[INFO] updating cached repository Skalldihor/rusference [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Skalldihor/rusference [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Skalldihor/rusference" "work/ex/beta-1.38-1/sources/1.37.0/gh/Skalldihor/rusference"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Skalldihor/rusference'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Skalldihor/rusference" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Skalldihor/rusference"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Skalldihor/rusference'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8755fd74853580736f2082f0bece62f794a49bb1 [INFO] sha for GitHub repo Skalldihor/rusference: 8755fd74853580736f2082f0bece62f794a49bb1 [INFO] validating manifest of Skalldihor/rusference on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Skalldihor/rusference on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Skalldihor/rusference [INFO] finished frobbing Skalldihor/rusference [INFO] frobbed toml for Skalldihor/rusference written to work/ex/beta-1.38-1/sources/1.37.0/gh/Skalldihor/rusference/Cargo.toml [INFO] started frobbing Skalldihor/rusference [INFO] finished frobbing Skalldihor/rusference [INFO] frobbed toml for Skalldihor/rusference written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Skalldihor/rusference/Cargo.toml [INFO] crate Skalldihor/rusference already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Skalldihor/rusference against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Skalldihor/rusference:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 788633c0d8c89f13a8cbec8de34537356c55e919897670a4c0e457d37277f5df [INFO] running `"docker" "start" "-a" "788633c0d8c89f13a8cbec8de34537356c55e919897670a4c0e457d37277f5df"` [INFO] [stderr] Compiling serde v0.7.15 [INFO] [stderr] Compiling bincode v0.9.2 [INFO] [stderr] Compiling serde_derive_internals v0.18.0 [INFO] [stderr] Compiling serde_derive v1.0.24 [INFO] [stderr] Compiling Rusference v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/common.rs:9:7 [INFO] [stderr] | [INFO] [stderr] 9 | let mut socket; [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: variable does not need to be mutable [INFO] [stderr] --> src/lib/common.rs:25:7 [INFO] [stderr] | [INFO] [stderr] 25 | let mut data; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error: couldn't read src/palestrante/main.rs: No such file or directory (os error 2) [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `Rusference`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/aluno/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddr` [INFO] [stderr] --> src/aluno/main.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::net::{SocketAddr, UdpSocket}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/aluno/screen.rs:3:6 [INFO] [stderr] | [INFO] [stderr] 3 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/monitor/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/monitor/screen.rs:3:6 [INFO] [stderr] | [INFO] [stderr] 3 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `name` is assigned to, but never used [INFO] [stderr] --> src/aluno/main.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let mut name: String; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_name` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `name` is never read [INFO] [stderr] --> src/aluno/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | name = screen::menu::get_name(); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `muiltcast_socket` [INFO] [stderr] --> src/aluno/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let muiltcast_socket = UdpSocket::bind(multicast_addr).expect("couldn't bind to address"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_muiltcast_socket` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/aluno/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut name: String; [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: variable does not need to be mutable [INFO] [stderr] --> src/aluno/main.rs:41:29 [INFO] [stderr] | [INFO] [stderr] 41 | let mut message = screen::menu::choiche(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/aluno/screen.rs:29:3 [INFO] [stderr] | [INFO] [stderr] 29 | io::stdin().read_line(&mut input); [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: variable `name` is assigned to, but never used [INFO] [stderr] --> src/monitor/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | let mut name: String; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] = note: consider using `_name` instead [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resposta` [INFO] [stderr] --> src/monitor/main.rs:28:13 [INFO] [stderr] | [INFO] [stderr] 28 | let mut resposta: String; [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_resposta` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `name` is never read [INFO] [stderr] --> src/monitor/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | name = screen::menu::get_name(); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `send_multicast` [INFO] [stderr] --> src/monitor/main.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let send_multicast = net::SocketAddrV4::new(multicast_ip, 35255); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_send_multicast` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle` [INFO] [stderr] --> src/monitor/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | let handle = thread::spawn(move || { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_handle` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/monitor/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let mut name: String; [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: variable does not need to be mutable [INFO] [stderr] --> src/monitor/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut data; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Person` [INFO] [stderr] --> src/monitor/main.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | struct Person { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Message` [INFO] [stderr] --> src/monitor/main.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | struct Message { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/monitor/main.rs:73:3 [INFO] [stderr] | [INFO] [stderr] 73 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/monitor/screen.rs:29:3 [INFO] [stderr] | [INFO] [stderr] 29 | io::stdin().read_line(&mut input); [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] error: build failed [INFO] running `"docker" "inspect" "788633c0d8c89f13a8cbec8de34537356c55e919897670a4c0e457d37277f5df"` [INFO] running `"docker" "rm" "-f" "788633c0d8c89f13a8cbec8de34537356c55e919897670a4c0e457d37277f5df"` [INFO] [stdout] 788633c0d8c89f13a8cbec8de34537356c55e919897670a4c0e457d37277f5df