[INFO] cloning repository https://github.com/songhaoxin/simple-tcp-echo-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/songhaoxin/simple-tcp-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonghaoxin%2Fsimple-tcp-echo-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonghaoxin%2Fsimple-tcp-echo-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f1f95008231cdf69608ac51b88d18e0d37d91a35 [INFO] testing songhaoxin/simple-tcp-echo-server against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonghaoxin%2Fsimple-tcp-echo-server" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/songhaoxin/simple-tcp-echo-server on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/songhaoxin/simple-tcp-echo-server [INFO] finished tweaking git repo https://github.com/songhaoxin/simple-tcp-echo-server [INFO] tweaked toml for git repo https://github.com/songhaoxin/simple-tcp-echo-server written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/songhaoxin/simple-tcp-echo-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9645d4e32368f31415a5d626be074228b94719ce05643143664311b2c2c17ec9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9645d4e32368f31415a5d626be074228b94719ce05643143664311b2c2c17ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9645d4e32368f31415a5d626be074228b94719ce05643143664311b2c2c17ec9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9645d4e32368f31415a5d626be074228b94719ce05643143664311b2c2c17ec9", kill_on_drop: false }` [INFO] [stdout] 9645d4e32368f31415a5d626be074228b94719ce05643143664311b2c2c17ec9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01fcf76824a42873d7c83ff38304427795e83c20c013d8bdd279e5b90b67f3c5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "01fcf76824a42873d7c83ff38304427795e83c20c013d8bdd279e5b90b67f3c5", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-echo-client v0.1.0 (/opt/rustwide/workdir/tcp-echo-client) [INFO] [stderr] Compiling tcp-echo-server v0.1.0 (/opt/rustwide/workdir/tcp-echo-server) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> tcp-echo-client/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut input = String::new(); [INFO] [stdout] 9 | | io::stdin() [INFO] [stdout] 10 | | .read_line(&mut input) [INFO] [stdout] ... | [INFO] [stdout] 23 | | println!(""); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 25 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "01fcf76824a42873d7c83ff38304427795e83c20c013d8bdd279e5b90b67f3c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01fcf76824a42873d7c83ff38304427795e83c20c013d8bdd279e5b90b67f3c5", kill_on_drop: false }` [INFO] [stdout] 01fcf76824a42873d7c83ff38304427795e83c20c013d8bdd279e5b90b67f3c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 140a04d192cb8775ae338b198d68c3999cfebaa9c723f4b572d9ebd19d5f37f9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "140a04d192cb8775ae338b198d68c3999cfebaa9c723f4b572d9ebd19d5f37f9", kill_on_drop: false }` [INFO] [stderr] Compiling tcp-echo-client v0.1.0 (/opt/rustwide/workdir/tcp-echo-client) [INFO] [stderr] Compiling tcp-echo-server v0.1.0 (/opt/rustwide/workdir/tcp-echo-server) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> tcp-echo-client/src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut input = String::new(); [INFO] [stdout] 9 | | io::stdin() [INFO] [stdout] 10 | | .read_line(&mut input) [INFO] [stdout] ... | [INFO] [stdout] 23 | | println!(""); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 25 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `Command { std: "docker" "inspect" "140a04d192cb8775ae338b198d68c3999cfebaa9c723f4b572d9ebd19d5f37f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "140a04d192cb8775ae338b198d68c3999cfebaa9c723f4b572d9ebd19d5f37f9", kill_on_drop: false }` [INFO] [stdout] 140a04d192cb8775ae338b198d68c3999cfebaa9c723f4b572d9ebd19d5f37f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8cc09cd492b510c79328e552684d9ad22b20f0910c3de76c9c021fdb739faca0 [INFO] running `Command { std: "docker" "start" "-a" "8cc09cd492b510c79328e552684d9ad22b20f0910c3de76c9c021fdb739faca0", kill_on_drop: false }` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> tcp-echo-client/src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 7 | / loop { [INFO] [stderr] 8 | | let mut input = String::new(); [INFO] [stderr] 9 | | io::stdin() [INFO] [stderr] 10 | | .read_line(&mut input) [INFO] [stderr] ... | [INFO] [stderr] 23 | | println!(""); [INFO] [stderr] 24 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 25 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tcp-echo-client` (bin "tcp-echo-client" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tcp_echo_client-65127347113d0e04) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tcp_echo_server-e3a031e65e5baa14) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8cc09cd492b510c79328e552684d9ad22b20f0910c3de76c9c021fdb739faca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cc09cd492b510c79328e552684d9ad22b20f0910c3de76c9c021fdb739faca0", kill_on_drop: false }` [INFO] [stdout] 8cc09cd492b510c79328e552684d9ad22b20f0910c3de76c9c021fdb739faca0