[INFO] cloning repository https://github.com/integer32llc/kafka-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/integer32llc/kafka-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finteger32llc%2Fkafka-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finteger32llc%2Fkafka-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95d34bfc8a8f4f31a262542fb1787770fa0c7961
[INFO] testing integer32llc/kafka-example against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finteger32llc%2Fkafka-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/integer32llc/kafka-example on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/integer32llc/kafka-example
[INFO] finished tweaking git repo https://github.com/integer32llc/kafka-example
[INFO] tweaked toml for git repo https://github.com/integer32llc/kafka-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/integer32llc/kafka-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 93bfc9dca6e725158813c969f6697eb3c1c425f911015afc530593d8e1d3f440
[INFO] running `Command { std: "docker" "start" "-a" "93bfc9dca6e725158813c969f6697eb3c1c425f911015afc530593d8e1d3f440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93bfc9dca6e725158813c969f6697eb3c1c425f911015afc530593d8e1d3f440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93bfc9dca6e725158813c969f6697eb3c1c425f911015afc530593d8e1d3f440", kill_on_drop: false }`
[INFO] [stdout] 93bfc9dca6e725158813c969f6697eb3c1c425f911015afc530593d8e1d3f440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", 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] db168b5aec3933d5fbfbf79c4b411590b564980dc3d64ff88ecc4a97a062c865
[INFO] running `Command { std: "docker" "start" "-a" "db168b5aec3933d5fbfbf79c4b411590b564980dc3d64ff88ecc4a97a062c865", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling rdkafka-sys v4.0.0+1.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling rdkafka v0.26.0
[INFO] [stderr]    Compiling k v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `util::Timeout`
[INFO] [stdout]  --> src/main.rs:2:212
[INFO] [stdout]   |
[INFO] [stdout] 2 | ... StreamConsumer}, producer::{FutureProducer, FutureRecord}, util::Timeout, Offset, TopicPartitionList};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{array, convert::TryInto, time::{Duration, SystemTime, UNIX_EPOCH}, sync::{Arc, Mutex}};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::oneshot`, `time`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{sync::oneshot, task::JoinHandle, time};
[INFO] [stdout]   |             ^^^^^^^^^^^^^                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/main.rs:102:59
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let mut tasks: FuturesUnordered<_> = array::IntoIter::new([consumer_task, producer_task]).collect();
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     topics.set_partition_offset(TOPIC, 0, Offset::Offset(seek));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "db168b5aec3933d5fbfbf79c4b411590b564980dc3d64ff88ecc4a97a062c865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db168b5aec3933d5fbfbf79c4b411590b564980dc3d64ff88ecc4a97a062c865", kill_on_drop: false }`
[INFO] [stdout] db168b5aec3933d5fbfbf79c4b411590b564980dc3d64ff88ecc4a97a062c865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1be68c7508d03ca830feeaf4d81c32eb1d85aab6bd6a39e67aae06799427e9
[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" "ff1be68c7508d03ca830feeaf4d81c32eb1d85aab6bd6a39e67aae06799427e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling k v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `util::Timeout`
[INFO] [stdout]  --> src/main.rs:2:212
[INFO] [stdout]   |
[INFO] [stdout] 2 | ... StreamConsumer}, producer::{FutureProducer, FutureRecord}, util::Timeout, Offset, TopicPartitionList};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{array, convert::TryInto, time::{Duration, SystemTime, UNIX_EPOCH}, sync::{Arc, Mutex}};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `sync::oneshot`, `time`
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::{sync::oneshot, task::JoinHandle, time};
[INFO] [stdout]   |             ^^^^^^^^^^^^^                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/main.rs:102:59
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let mut tasks: FuturesUnordered<_> = array::IntoIter::new([consumer_task, producer_task]).collect();
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     topics.set_partition_offset(TOPIC, 0, Offset::Offset(seek));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "ff1be68c7508d03ca830feeaf4d81c32eb1d85aab6bd6a39e67aae06799427e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1be68c7508d03ca830feeaf4d81c32eb1d85aab6bd6a39e67aae06799427e9", kill_on_drop: false }`
[INFO] [stdout] ff1be68c7508d03ca830feeaf4d81c32eb1d85aab6bd6a39e67aae06799427e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] baa5a1fca47ff12501889172f4b006a8aa95e41d6916eed202aa9e3d22efb19b
[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" "baa5a1fca47ff12501889172f4b006a8aa95e41d6916eed202aa9e3d22efb19b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `util::Timeout`
[INFO] [stderr]  --> src/main.rs:2:212
[INFO] [stderr]   |
[INFO] [stderr] 2 | ... StreamConsumer}, producer::{FutureProducer, FutureRecord}, util::Timeout, Offset, TopicPartitionList};
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:3:43
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{array, convert::TryInto, time::{Duration, SystemTime, UNIX_EPOCH}, sync::{Arc, Mutex}};
[INFO] [stderr]   |                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `sync::oneshot`, `time`
[INFO] [stderr]  --> src/main.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::{sync::oneshot, task::JoinHandle, time};
[INFO] [stderr]   |             ^^^^^^^^^^^^^                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stderr]    --> src/main.rs:102:59
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let mut tasks: FuturesUnordered<_> = array::IntoIter::new([consumer_task, producer_task]).collect();
[INFO] [stderr]     |                                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     topics.set_partition_offset(TOPIC, 0, Offset::Offset(seek));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `k` (bin "k" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/k-b48d6b425df84fb1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "baa5a1fca47ff12501889172f4b006a8aa95e41d6916eed202aa9e3d22efb19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa5a1fca47ff12501889172f4b006a8aa95e41d6916eed202aa9e3d22efb19b", kill_on_drop: false }`
[INFO] [stdout] baa5a1fca47ff12501889172f4b006a8aa95e41d6916eed202aa9e3d22efb19b