[INFO] updating cached repository Lermex/rustysnek [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Lermex/rustysnek [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Lermex/rustysnek" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Lermex/rustysnek"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Lermex/rustysnek'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Lermex/rustysnek" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Lermex/rustysnek"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Lermex/rustysnek'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f4057162753be9abdbdb4f9db53c2582c799a79 [INFO] sha for GitHub repo Lermex/rustysnek: 3f4057162753be9abdbdb4f9db53c2582c799a79 [INFO] validating manifest of Lermex/rustysnek on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Lermex/rustysnek on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Lermex/rustysnek [INFO] finished frobbing Lermex/rustysnek [INFO] frobbed toml for Lermex/rustysnek written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Lermex/rustysnek/Cargo.toml [INFO] started frobbing Lermex/rustysnek [INFO] finished frobbing Lermex/rustysnek [INFO] frobbed toml for Lermex/rustysnek written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Lermex/rustysnek/Cargo.toml [INFO] crate Lermex/rustysnek already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking Lermex/rustysnek against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Lermex/rustysnek:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a3fa4185328bf2e503fd4ca2648438971b321db87c07b69f96697e14e0c1dfac [INFO] running `"docker" "start" "-a" "a3fa4185328bf2e503fd4ca2648438971b321db87c07b69f96697e14e0c1dfac"` [INFO] [stderr] Compiling serde v0.8.21 [INFO] [stderr] Compiling gcc v0.3.41 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Checking num_cpus v1.2.1 [INFO] [stderr] Checking shared_library v0.1.5 [INFO] [stderr] Compiling x11-dl v2.12.0 [INFO] [stderr] Checking serde_json v0.9.9 [INFO] [stderr] Checking gfx_core v0.5.1 [INFO] [stderr] Checking pistoncore-input v0.15.0 [INFO] [stderr] Compiling glutin v0.7.1 [INFO] [stderr] Compiling gfx_gl v0.3.1 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Checking fs2 v0.2.5 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking deque v0.3.1 [INFO] [stderr] Checking num-bigint v0.1.35 [INFO] [stderr] Checking uuid v0.4.0 [INFO] [stderr] Checking tempfile v2.1.4 [INFO] [stderr] Compiling phf_generator v0.7.20 [INFO] [stderr] Checking memmap v0.4.0 [INFO] [stderr] Checking pistoncore-window v0.24.0 [INFO] [stderr] Checking rayon v0.6.0 [INFO] [stderr] Compiling miniz-sys v0.1.7 [INFO] [stderr] Checking num-rational v0.1.35 [INFO] [stderr] Compiling phf_codegen v0.7.20 [INFO] [stderr] Checking pistoncore-event_loop v0.27.0 [INFO] [stderr] Compiling target_build_utils v0.1.2 [INFO] [stderr] Compiling serde_json v0.8.4 [INFO] [stderr] Checking piston v0.27.0 [INFO] [stderr] Checking jpeg-decoder v0.1.10 [INFO] [stderr] Checking flate2 v0.2.14 [INFO] [stderr] Checking png v0.5.2 [INFO] [stderr] Checking image v0.10.4 [INFO] [stderr] Compiling libloading v0.3.1 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.7.6 [INFO] [stderr] Checking wayland-client v0.7.6 [INFO] [stderr] Checking wayland-window v0.4.3 [INFO] [stderr] Checking wayland-kbd v0.6.2 [INFO] [stderr] Checking winit v0.5.6 [INFO] [stderr] Checking gfx v0.13.0 [INFO] [stderr] Checking gfx_device_gl v0.12.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.33.0 [INFO] [stderr] Checking piston-gfx_texture v0.19.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.34.1 [INFO] [stderr] Checking piston_window v0.60.0 [INFO] [stderr] Checking rustysnek v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:165:98 [INFO] [stderr] | [INFO] [stderr] 165 | fn send_greetings(my_uuid: &Uuid, own_body: &LinkedList) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:224:55 [INFO] [stderr] | [INFO] [stderr] 224 | fn read_buf(socket: &UdpSocket) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len_other` [INFO] [stderr] --> src/main.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | let len_other = (&other_body).len() as f32; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_len_other` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | for x in 0..3 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:165:98 [INFO] [stderr] | [INFO] [stderr] 165 | fn send_greetings(my_uuid: &Uuid, own_body: &LinkedList) -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:224:55 [INFO] [stderr] | [INFO] [stderr] 224 | fn read_buf(socket: &UdpSocket) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | socket.set_read_timeout(Some(Duration::new(0, 1000))); [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:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | 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 variable: `len_other` [INFO] [stderr] --> src/main.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | let len_other = (&other_body).len() as f32; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_len_other` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | for x in 0..3 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:173:5 [INFO] [stderr] | [INFO] [stderr] 173 | socket.set_read_timeout(Some(Duration::new(0, 1000))); [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:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | 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] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `"docker" "inspect" "a3fa4185328bf2e503fd4ca2648438971b321db87c07b69f96697e14e0c1dfac"` [INFO] running `"docker" "rm" "-f" "a3fa4185328bf2e503fd4ca2648438971b321db87c07b69f96697e14e0c1dfac"` [INFO] [stdout] a3fa4185328bf2e503fd4ca2648438971b321db87c07b69f96697e14e0c1dfac