[INFO] updating cached repository wumingyue123/udp_server [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wumingyue123/udp_server [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wumingyue123/udp_server" "work/ex/beta-1.37-6/sources/1.36.0/gh/wumingyue123/udp_server"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wumingyue123/udp_server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wumingyue123/udp_server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wumingyue123/udp_server"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wumingyue123/udp_server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7f3eb22687816663febdbd1b68e78e01cf4121b2 [INFO] sha for GitHub repo wumingyue123/udp_server: 7f3eb22687816663febdbd1b68e78e01cf4121b2 [INFO] validating manifest of wumingyue123/udp_server 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 wumingyue123/udp_server 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 wumingyue123/udp_server [INFO] finished frobbing wumingyue123/udp_server [INFO] frobbed toml for wumingyue123/udp_server written to work/ex/beta-1.37-6/sources/1.36.0/gh/wumingyue123/udp_server/Cargo.toml [INFO] started frobbing wumingyue123/udp_server [INFO] finished frobbing wumingyue123/udp_server [INFO] frobbed toml for wumingyue123/udp_server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wumingyue123/udp_server/Cargo.toml [INFO] crate wumingyue123/udp_server 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 wumingyue123/udp_server 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-4/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/wumingyue123/udp_server:/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] 7723f043844d4b357ed158215b94b5388b44e1c40d924d9d86f251744eda2360 [INFO] running `"docker" "start" "-a" "7723f043844d4b357ed158215b94b5388b44e1c40d924d9d86f251744eda2360"` [INFO] [stderr] Compiling udp_server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::net::Ipv4Addr` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::Ipv4Addr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut socket = UdpSocket::bind(LOCAL).expect("unable to bind to ipaddr"); [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/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut message = String::from("hello"); [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/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | socket.set_nonblocking(false); [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:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | socket.set_broadcast(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:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | socket.set_multicast_loop_v4(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:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | socket.connect("127.0.0.1:34254"); [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 0.90s [INFO] running `"docker" "inspect" "7723f043844d4b357ed158215b94b5388b44e1c40d924d9d86f251744eda2360"` [INFO] running `"docker" "rm" "-f" "7723f043844d4b357ed158215b94b5388b44e1c40d924d9d86f251744eda2360"` [INFO] [stdout] 7723f043844d4b357ed158215b94b5388b44e1c40d924d9d86f251744eda2360 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/wumingyue123/udp_server:/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] 6e060edfaa24afd8a4965c3fd1fa13e99942068e77d6604d3189d32195ff75da [INFO] running `"docker" "start" "-a" "6e060edfaa24afd8a4965c3fd1fa13e99942068e77d6604d3189d32195ff75da"` [INFO] [stderr] Compiling udp_server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::net::Ipv4Addr` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::Ipv4Addr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut socket = UdpSocket::bind(LOCAL).expect("unable to bind to ipaddr"); [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/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let mut message = String::from("hello"); [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/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | socket.set_nonblocking(false); [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:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | socket.set_broadcast(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:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | socket.set_multicast_loop_v4(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:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | socket.connect("127.0.0.1:34254"); [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 0.68s [INFO] running `"docker" "inspect" "6e060edfaa24afd8a4965c3fd1fa13e99942068e77d6604d3189d32195ff75da"` [INFO] running `"docker" "rm" "-f" "6e060edfaa24afd8a4965c3fd1fa13e99942068e77d6604d3189d32195ff75da"` [INFO] [stdout] 6e060edfaa24afd8a4965c3fd1fa13e99942068e77d6604d3189d32195ff75da [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/wumingyue123/udp_server:/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] 897e2135938478d07e65707de79bfefe9e0e2fed9d75f8d78eed7a2944e865b1 [INFO] running `"docker" "start" "-a" "897e2135938478d07e65707de79bfefe9e0e2fed9d75f8d78eed7a2944e865b1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/udp_server-d322309f69a290c5 [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" "897e2135938478d07e65707de79bfefe9e0e2fed9d75f8d78eed7a2944e865b1"` [INFO] running `"docker" "rm" "-f" "897e2135938478d07e65707de79bfefe9e0e2fed9d75f8d78eed7a2944e865b1"` [INFO] [stdout] 897e2135938478d07e65707de79bfefe9e0e2fed9d75f8d78eed7a2944e865b1