[INFO] updating cached repository https://github.com/echelon/etherdream-emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 656568a599c357495d725b20e93b6fadda29ac26
[INFO] checking echelon/etherdream-emulator against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechelon%2Fetherdream-emulator" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/echelon/etherdream-emulator on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/echelon/etherdream-emulator
[INFO] finished tweaking git repo https://github.com/echelon/etherdream-emulator
[INFO] tweaked toml for git repo https://github.com/echelon/etherdream-emulator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/echelon/etherdream-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64d8c0e97e2ed88d5c488fd3ab51080bfdf68d42522c97a8912c0f09c9e6f885
[INFO] running `"docker" "start" "-a" "64d8c0e97e2ed88d5c488fd3ab51080bfdf68d42522c97a8912c0f09c9e6f885"`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling serde v0.8.19
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]     Checking shader_version v0.2.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking piston-texture v0.4.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rand v0.3.15
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[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking term_size v0.2.1
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[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling freetype-sys v0.4.0
[INFO] [stderr]     Checking ilda v0.0.2
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking piston2d-graphics v0.16.0
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]     Checking pistoncore-input v0.12.0
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking pistoncore-window v0.20.0
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]     Checking freetype-rs v0.9.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.23.0
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking piston v0.23.0
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking pistoncore-glutin_window v0.27.0
[INFO] [stderr]     Checking piston2d-glium_graphics v0.26.0
[INFO] [stderr]     Checking etherdream-emulator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dac.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     thread::sleep_ms(250); // Wait for DAC to accept connections.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/dac.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 79  | /     loop {
[INFO] [stderr] 80  | |       // Read-write loop
[INFO] [stderr] 81  | |       let command = self.read_command(&mut stream)?;
[INFO] [stderr] 82  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |       }
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 104 | 
[INFO] [stderr] 105 |       unreachable!()
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/dac.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 79  | /     loop {
[INFO] [stderr] 80  | |       // Read-write loop
[INFO] [stderr] 81  | |       let command = self.read_command(&mut stream)?;
[INFO] [stderr] 82  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |       }
[INFO] [stderr] 103 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 104 | 
[INFO] [stderr] 105 |       unreachable!()
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `point_size` in initializer of `RuntimeOpts`
[INFO] [stderr]    --> src/dac.rs:299:16
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let opts = RuntimeOpts { debug_protocol: false, headless: true };
[INFO] [stderr]     |                ^^^^^^^^^^^ missing `point_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/dac.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let size = stream.write(response)?;
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0063`.
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pipeline.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut lock = self.input.lock()?;
[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] error: could not compile `etherdream-emulator`.
[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] warning: variant is never constructed: `ClearEStop`
[INFO] [stderr]    --> src/protocol.rs:160:3
[INFO] [stderr]     |
[INFO] [stderr] 160 |   ClearEStop,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EmergencyStop`
[INFO] [stderr]    --> src/protocol.rs:161:3
[INFO] [stderr]     |
[INFO] [stderr] 161 |   EmergencyStop,
[INFO] [stderr]     |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QueueRateChange`
[INFO] [stderr]    --> src/protocol.rs:173:3
[INFO] [stderr]     |
[INFO] [stderr] 173 |   QueueRateChange,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]    --> src/protocol.rs:174:3
[INFO] [stderr]     |
[INFO] [stderr] 174 |   Stop,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/protocol.rs:208:3
[INFO] [stderr]     |
[INFO] [stderr] 208 |   pub fn name(&self) -> &str {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BeginCommand`
[INFO] [stderr]    --> src/protocol.rs:250:8
[INFO] [stderr]     |
[INFO] [stderr] 250 | struct BeginCommand {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PrepareCommand`
[INFO] [stderr]    --> src/protocol.rs:256:8
[INFO] [stderr]     |
[INFO] [stderr] 256 | struct PrepareCommand {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DataCommand`
[INFO] [stderr]    --> src/protocol.rs:262:8
[INFO] [stderr]     |
[INFO] [stderr] 262 | struct DataCommand {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BufferFull`
[INFO] [stderr]    --> src/protocol.rs:283:3
[INFO] [stderr]     |
[INFO] [stderr] 283 |   BufferFull,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommand`
[INFO] [stderr]    --> src/protocol.rs:284:3
[INFO] [stderr]     |
[INFO] [stderr] 284 |   InvalidCommand,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]    --> src/protocol.rs:285:3
[INFO] [stderr]     |
[INFO] [stderr] 285 |   Stop,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/protocol.rs:351:3
[INFO] [stderr]     |
[INFO] [stderr] 351 |   pub fn new() -> Broadcast {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TCP_PORT`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | const TCP_PORT : u16 = 7765;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dac.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 |           self.write(&mut stream, &command);
[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/dac.rs:90:11
[INFO] [stderr]    |
[INFO] [stderr] 90 |           self.write(&mut stream, &command);
[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/dac.rs:93:11
[INFO] [stderr]    |
[INFO] [stderr] 93 |           self.write(&mut stream, &command);
[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/dac.rs:96:11
[INFO] [stderr]    |
[INFO] [stderr] 96 |           self.write_version(&mut stream);
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "64d8c0e97e2ed88d5c488fd3ab51080bfdf68d42522c97a8912c0f09c9e6f885"`
[INFO] running `"docker" "rm" "-f" "64d8c0e97e2ed88d5c488fd3ab51080bfdf68d42522c97a8912c0f09c9e6f885"`
[INFO] [stdout] 64d8c0e97e2ed88d5c488fd3ab51080bfdf68d42522c97a8912c0f09c9e6f885