[INFO] fetching crate trust-dns-proto 0.19.5...
[INFO] checking trust-dns-proto-0.19.5 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate trust-dns-proto 0.19.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate trust-dns-proto 0.19.5 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trust-dns-proto 0.19.5
[INFO] finished tweaking crates.io crate trust-dns-proto 0.19.5
[INFO] tweaked toml for crates.io crate trust-dns-proto 0.19.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f269ccb08b0a2466aa53727b839281e9abcc8e8d1f54ab16e033cdba23025cb
[INFO] running `"docker" "start" "-a" "5f269ccb08b0a2466aa53727b839281e9abcc8e8d1f54ab16e033cdba23025cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking trust-dns-proto v0.19.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:271:29
[INFO] [stderr]     |
[INFO] [stderr] 271 | / ...                   mem::replace(
[INFO] [stderr] 272 | | ...                       send_state,
[INFO] [stderr] 273 | | ...                       Some(WriteTcpState::LenBytes { pos, length, bytes }),
[INFO] [stderr] 274 | | ...                   );
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:276:29
[INFO] [stderr]     |
[INFO] [stderr] 276 | ...                   mem::replace(send_state, Some(WriteTcpState::Bytes { pos: 0, bytes }));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:281:29
[INFO] [stderr]     |
[INFO] [stderr] 281 | ...                   mem::replace(send_state, Some(WriteTcpState::Bytes { pos, bytes }));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 | ...                   mem::replace(send_state, Some(WriteTcpState::Flushing));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:271:29
[INFO] [stderr]     |
[INFO] [stderr] 271 | / ...                   mem::replace(
[INFO] [stderr] 272 | | ...                       send_state,
[INFO] [stderr] 273 | | ...                       Some(WriteTcpState::LenBytes { pos, length, bytes }),
[INFO] [stderr] 274 | | ...                   );
[INFO] [stderr]     | |________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:276:29
[INFO] [stderr]     |
[INFO] [stderr] 276 | ...                   mem::replace(send_state, Some(WriteTcpState::Bytes { pos: 0, bytes }));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:281:29
[INFO] [stderr]     |
[INFO] [stderr] 281 | ...                   mem::replace(send_state, Some(WriteTcpState::Bytes { pos, bytes }));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/tcp/tcp_stream.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 | ...                   mem::replace(send_state, Some(WriteTcpState::Flushing));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.46s
[INFO] running `"docker" "inspect" "5f269ccb08b0a2466aa53727b839281e9abcc8e8d1f54ab16e033cdba23025cb"`
[INFO] running `"docker" "rm" "-f" "5f269ccb08b0a2466aa53727b839281e9abcc8e8d1f54ab16e033cdba23025cb"`
[INFO] [stdout] 5f269ccb08b0a2466aa53727b839281e9abcc8e8d1f54ab16e033cdba23025cb