[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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/voelklmichael/rust_tcp_data_share"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/voelklmichael/rust_tcp_data_share"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of voelklmichael/rust_tcp_data_share on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-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-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking voelklmichael/rust_tcp_data_share against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f1d926ba14f4a9beec4d0ee611d085b64e87456f48889e9ac7120cff3eb15ace
[INFO] running `"docker" "start" "-a" "f1d926ba14f4a9beec4d0ee611d085b64e87456f48889e9ac7120cff3eb15ace"`
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking rust_tcp_ipc v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking criterion-plot 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 28.47s
[INFO] running `"docker" "inspect" "f1d926ba14f4a9beec4d0ee611d085b64e87456f48889e9ac7120cff3eb15ace"`
[INFO] running `"docker" "rm" "-f" "f1d926ba14f4a9beec4d0ee611d085b64e87456f48889e9ac7120cff3eb15ace"`
[INFO] [stdout] f1d926ba14f4a9beec4d0ee611d085b64e87456f48889e9ac7120cff3eb15ace