[INFO] crate nt 1.0.3 is already in cache
[INFO] extracting crate nt 1.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/nt/1.0.3
[INFO] extracting crate nt 1.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nt/1.0.3
[INFO] validating manifest of nt-1.0.3 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 nt-1.0.3 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 nt-1.0.3
[INFO] finished frobbing nt-1.0.3
[INFO] frobbed toml for nt-1.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nt/1.0.3/Cargo.toml
[INFO] started frobbing nt-1.0.3
[INFO] finished frobbing nt-1.0.3
[INFO] frobbed toml for nt-1.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nt/1.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nt-1.0.3 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nt/1.0.3:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8da43d9f9cf8ab59ec6b0fe7aeca504d8a3c0049b74af3c7eb0cf9adf9865bca
[INFO] running `"docker" "start" "-a" "8da43d9f9cf8ab59ec6b0fe7aeca504d8a3c0049b74af3c7eb0cf9adf9865bca"`
[INFO] [stderr]    Compiling multimap v0.5.0
[INFO] [stderr]    Compiling nt-leb128 v0.2.4
[INFO] [stderr]    Compiling nt-network v1.0.3
[INFO] [stderr]    Compiling nt v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `spawn`
[INFO] [stderr]    --> src/proto/server.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn spawn(self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `"docker" "inspect" "8da43d9f9cf8ab59ec6b0fe7aeca504d8a3c0049b74af3c7eb0cf9adf9865bca"`
[INFO] running `"docker" "rm" "-f" "8da43d9f9cf8ab59ec6b0fe7aeca504d8a3c0049b74af3c7eb0cf9adf9865bca"`
[INFO] [stdout] 8da43d9f9cf8ab59ec6b0fe7aeca504d8a3c0049b74af3c7eb0cf9adf9865bca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nt/1.0.3:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b978414a592ad5c9a38b4203725f0282d2da0cbb55f42771f0e0c0f204a150c0
[INFO] running `"docker" "start" "-a" "b978414a592ad5c9a38b4203725f0282d2da0cbb55f42771f0e0c0f204a150c0"`
[INFO] [stderr]    Compiling nt v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `setup_logger`
[INFO] [stderr]   --> examples/update.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn setup_logger() -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `bind_ws` found for type `nt::nt::NetworkTables<_>` in the current scope
[INFO] [stderr]  --> examples/ws_server.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut nt = NetworkTables::bind_ws("0.0.0.0:1835", "nt-rs-server");
[INFO] [stderr]   |                                 ^^^^^^^ function or associated item not found in `nt::nt::NetworkTables<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/write.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `nt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no function or associated item named `connect_ws` found for type `nt::nt::NetworkTables<_>` in the current scope
[INFO] [stderr]  --> examples/ws_client.rs:4:33
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut nt = NetworkTables::connect_ws("ws://10.40.69.2:1835", "nt-ws").unwrap();
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr]   |                                 |
[INFO] [stderr]   |                                 function or associated item not found in `nt::nt::NetworkTables<_>`
[INFO] [stderr]   |                                 help: there is a method with a similar name: `connect`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `nt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> examples/read.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `setup_logger`
[INFO] [stderr]   --> examples/write.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn setup_logger() -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `spawn`
[INFO] [stderr]    --> src/proto/server.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     pub fn spawn(self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b978414a592ad5c9a38b4203725f0282d2da0cbb55f42771f0e0c0f204a150c0"`
[INFO] running `"docker" "rm" "-f" "b978414a592ad5c9a38b4203725f0282d2da0cbb55f42771f0e0c0f204a150c0"`
[INFO] [stdout] b978414a592ad5c9a38b4203725f0282d2da0cbb55f42771f0e0c0f204a150c0