[INFO] updating cached repository Voronchikhin/networking_labs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Voronchikhin/networking_labs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Voronchikhin/networking_labs" "work/ex/beta-1.37-6/sources/1.36.0/gh/Voronchikhin/networking_labs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Voronchikhin/networking_labs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Voronchikhin/networking_labs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Voronchikhin/networking_labs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Voronchikhin/networking_labs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 892f4113571145b7383298258c3129f4a177dbcf [INFO] sha for GitHub repo Voronchikhin/networking_labs: 892f4113571145b7383298258c3129f4a177dbcf [INFO] validating manifest of Voronchikhin/networking_labs on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Voronchikhin/networking_labs on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Voronchikhin/networking_labs [INFO] finished frobbing Voronchikhin/networking_labs [INFO] frobbed toml for Voronchikhin/networking_labs written to work/ex/beta-1.37-6/sources/1.36.0/gh/Voronchikhin/networking_labs/Cargo.toml [INFO] started frobbing Voronchikhin/networking_labs [INFO] finished frobbing Voronchikhin/networking_labs [INFO] frobbed toml for Voronchikhin/networking_labs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Voronchikhin/networking_labs/Cargo.toml [INFO] crate Voronchikhin/networking_labs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Voronchikhin/networking_labs against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Voronchikhin/networking_labs:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 06924424b7cf0ba2f6e13fed91223393216352ef4833b5e335f52be5a902b260 [INFO] running `"docker" "start" "-a" "06924424b7cf0ba2f6e13fed91223393216352ef4833b5e335f52be5a902b260"` [INFO] [stderr] Compiling Multicaster v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `net2` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use net2::*; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let buffer = [0u8; 1600]; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_buffer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:26:17 [INFO] [stderr] | [INFO] [stderr] 26 | Err(e) => println!("sending error"), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v4_addr` [INFO] [stderr] --> src/main.rs:40:20 [INFO] [stderr] | [INFO] [stderr] 40 | IpAddr::V4(v4_addr) => UdpBuilder::new_v4(), [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_v4_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v6_addr` [INFO] [stderr] --> src/main.rs:41:20 [INFO] [stderr] | [INFO] [stderr] 41 | IpAddr::V6(v6_addr) => UdpBuilder::new_v6(), [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_v6_addr` [INFO] [stderr] [INFO] [stderr] warning: crate `Multicaster` 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: `multicaster` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | socket.set_read_timeout(Option::from(Duration::from_secs(3))); [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:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | _sender_handle.unwrap().join(); [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:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | _listener_handle.unwrap().join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `"docker" "inspect" "06924424b7cf0ba2f6e13fed91223393216352ef4833b5e335f52be5a902b260"` [INFO] running `"docker" "rm" "-f" "06924424b7cf0ba2f6e13fed91223393216352ef4833b5e335f52be5a902b260"` [INFO] [stdout] 06924424b7cf0ba2f6e13fed91223393216352ef4833b5e335f52be5a902b260 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Voronchikhin/networking_labs:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] aa22870f7abca3f4593f5547eb39e0d4270f281edb46462299560e2ffa9bbf77 [INFO] running `"docker" "start" "-a" "aa22870f7abca3f4593f5547eb39e0d4270f281edb46462299560e2ffa9bbf77"` [INFO] [stderr] Compiling Multicaster v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `net2` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use net2::*; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buffer` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let buffer = [0u8; 1600]; [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_buffer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:26:17 [INFO] [stderr] | [INFO] [stderr] 26 | Err(e) => println!("sending error"), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v4_addr` [INFO] [stderr] --> src/main.rs:40:20 [INFO] [stderr] | [INFO] [stderr] 40 | IpAddr::V4(v4_addr) => UdpBuilder::new_v4(), [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_v4_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v6_addr` [INFO] [stderr] --> src/main.rs:41:20 [INFO] [stderr] | [INFO] [stderr] 41 | IpAddr::V6(v6_addr) => UdpBuilder::new_v6(), [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_v6_addr` [INFO] [stderr] [INFO] [stderr] warning: crate `Multicaster` 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: `multicaster` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:50:5 [INFO] [stderr] | [INFO] [stderr] 50 | socket.set_read_timeout(Option::from(Duration::from_secs(3))); [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:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | _sender_handle.unwrap().join(); [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:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | _listener_handle.unwrap().join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `"docker" "inspect" "aa22870f7abca3f4593f5547eb39e0d4270f281edb46462299560e2ffa9bbf77"` [INFO] running `"docker" "rm" "-f" "aa22870f7abca3f4593f5547eb39e0d4270f281edb46462299560e2ffa9bbf77"` [INFO] [stdout] aa22870f7abca3f4593f5547eb39e0d4270f281edb46462299560e2ffa9bbf77 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Voronchikhin/networking_labs:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 48483fdb6c1c9a08a234cab5a85252b3c6706a94ec292923a757121cc4fd3cba [INFO] running `"docker" "start" "-a" "48483fdb6c1c9a08a234cab5a85252b3c6706a94ec292923a757121cc4fd3cba"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/Multicaster-cc65cafe35eede1f [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" "48483fdb6c1c9a08a234cab5a85252b3c6706a94ec292923a757121cc4fd3cba"` [INFO] running `"docker" "rm" "-f" "48483fdb6c1c9a08a234cab5a85252b3c6706a94ec292923a757121cc4fd3cba"` [INFO] [stdout] 48483fdb6c1c9a08a234cab5a85252b3c6706a94ec292923a757121cc4fd3cba