[INFO] fetching crate nc 0.5.1... [INFO] checking nc-0.5.1 against beta for pr-78714 [INFO] extracting crate nc 0.5.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate nc 0.5.1 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate nc 0.5.1 [INFO] finished tweaking crates.io crate nc 0.5.1 [INFO] tweaked toml for crates.io crate nc 0.5.1 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate nc 0.5.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f56a806f522fe4fdd45d46352ec2332184a2cbcfee746bff5ad130d9e8d680f1 [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" "f56a806f522fe4fdd45d46352ec2332184a2cbcfee746bff5ad130d9e8d680f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f56a806f522fe4fdd45d46352ec2332184a2cbcfee746bff5ad130d9e8d680f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f56a806f522fe4fdd45d46352ec2332184a2cbcfee746bff5ad130d9e8d680f1", kill_on_drop: false }` [INFO] [stdout] f56a806f522fe4fdd45d46352ec2332184a2cbcfee746bff5ad130d9e8d680f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] aa94d5132bc83789ff71d5ec207d46fcdfd44030e2e99da310490bfa16fdf4dd [INFO] running `Command { std: "docker" "start" "-a" "aa94d5132bc83789ff71d5ec207d46fcdfd44030e2e99da310490bfa16fdf4dd", kill_on_drop: false }` [INFO] [stderr] Compiling nc v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `KEY_SPACE` [INFO] [stdout] --> examples/keyboard.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | const KEY_SPACE: usize = 57; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> examples/socket.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 27 | / loop { [INFO] [stdout] 28 | | let mut conn_addr = nc::sockaddr_in_t::default(); [INFO] [stdout] 29 | | let mut conn_addr_len: nc::socklen_t = 0; [INFO] [stdout] 30 | | let conn_fd = nc::accept(listen_fd, &mut conn_addr, &mut conn_addr_len)?; [INFO] [stdout] 31 | | println!("conn_fd: {:?}", conn_fd); [INFO] [stdout] 32 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 33 | [INFO] [stdout] 34 | return Ok(()); [INFO] [stdout] | ^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 3 arguments but 2 arguments were supplied [INFO] [stdout] --> examples/file.rs:35:15 [INFO] [stdout] | [INFO] [stdout] 35 | match nc::read(self.fd, buf) { [INFO] [stdout] | ^^^^^^^^ ------- --- supplied 2 arguments [INFO] [stdout] | | [INFO] [stdout] | expected 3 arguments [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0061`. [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nc` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "aa94d5132bc83789ff71d5ec207d46fcdfd44030e2e99da310490bfa16fdf4dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa94d5132bc83789ff71d5ec207d46fcdfd44030e2e99da310490bfa16fdf4dd", kill_on_drop: false }` [INFO] [stdout] aa94d5132bc83789ff71d5ec207d46fcdfd44030e2e99da310490bfa16fdf4dd