[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/beta-1.38-1/sources/1.37.0/gh/squeed/tcpbench"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/squeed/tcpbench'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/squeed/tcpbench" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/squeed/tcpbench"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of squeed/tcpbench on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/squeed/tcpbench/Cargo.toml [INFO] crate squeed/tcpbench already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing squeed/tcpbench against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/squeed/tcpbench:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] ae33a4c38b4ab6e7c501d570cda1ac0220c0f1efdbddd8a9db1b720ac286d311 [INFO] running `"docker" "start" "-a" "ae33a4c38b4ab6e7c501d570cda1ac0220c0f1efdbddd8a9db1b720ac286d311"` [INFO] [stderr] Compiling streaming-stats v0.1.29 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling histo v0.1.0 [INFO] [stderr] Compiling 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: 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 warning 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] Finished dev [unoptimized + debuginfo] target(s) in 6.12s [INFO] running `"docker" "inspect" "ae33a4c38b4ab6e7c501d570cda1ac0220c0f1efdbddd8a9db1b720ac286d311"` [INFO] running `"docker" "rm" "-f" "ae33a4c38b4ab6e7c501d570cda1ac0220c0f1efdbddd8a9db1b720ac286d311"` [INFO] [stdout] ae33a4c38b4ab6e7c501d570cda1ac0220c0f1efdbddd8a9db1b720ac286d311 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/squeed/tcpbench:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 7106aa7ab98cf9f0e65eae1e4b4cf2b2c220d6db8e27f0139de2d7f90fe36561 [INFO] running `"docker" "start" "-a" "7106aa7ab98cf9f0e65eae1e4b4cf2b2c220d6db8e27f0139de2d7f90fe36561"` [INFO] [stderr] Compiling 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: 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 warning 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] Finished dev [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "7106aa7ab98cf9f0e65eae1e4b4cf2b2c220d6db8e27f0139de2d7f90fe36561"` [INFO] running `"docker" "rm" "-f" "7106aa7ab98cf9f0e65eae1e4b4cf2b2c220d6db8e27f0139de2d7f90fe36561"` [INFO] [stdout] 7106aa7ab98cf9f0e65eae1e4b4cf2b2c220d6db8e27f0139de2d7f90fe36561 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/squeed/tcpbench:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 635fbfc2cd8b53ef6dfc5c722af85ae5dcca572ef1f2cb4a401cc60b375b2fbc [INFO] running `"docker" "start" "-a" "635fbfc2cd8b53ef6dfc5c722af85ae5dcca572ef1f2cb4a401cc60b375b2fbc"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/tcpbench-4a442f5e529509cc [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] Running /opt/crater/target/debug/deps/tcpbench-37367ef3c267a97f [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 tcpbench [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" "635fbfc2cd8b53ef6dfc5c722af85ae5dcca572ef1f2cb4a401cc60b375b2fbc"` [INFO] running `"docker" "rm" "-f" "635fbfc2cd8b53ef6dfc5c722af85ae5dcca572ef1f2cb4a401cc60b375b2fbc"` [INFO] [stdout] 635fbfc2cd8b53ef6dfc5c722af85ae5dcca572ef1f2cb4a401cc60b375b2fbc