[INFO] fetching crate dadada 0.9.4...
[INFO] checking dadada-0.9.4 against beta for pr-78714
[INFO] extracting crate dadada 0.9.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dadada 0.9.4 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 dadada 0.9.4
[INFO] finished tweaking crates.io crate dadada 0.9.4
[INFO] tweaked toml for crates.io crate dadada 0.9.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate dadada 0.9.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6fa9835b7aeb4ded68b83daed54b514180941ec236ff3797f028c03e39b104c
[INFO] running `Command { std: "docker" "start" "-a" "c6fa9835b7aeb4ded68b83daed54b514180941ec236ff3797f028c03e39b104c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6fa9835b7aeb4ded68b83daed54b514180941ec236ff3797f028c03e39b104c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fa9835b7aeb4ded68b83daed54b514180941ec236ff3797f028c03e39b104c", kill_on_drop: false }`
[INFO] [stdout] c6fa9835b7aeb4ded68b83daed54b514180941ec236ff3797f028c03e39b104c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 071d2151594b1fedd4a2128117efc9c8c7ecd85ddd46a93fe36b2690764fa631
[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" "071d2151594b1fedd4a2128117efc9c8c7ecd85ddd46a93fe36b2690764fa631", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dadada v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "071d2151594b1fedd4a2128117efc9c8c7ecd85ddd46a93fe36b2690764fa631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071d2151594b1fedd4a2128117efc9c8c7ecd85ddd46a93fe36b2690764fa631", kill_on_drop: false }`
[INFO] [stdout] 071d2151594b1fedd4a2128117efc9c8c7ecd85ddd46a93fe36b2690764fa631