[INFO] crate af_packet 0.3.0 is already in cache
[INFO] testing af_packet-0.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate af_packet 0.3.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate af_packet 0.3.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate af_packet 0.3.0
[INFO] finished tweaking crates.io crate af_packet 0.3.0
[INFO] tweaked toml for crates.io crate af_packet 0.3.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c175cebfdeb716929d76bb780b72a3bc3d81a0801e239c31fa406266733cb854
[INFO] running `"docker" "start" "-a" "c175cebfdeb716929d76bb780b72a3bc3d81a0801e239c31fa406266733cb854"`
[INFO] [stderr]    Compiling af_packet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rx.rs:184:29
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 if let Some(mut block) = self.get_single_block(i) {
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "c175cebfdeb716929d76bb780b72a3bc3d81a0801e239c31fa406266733cb854"`
[INFO] running `"docker" "rm" "-f" "c175cebfdeb716929d76bb780b72a3bc3d81a0801e239c31fa406266733cb854"`
[INFO] [stdout] c175cebfdeb716929d76bb780b72a3bc3d81a0801e239c31fa406266733cb854
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c4e1457adb800d5c6454c32e30c93f40d68880cea3beaf05dc8cf64216cf1e9
[INFO] running `"docker" "start" "-a" "9c4e1457adb800d5c6454c32e30c93f40d68880cea3beaf05dc8cf64216cf1e9"`
[INFO] [stderr]    Compiling af_packet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rx.rs:184:29
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 if let Some(mut block) = self.get_single_block(i) {
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "9c4e1457adb800d5c6454c32e30c93f40d68880cea3beaf05dc8cf64216cf1e9"`
[INFO] running `"docker" "rm" "-f" "9c4e1457adb800d5c6454c32e30c93f40d68880cea3beaf05dc8cf64216cf1e9"`
[INFO] [stdout] 9c4e1457adb800d5c6454c32e30c93f40d68880cea3beaf05dc8cf64216cf1e9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 809d1e4e9ef372fc7821d71fdd79f024afbbdf1bb9beb0f60d19b20072fed807
[INFO] running `"docker" "start" "-a" "809d1e4e9ef372fc7821d71fdd79f024afbbdf1bb9beb0f60d19b20072fed807"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/af_packet-7158bbe29adfa293
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests af_packet
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "809d1e4e9ef372fc7821d71fdd79f024afbbdf1bb9beb0f60d19b20072fed807"`
[INFO] running `"docker" "rm" "-f" "809d1e4e9ef372fc7821d71fdd79f024afbbdf1bb9beb0f60d19b20072fed807"`
[INFO] [stdout] 809d1e4e9ef372fc7821d71fdd79f024afbbdf1bb9beb0f60d19b20072fed807