4.3
[INFO] tweaked toml for crates.io crate bb 0.4.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate bb 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 308ef902bb8840ce0d123baa87d221fcefd1b7d8a18492b9270eec94c2f4a9b0
[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" "308ef902bb8840ce0d123baa87d221fcefd1b7d8a18492b9270eec94c2f4a9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "308ef902bb8840ce0d123baa87d221fcefd1b7d8a18492b9270eec94c2f4a9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308ef902bb8840ce0d123baa87d221fcefd1b7d8a18492b9270eec94c2f4a9b0", kill_on_drop: false }`
[INFO] [stdout] 308ef902bb8840ce0d123baa87d221fcefd1b7d8a18492b9270eec94c2f4a9b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 84a8453ffcf86bd9c2a87dd54bfa5b9788309ed58dd67e730b9ea8f1d587d740
[INFO] running `Command { std: "docker" "start" "-a" "84a8453ffcf86bd9c2a87dd54bfa5b9788309ed58dd67e730b9ea8f1d587d740", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking arc-swap v0.4.2
[INFO] [stderr]    Compiling bb v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.55s
[INFO] running `Command { std: "docker" "inspect" "84a8453ffcf86bd9c2a87dd54bfa5b9788309ed58dd67e730b9ea8f1d587d740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a8453ffcf86bd9c2a87dd54bfa5b9788309ed58dd67e730b9ea8f1d587d740", kill_on_drop: false }`
[INFO] [stdout] 84a8453ffcf86bd9c2a87dd54bfa5b9788309ed58dd67e730b9ea8f1d587d740