[INFO] cloning repository https://github.com/squeed/tcpbench [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/squeed/tcpbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqueed%2Ftcpbench"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqueed%2Ftcpbench'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f27bcf1923db39913ccdc7c5e40abee9db7c037f [INFO] checking squeed/tcpbench against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsqueed%2Ftcpbench" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/squeed/tcpbench on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/squeed/tcpbench [INFO] finished tweaking git repo https://github.com/squeed/tcpbench [INFO] tweaked toml for git repo https://github.com/squeed/tcpbench written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/squeed/tcpbench already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fc8afbe413c92a9cfd71e55980ded87995652e7ef1d1efda6ae93559f72e6b11 [INFO] running `"docker" "start" "-a" "fc8afbe413c92a9cfd71e55980ded87995652e7ef1d1efda6ae93559f72e6b11"` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking streaming-stats v0.1.29 [INFO] [stderr] Checking histo v0.1.0 [INFO] [stderr] Checking tcpbench v0.2.0 (/opt/rustwide/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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [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 (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 46 | / loop { [INFO] [stderr] 47 | | let (mut s, _) = self.sock.accept()?; [INFO] [stderr] 48 | | s.set_nodelay(true)?; [INFO] [stderr] 49 | | loop { [INFO] [stderr] ... | [INFO] [stderr] 57 | | } [INFO] [stderr] 58 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 59 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` 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: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [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 (in Nightly builds, run with -Z 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: this warning originates in a macro (in Nightly builds, run with -Z 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: unreachable expression [INFO] [stderr] --> src/lib.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 46 | / loop { [INFO] [stderr] 47 | | let (mut s, _) = self.sock.accept()?; [INFO] [stderr] 48 | | s.set_nodelay(true)?; [INFO] [stderr] 49 | | loop { [INFO] [stderr] ... | [INFO] [stderr] 57 | | } [INFO] [stderr] 58 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] 59 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [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: this warning originates in a macro (in Nightly builds, run with -Z 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.87s [INFO] running `"docker" "inspect" "fc8afbe413c92a9cfd71e55980ded87995652e7ef1d1efda6ae93559f72e6b11"` [INFO] running `"docker" "rm" "-f" "fc8afbe413c92a9cfd71e55980ded87995652e7ef1d1efda6ae93559f72e6b11"` [INFO] [stdout] fc8afbe413c92a9cfd71e55980ded87995652e7ef1d1efda6ae93559f72e6b11