[INFO] updating cached repository https://github.com/Jiyuu/udpDuplicator [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] 55749bb9d69505257e6b98c3b3913ed264efaf82 [INFO] checking Jiyuu/udpDuplicator against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJiyuu%2FudpDuplicator" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jiyuu/udpDuplicator on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Jiyuu/udpDuplicator [INFO] finished tweaking git repo https://github.com/Jiyuu/udpDuplicator [INFO] tweaked toml for git repo https://github.com/Jiyuu/udpDuplicator written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Jiyuu/udpDuplicator already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 94d0facca661b17a4a3cb64572cd150876ce6baedb939b051b6f6d301ba1706e [INFO] running `"docker" "start" "-a" "94d0facca661b17a4a3cb64572cd150876ce6baedb939b051b6f6d301ba1706e"` [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking udpDuplicator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `ArgGroup`, `SubCommand` [INFO] [stderr] --> src/main.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use clap::{Arg, App, SubCommand, ArgGroup}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 62 | / loop { [INFO] [stderr] 63 | | if repeat_count < 1000 { [INFO] [stderr] 64 | | target_socket.send(&data[..length]).unwrap(); [INFO] [stderr] 65 | | repeat_count = repeat_count + 1; [INFO] [stderr] ... | [INFO] [stderr] 74 | | } [INFO] [stderr] 75 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 76 | handler.join().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handler` [INFO] [stderr] --> src/main.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let handler = thread::spawn({ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length` [INFO] [stderr] --> src/main.rs:67:19 [INFO] [stderr] | [INFO] [stderr] 67 | if let Ok(length) = socket.recv(&mut data) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length` [INFO] [stderr] --> src/main.rs:71:23 [INFO] [stderr] | [INFO] [stderr] 71 | if let Ok(length) = socket.recv(&mut data) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:10 [INFO] [stderr] | [INFO] [stderr] 46 | let (mut length, source_address) = socket.recv_from(&mut data).unwrap(); [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: crate `udpDuplicator` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `udp_duplicator` [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ArgGroup`, `SubCommand` [INFO] [stderr] --> src/main.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use clap::{Arg, App, SubCommand, ArgGroup}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | socket.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | socket.set_read_timeout(None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | target_socket.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | socket.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 62 | / loop { [INFO] [stderr] 63 | | if repeat_count < 1000 { [INFO] [stderr] 64 | | target_socket.send(&data[..length]).unwrap(); [INFO] [stderr] 65 | | repeat_count = repeat_count + 1; [INFO] [stderr] ... | [INFO] [stderr] 74 | | } [INFO] [stderr] 75 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 76 | handler.join().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handler` [INFO] [stderr] --> src/main.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let handler = thread::spawn({ [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handler` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length` [INFO] [stderr] --> src/main.rs:67:19 [INFO] [stderr] | [INFO] [stderr] 67 | if let Ok(length) = socket.recv(&mut data) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `length` [INFO] [stderr] --> src/main.rs:71:23 [INFO] [stderr] | [INFO] [stderr] 71 | if let Ok(length) = socket.recv(&mut data) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:10 [INFO] [stderr] | [INFO] [stderr] 46 | let (mut length, source_address) = socket.recv_from(&mut data).unwrap(); [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: crate `udpDuplicator` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `udp_duplicator` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | socket.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | socket.set_read_timeout(None); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | target_socket.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | socket.set_nonblocking(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.89s [INFO] running `"docker" "inspect" "94d0facca661b17a4a3cb64572cd150876ce6baedb939b051b6f6d301ba1706e"` [INFO] running `"docker" "rm" "-f" "94d0facca661b17a4a3cb64572cd150876ce6baedb939b051b6f6d301ba1706e"` [INFO] [stdout] 94d0facca661b17a4a3cb64572cd150876ce6baedb939b051b6f6d301ba1706e