[INFO] updating cached repository squeed/tcpbench [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/squeed/tcpbench [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/squeed/tcpbench" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/squeed/tcpbench"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/squeed/tcpbench'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/squeed/tcpbench" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/squeed/tcpbench"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/squeed/tcpbench'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f27bcf1923db39913ccdc7c5e40abee9db7c037f [INFO] sha for GitHub repo squeed/tcpbench: f27bcf1923db39913ccdc7c5e40abee9db7c037f [INFO] validating manifest of squeed/tcpbench on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of squeed/tcpbench on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing squeed/tcpbench [INFO] finished frobbing squeed/tcpbench [INFO] frobbed toml for squeed/tcpbench written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/squeed/tcpbench/Cargo.toml [INFO] started frobbing squeed/tcpbench [INFO] finished frobbing squeed/tcpbench [INFO] frobbed toml for squeed/tcpbench written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/squeed/tcpbench/Cargo.toml [INFO] crate squeed/tcpbench already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/squeed/tcpbench/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded histo v0.1.0 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking squeed/tcpbench against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/squeed/tcpbench:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ec357cc9ef7a8806d0deaf3e1ffde3ae2870900449ea0b9c3b3f209d2cf1198e [INFO] running `"docker" "start" "-a" "ec357cc9ef7a8806d0deaf3e1ffde3ae2870900449ea0b9c3b3f209d2cf1198e"` [INFO] [stderr] Checking streaming-stats v0.1.29 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking histo v0.1.0 [INFO] [stderr] Checking tcpbench v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | Ok(()) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | Ok(()) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | / error_chain!{ [INFO] [stderr] 9 | | foreign_links { [INFO] [stderr] 10 | | IO(::std::io::Error); [INFO] [stderr] 11 | | } [INFO] [stderr] ... | [INFO] [stderr] 21 | | } [INFO] [stderr] 22 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/lib.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | / error_chain!{ [INFO] [stderr] 9 | | foreign_links { [INFO] [stderr] 10 | | IO(::std::io::Error); [INFO] [stderr] 11 | | } [INFO] [stderr] ... | [INFO] [stderr] 21 | | } [INFO] [stderr] 22 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:119:21 [INFO] [stderr] | [INFO] [stderr] 119 | Err(e) => rr.failed_pings += 1, [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t_1` [INFO] [stderr] --> src/lib.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | let t_1 = PreciseTime::now(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_t_1` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut s = TcpStream::connect(self.address.clone())?; [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] warning: unused variable: `e` [INFO] [stderr] --> src/lib.rs:119:21 [INFO] [stderr] | [INFO] [stderr] 119 | Err(e) => rr.failed_pings += 1, [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t_1` [INFO] [stderr] --> src/lib.rs:129:13 [INFO] [stderr] | [INFO] [stderr] 129 | let t_1 = PreciseTime::now(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_t_1` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:103:13 [INFO] [stderr] | [INFO] [stderr] 103 | let mut s = TcpStream::connect(self.address.clone())?; [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 2.15s [INFO] running `"docker" "inspect" "ec357cc9ef7a8806d0deaf3e1ffde3ae2870900449ea0b9c3b3f209d2cf1198e"` [INFO] running `"docker" "rm" "-f" "ec357cc9ef7a8806d0deaf3e1ffde3ae2870900449ea0b9c3b3f209d2cf1198e"` [INFO] [stdout] ec357cc9ef7a8806d0deaf3e1ffde3ae2870900449ea0b9c3b3f209d2cf1198e