[INFO] fetching crate janus-kafka 0.2.0...
[INFO] checking janus-kafka-0.2.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate janus-kafka 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate janus-kafka 0.2.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate janus-kafka 0.2.0
[INFO] finished tweaking crates.io crate janus-kafka 0.2.0
[INFO] tweaked toml for crates.io crate janus-kafka 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df52e60715076ffcb6f88167cca0e199745f7cc0710d9d6adfcd9edccd1ba43c
[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" "df52e60715076ffcb6f88167cca0e199745f7cc0710d9d6adfcd9edccd1ba43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df52e60715076ffcb6f88167cca0e199745f7cc0710d9d6adfcd9edccd1ba43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df52e60715076ffcb6f88167cca0e199745f7cc0710d9d6adfcd9edccd1ba43c", kill_on_drop: false }`
[INFO] [stdout] df52e60715076ffcb6f88167cca0e199745f7cc0710d9d6adfcd9edccd1ba43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c98dc6522ace3e59aaea1a7d3b7d48d0cd7f07492653d52bd1b32668bdfb8c
[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" "18c98dc6522ace3e59aaea1a7d3b7d48d0cd7f07492653d52bd1b32668bdfb8c", kill_on_drop: false }`
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling rdkafka-sys v2.1.0+1.5.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking janus v0.2.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking rdkafka v0.24.0
[INFO] [stderr]     Checking janus-kafka v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `Command { std: "docker" "inspect" "18c98dc6522ace3e59aaea1a7d3b7d48d0cd7f07492653d52bd1b32668bdfb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c98dc6522ace3e59aaea1a7d3b7d48d0cd7f07492653d52bd1b32668bdfb8c", kill_on_drop: false }`
[INFO] [stdout] 18c98dc6522ace3e59aaea1a7d3b7d48d0cd7f07492653d52bd1b32668bdfb8c