[INFO] updating cached repository https://github.com/krishnakumar4a4/rust-epmd [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 58dbcbf3bf647f89b2da7ee1bb009bbe23658c3d [INFO] testing krishnakumar4a4/rust-epmd against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Frust-epmd" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krishnakumar4a4/rust-epmd on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/krishnakumar4a4/rust-epmd [INFO] finished tweaking git repo https://github.com/krishnakumar4a4/rust-epmd [INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/rust-epmd written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/krishnakumar4a4/rust-epmd already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stdout] 069a3dc042276048cf8b81477d2df390f1be4c80be86e674f93330eaa003e892 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "069a3dc042276048cf8b81477d2df390f1be4c80be86e674f93330eaa003e892"` [INFO] [stderr] Compiling rust-empd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `r_array` [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut r_array: [u8; 30] = [0; 30]; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_array` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut r_array: [u8; 30] = [0; 30]; [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: function is never used: `ask_port` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn ask_port(stream: &mut TcpStream) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `bufVec` should have a snake case name [INFO] [stderr] --> src/main.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut bufVec: [u8; 22] = [0; 22]; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `buf_vec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `"docker" "inspect" "069a3dc042276048cf8b81477d2df390f1be4c80be86e674f93330eaa003e892"` [INFO] running `"docker" "rm" "-f" "069a3dc042276048cf8b81477d2df390f1be4c80be86e674f93330eaa003e892"` [INFO] [stdout] 069a3dc042276048cf8b81477d2df390f1be4c80be86e674f93330eaa003e892 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 77965b36fc09c4da5f19d5b46a30361e28546656b3d7af3f60d6d89210e0966a [INFO] running `"docker" "start" "-a" "77965b36fc09c4da5f19d5b46a30361e28546656b3d7af3f60d6d89210e0966a"` [INFO] [stderr] Compiling rust-empd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `r_array` [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut r_array: [u8; 30] = [0; 30]; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_array` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut r_array: [u8; 30] = [0; 30]; [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: function is never used: `ask_port` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn ask_port(stream: &mut TcpStream) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `bufVec` should have a snake case name [INFO] [stderr] --> src/main.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut bufVec: [u8; 22] = [0; 22]; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `buf_vec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `"docker" "inspect" "77965b36fc09c4da5f19d5b46a30361e28546656b3d7af3f60d6d89210e0966a"` [INFO] running `"docker" "rm" "-f" "77965b36fc09c4da5f19d5b46a30361e28546656b3d7af3f60d6d89210e0966a"` [INFO] [stdout] 77965b36fc09c4da5f19d5b46a30361e28546656b3d7af3f60d6d89210e0966a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stdout] 545fec3ef452e5817c432730ef28efc3d498a0243630fa6936e96c707c5065b3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "545fec3ef452e5817c432730ef28efc3d498a0243630fa6936e96c707c5065b3"` [INFO] [stderr] warning: unused variable: `r_array` [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut r_array: [u8; 30] = [0; 30]; [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_r_array` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let mut r_array: [u8; 30] = [0; 30]; [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: function is never used: `ask_port` [INFO] [stderr] --> src/main.rs:50:4 [INFO] [stderr] | [INFO] [stderr] 50 | fn ask_port(stream: &mut TcpStream) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `bufVec` should have a snake case name [INFO] [stderr] --> src/main.rs:19:13 [INFO] [stderr] | [INFO] [stderr] 19 | let mut bufVec: [u8; 22] = [0; 22]; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `buf_vec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_empd-c64bbf9cc3ebbafa [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_empd-7ac55e2540b0d542 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] [stderr] Doc-tests rust-empd [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" "545fec3ef452e5817c432730ef28efc3d498a0243630fa6936e96c707c5065b3"` [INFO] running `"docker" "rm" "-f" "545fec3ef452e5817c432730ef28efc3d498a0243630fa6936e96c707c5065b3"` [INFO] [stdout] 545fec3ef452e5817c432730ef28efc3d498a0243630fa6936e96c707c5065b3