[INFO] fetching crate kafka-io 0.1.0...
[INFO] checking kafka-io-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate kafka-io 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kafka-io 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kafka-io 0.1.0
[INFO] finished tweaking crates.io crate kafka-io 0.1.0
[INFO] tweaked toml for crates.io crate kafka-io 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate kafka-io 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] b4a8287eb85f41bc2ffcbb0d344bd6938c3c820806b0f092370cfed042d79d09
[INFO] running `Command { std: "docker" "start" "-a" "b4a8287eb85f41bc2ffcbb0d344bd6938c3c820806b0f092370cfed042d79d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4a8287eb85f41bc2ffcbb0d344bd6938c3c820806b0f092370cfed042d79d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a8287eb85f41bc2ffcbb0d344bd6938c3c820806b0f092370cfed042d79d09", kill_on_drop: false }`
[INFO] [stdout] b4a8287eb85f41bc2ffcbb0d344bd6938c3c820806b0f092370cfed042d79d09
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b896e5f741d7afecfe96b0589a47e36e2c8b65e2982f7c9e2e38ba72281cc366
[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" "b896e5f741d7afecfe96b0589a47e36e2c8b65e2982f7c9e2e38ba72281cc366", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rdkafka-sys v2.1.0+1.5.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[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 kafka-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.62s
[INFO] running `Command { std: "docker" "inspect" "b896e5f741d7afecfe96b0589a47e36e2c8b65e2982f7c9e2e38ba72281cc366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b896e5f741d7afecfe96b0589a47e36e2c8b65e2982f7c9e2e38ba72281cc366", kill_on_drop: false }`
[INFO] [stdout] b896e5f741d7afecfe96b0589a47e36e2c8b65e2982f7c9e2e38ba72281cc366