[INFO] updating cached repository voelklmichael/rust_tcp_data_share
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/voelklmichael/rust_tcp_data_share
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/voelklmichael/rust_tcp_data_share" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/voelklmichael/rust_tcp_data_share"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/voelklmichael/rust_tcp_data_share'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/voelklmichael/rust_tcp_data_share" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/voelklmichael/rust_tcp_data_share"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/voelklmichael/rust_tcp_data_share'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49486b4d665514132191f0cbbf1721d098adbb0d
[INFO] sha for GitHub repo voelklmichael/rust_tcp_data_share: 49486b4d665514132191f0cbbf1721d098adbb0d
[INFO] validating manifest of voelklmichael/rust_tcp_data_share on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of voelklmichael/rust_tcp_data_share on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing voelklmichael/rust_tcp_data_share
[INFO] finished frobbing voelklmichael/rust_tcp_data_share
[INFO] frobbed toml for voelklmichael/rust_tcp_data_share written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/voelklmichael/rust_tcp_data_share/Cargo.toml
[INFO] started frobbing voelklmichael/rust_tcp_data_share
[INFO] finished frobbing voelklmichael/rust_tcp_data_share
[INFO] frobbed toml for voelklmichael/rust_tcp_data_share written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/voelklmichael/rust_tcp_data_share/Cargo.toml
[INFO] crate voelklmichael/rust_tcp_data_share already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking voelklmichael/rust_tcp_data_share against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/voelklmichael/rust_tcp_data_share:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7f549a9d53ed7a7756b717d1b3b1120bffe73cfd7dfd97e38f754316a62a2dd
[INFO] running `"docker" "start" "-a" "a7f549a9d53ed7a7756b717d1b3b1120bffe73cfd7dfd97e38f754316a62a2dd"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking rust_tcp_ipc v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr] warning: variant is never constructed: `Working`
[INFO] [stderr]   --> benches/example_protocol.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Working,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ProtocolExample`
[INFO] [stderr]   --> benches/example_protocol.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum ProtocolExample {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `speed_check_tcp_standard`
[INFO] [stderr]  --> benches/speed_comparison.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn speed_check_tcp_standard(c: &mut criterion::Criterion) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `speed_check_rust_tcp_ipc`
[INFO] [stderr]    --> benches/speed_comparison.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn speed_check_rust_tcp_ipc(c: &mut criterion::Criterion) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.85s
[INFO] running `"docker" "inspect" "a7f549a9d53ed7a7756b717d1b3b1120bffe73cfd7dfd97e38f754316a62a2dd"`
[INFO] running `"docker" "rm" "-f" "a7f549a9d53ed7a7756b717d1b3b1120bffe73cfd7dfd97e38f754316a62a2dd"`
[INFO] [stdout] a7f549a9d53ed7a7756b717d1b3b1120bffe73cfd7dfd97e38f754316a62a2dd