[INFO] fetching crate nng 1.0.0-rc.2...
[INFO] checking nng-1.0.0-rc.2 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate nng 1.0.0-rc.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate nng 1.0.0-rc.2 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nng 1.0.0-rc.2
[INFO] finished tweaking crates.io crate nng 1.0.0-rc.2
[INFO] tweaked toml for crates.io crate nng 1.0.0-rc.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate nng 1.0.0-rc.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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 nng-sys v1.2.4-rc.1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bfb6ce02d2347542ac38c8aa700285cf0092649a33aab17e895636004a33291
[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" "9bfb6ce02d2347542ac38c8aa700285cf0092649a33aab17e895636004a33291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bfb6ce02d2347542ac38c8aa700285cf0092649a33aab17e895636004a33291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bfb6ce02d2347542ac38c8aa700285cf0092649a33aab17e895636004a33291", kill_on_drop: false }`
[INFO] [stdout] 9bfb6ce02d2347542ac38c8aa700285cf0092649a33aab17e895636004a33291
[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=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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08acb70b962fa9a6c9a056fa3b969abab61ea74ce420218b7aa6823de8dd9b2a
[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" "08acb70b962fa9a6c9a056fa3b969abab61ea74ce420218b7aa6823de8dd9b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling nng-sys v1.2.4-rc.1
[INFO] [stderr]     Checking nng v1.0.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.40s
[INFO] running `Command { std: "docker" "inspect" "08acb70b962fa9a6c9a056fa3b969abab61ea74ce420218b7aa6823de8dd9b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08acb70b962fa9a6c9a056fa3b969abab61ea74ce420218b7aa6823de8dd9b2a", kill_on_drop: false }`
[INFO] [stdout] 08acb70b962fa9a6c9a056fa3b969abab61ea74ce420218b7aa6823de8dd9b2a