[INFO] fetching crate janus-kafka 0.4.1...
[INFO] checking janus-kafka-0.4.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate janus-kafka 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate janus-kafka 0.4.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate janus-kafka 0.4.1
[INFO] finished tweaking crates.io crate janus-kafka 0.4.1
[INFO] tweaked toml for crates.io crate janus-kafka 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45be425ed2895ff1ffc05bf33ffe292569bee83fb773627d366a10192f738ff3
[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" "45be425ed2895ff1ffc05bf33ffe292569bee83fb773627d366a10192f738ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45be425ed2895ff1ffc05bf33ffe292569bee83fb773627d366a10192f738ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45be425ed2895ff1ffc05bf33ffe292569bee83fb773627d366a10192f738ff3", kill_on_drop: false }`
[INFO] [stdout] 45be425ed2895ff1ffc05bf33ffe292569bee83fb773627d366a10192f738ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b24394262701e3f55b49023409ff65ed33bd1b52be99f6b002cc3f503540aab
[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" "8b24394262701e3f55b49023409ff65ed33bd1b52be99f6b002cc3f503540aab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling rdkafka-sys v3.0.0+1.6.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking janus v0.2.0
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]    Compiling toml v0.5.8
[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 v0.25.0
[INFO] [stderr]     Checking janus-kafka v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "8b24394262701e3f55b49023409ff65ed33bd1b52be99f6b002cc3f503540aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b24394262701e3f55b49023409ff65ed33bd1b52be99f6b002cc3f503540aab", kill_on_drop: false }`
[INFO] [stdout] 8b24394262701e3f55b49023409ff65ed33bd1b52be99f6b002cc3f503540aab