[INFO] cloning repository https://github.com/roger-russel/learning-rust-zeromq-pubsub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roger-russel/learning-rust-zeromq-pubsub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froger-russel%2Flearning-rust-zeromq-pubsub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froger-russel%2Flearning-rust-zeromq-pubsub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e070bfdd845de2694ed2d34f9af80919b712489e
[INFO] checking roger-russel/learning-rust-zeromq-pubsub against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froger-russel%2Flearning-rust-zeromq-pubsub" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub
[INFO] finished tweaking git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub
[INFO] tweaked toml for git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/roger-russel/learning-rust-zeromq-pubsub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c437066faa411d5656854b12355e1714aca55eb30fa8d96c8127c57c7466e31c
[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" "c437066faa411d5656854b12355e1714aca55eb30fa8d96c8127c57c7466e31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c437066faa411d5656854b12355e1714aca55eb30fa8d96c8127c57c7466e31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c437066faa411d5656854b12355e1714aca55eb30fa8d96c8127c57c7466e31c", kill_on_drop: false }`
[INFO] [stdout] c437066faa411d5656854b12355e1714aca55eb30fa8d96c8127c57c7466e31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19d8ff23c7a735ede46dfdeb774bbcbf66e35afa8fd1b93298e20a5e72f0246f
[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" "19d8ff23c7a735ede46dfdeb774bbcbf66e35afa8fd1b93298e20a5e72f0246f", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking learning-rust-zeromq-pubsub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "19d8ff23c7a735ede46dfdeb774bbcbf66e35afa8fd1b93298e20a5e72f0246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d8ff23c7a735ede46dfdeb774bbcbf66e35afa8fd1b93298e20a5e72f0246f", kill_on_drop: false }`
[INFO] [stdout] 19d8ff23c7a735ede46dfdeb774bbcbf66e35afa8fd1b93298e20a5e72f0246f