[INFO] updating cached repository flier/rust-pcap2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/flier/rust-pcap2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/flier/rust-pcap2" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/flier/rust-pcap2"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/flier/rust-pcap2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/flier/rust-pcap2" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/flier/rust-pcap2"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/flier/rust-pcap2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1815db39ab6edbf1eca2b9cfa18284609f941ea5
[INFO] sha for GitHub repo flier/rust-pcap2: 1815db39ab6edbf1eca2b9cfa18284609f941ea5
[INFO] validating manifest of flier/rust-pcap2 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flier/rust-pcap2 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flier/rust-pcap2
[INFO] finished frobbing flier/rust-pcap2
[INFO] frobbed toml for flier/rust-pcap2 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/flier/rust-pcap2/Cargo.toml
[INFO] started frobbing flier/rust-pcap2
[INFO] finished frobbing flier/rust-pcap2
[INFO] frobbed toml for flier/rust-pcap2 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/flier/rust-pcap2/Cargo.toml
[INFO] crate flier/rust-pcap2 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking flier/rust-pcap2 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/flier/rust-pcap2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c5dc4a38cdb9b6fdeb67e145ead0441e47a1e47d2a02e0b8535d661d02a76aa9
[INFO] running `"docker" "start" "-a" "c5dc4a38cdb9b6fdeb67e145ead0441e47a1e47d2a02e0b8535d661d02a76aa9"`
[INFO] [stderr]     Checking pnet_sys v0.21.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]     Checking hexplay v0.2.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking pnet_datalink v0.21.0
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking pcap2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `link_type`
[INFO] [stderr]   --> src/pcap/header.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn link_type(&self) -> LinkType {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `r`
[INFO] [stderr]    --> src/pcapng/reader.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     r: R,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.21.0
[INFO] [stderr]     Checking pnet_transport v0.21.0
[INFO] [stderr]     Checking pnet v0.21.0
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pcapng`
[INFO] [stderr]   --> tests/integration_tests.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 | use pcap2::{pcap, pcapng};
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/pcapdump.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/pcapdump.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> examples/pcapdump.rs:63:33
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn dump_file<W: Write, R: Read>(w: &mut W, r: &mut R) -> fmt::Result {
[INFO] [stderr]    |                                 ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> examples/pcapdump.rs:63:44
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn dump_file<W: Write, R: Read>(w: &mut W, r: &mut R) -> fmt::Result {
[INFO] [stderr]    |                                            ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: constant in pattern `TimeExceeded` should have an upper case name
[INFO] [stderr]    --> tests/integration_tests.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             TimeExceeded => {
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: convert the identifier to upper case: `TIME_EXCEEDED`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `r`
[INFO] [stderr]    --> src/pcapng/reader.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     r: R,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "c5dc4a38cdb9b6fdeb67e145ead0441e47a1e47d2a02e0b8535d661d02a76aa9"`
[INFO] running `"docker" "rm" "-f" "c5dc4a38cdb9b6fdeb67e145ead0441e47a1e47d2a02e0b8535d661d02a76aa9"`
[INFO] [stdout] c5dc4a38cdb9b6fdeb67e145ead0441e47a1e47d2a02e0b8535d661d02a76aa9