[INFO] cloning repository https://github.com/aswaving/netcat-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aswaving/netcat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faswaving%2Fnetcat-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faswaving%2Fnetcat-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7e599b2baa2d79d26bdb4efb21acb0d777ae028 [INFO] checking aswaving/netcat-rs against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faswaving%2Fnetcat-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aswaving/netcat-rs on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aswaving/netcat-rs [INFO] finished tweaking git repo https://github.com/aswaving/netcat-rs [INFO] tweaked toml for git repo https://github.com/aswaving/netcat-rs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/aswaving/netcat-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded term_size v0.2.1 [INFO] [stderr] Downloaded unicode-segmentation v0.1.2 [INFO] [stderr] Downloaded vec_map v0.6.0 [INFO] [stderr] Downloaded strsim v0.5.1 [INFO] [stderr] Downloaded clap v2.13.0 [INFO] [stderr] Downloaded libc v0.2.16 [INFO] [stderr] Downloaded unicode-width v0.1.3 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b3d816545151a64300ac63bf372bfe4d859a6393bf35acc2b12cd1cf817a476 [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" "2b3d816545151a64300ac63bf372bfe4d859a6393bf35acc2b12cd1cf817a476", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b3d816545151a64300ac63bf372bfe4d859a6393bf35acc2b12cd1cf817a476", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3d816545151a64300ac63bf372bfe4d859a6393bf35acc2b12cd1cf817a476", kill_on_drop: false }` [INFO] [stdout] 2b3d816545151a64300ac63bf372bfe4d859a6393bf35acc2b12cd1cf817a476 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7538f73a1f7c54a42192bad3e405664674752dc34ef182b662f4bd318b708b9 [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" "e7538f73a1f7c54a42192bad3e405664674752dc34ef182b662f4bd318b708b9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.16 [INFO] [stderr] Checking unicode-width v0.1.3 [INFO] [stderr] Checking vec_map v0.6.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking strsim v0.5.1 [INFO] [stderr] Checking unicode-segmentation v0.1.2 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking term_size v0.2.1 [INFO] [stderr] Checking clap v2.13.0 [INFO] [stderr] Checking netcat-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/iopoll.rs:169:47 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn run(&mut self, event_handler: &mut EventHandler) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/iopoll.rs:169:47 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn run(&mut self, event_handler: &mut EventHandler) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:13:51 [INFO] [stdout] | [INFO] [stdout] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:13:51 [INFO] [stdout] | [INFO] [stdout] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:20:53 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:21:26 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:21:54 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:26:27 [INFO] [stdout] | [INFO] [stdout] 26 | fn timeout(&mut self, event_loop: &mut EventLoop) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nr` [INFO] [stdout] --> src/iopoll.rs:195:26 [INFO] [stdout] | [INFO] [stdout] 195 | for (nr, &(fd, eventset)) in bla.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_nr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin_stream` [INFO] [stdout] --> src/iopoll.rs:248:38 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:20:53 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:21:26 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:21:54 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:26:27 [INFO] [stdout] | [INFO] [stdout] 26 | fn timeout(&mut self, event_loop: &mut EventLoop) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nr` [INFO] [stdout] --> src/iopoll.rs:195:26 [INFO] [stdout] | [INFO] [stdout] 195 | for (nr, &(fd, eventset)) in bla.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_nr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin_stream` [INFO] [stdout] --> src/iopoll.rs:248:38 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iopoll.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut result = Ok(()); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iopoll.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut result = Ok(()); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.32s [INFO] running `Command { std: "docker" "inspect" "e7538f73a1f7c54a42192bad3e405664674752dc34ef182b662f4bd318b708b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7538f73a1f7c54a42192bad3e405664674752dc34ef182b662f4bd318b708b9", kill_on_drop: false }` [INFO] [stdout] e7538f73a1f7c54a42192bad3e405664674752dc34ef182b662f4bd318b708b9