[INFO] updating cached repository gcp/rustywin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gcp/rustywin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gcp/rustywin" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/gcp/rustywin"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/gcp/rustywin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gcp/rustywin" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/gcp/rustywin"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/gcp/rustywin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c05856f61343ac2f75592b0c0f954a3e048497e9
[INFO] sha for GitHub repo gcp/rustywin: c05856f61343ac2f75592b0c0f954a3e048497e9
[INFO] validating manifest of gcp/rustywin on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gcp/rustywin on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gcp/rustywin
[INFO] finished frobbing gcp/rustywin
[INFO] frobbed toml for gcp/rustywin written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/gcp/rustywin/Cargo.toml
[INFO] started frobbing gcp/rustywin
[INFO] finished frobbing gcp/rustywin
[INFO] frobbed toml for gcp/rustywin written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/gcp/rustywin/Cargo.toml
[INFO] crate gcp/rustywin has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gcp/rustywin against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/gcp/rustywin:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] a158e0d4a18a152ef6a40f9bd60f643dbc3fc83b95f310b4ced5c7d37f7587b2
[INFO] running `"docker" "start" "-a" "a158e0d4a18a152ef6a40f9bd60f643dbc3fc83b95f310b4ced5c7d37f7587b2"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling nom v4.1.0
[INFO] [stderr]    Compiling rustywin v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/analyze.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IResult`, `Needed`, `le_i16`
[INFO] [stderr]  --> src/analyze.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use nom::{le_i16, le_u16, le_u24, le_u32, le_u8, IResult, Needed};
[INFO] [stderr]   |           ^^^^^^                                 ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reject_buff`
[INFO] [stderr]    --> src/socketloop.rs:287:21
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let reject_buff = filtered_buffer_pair.1;
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: consider prefixing with an underscore: `_reject_buff`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Denied`
[INFO] [stderr]   --> src/analyze.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Denied,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `screen_num`
[INFO] [stderr]   --> src/display.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn screen_num(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.04s
[INFO] running `"docker" "inspect" "a158e0d4a18a152ef6a40f9bd60f643dbc3fc83b95f310b4ced5c7d37f7587b2"`
[INFO] running `"docker" "rm" "-f" "a158e0d4a18a152ef6a40f9bd60f643dbc3fc83b95f310b4ced5c7d37f7587b2"`
[INFO] [stdout] a158e0d4a18a152ef6a40f9bd60f643dbc3fc83b95f310b4ced5c7d37f7587b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/gcp/rustywin:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 215cd52283eb61a4d89b672a48e16d6a4a862bf219c694190cf133f71214a3b6
[INFO] running `"docker" "start" "-a" "215cd52283eb61a4d89b672a48e16d6a4a862bf219c694190cf133f71214a3b6"`
[INFO] [stderr]    Compiling rustywin v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/analyze.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IResult`, `Needed`, `le_i16`
[INFO] [stderr]  --> src/analyze.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use nom::{le_i16, le_u16, le_u24, le_u32, le_u8, IResult, Needed};
[INFO] [stderr]   |           ^^^^^^                                 ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reject_buff`
[INFO] [stderr]    --> src/socketloop.rs:287:21
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let reject_buff = filtered_buffer_pair.1;
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: consider prefixing with an underscore: `_reject_buff`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Denied`
[INFO] [stderr]   --> src/analyze.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Denied,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `screen_num`
[INFO] [stderr]   --> src/display.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn screen_num(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `"docker" "inspect" "215cd52283eb61a4d89b672a48e16d6a4a862bf219c694190cf133f71214a3b6"`
[INFO] running `"docker" "rm" "-f" "215cd52283eb61a4d89b672a48e16d6a4a862bf219c694190cf133f71214a3b6"`
[INFO] [stdout] 215cd52283eb61a4d89b672a48e16d6a4a862bf219c694190cf133f71214a3b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/gcp/rustywin:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c31b218f01a982d4bd423242d6b6bb0e4090fabd27f10a92e5e360d433b1eb8f
[INFO] running `"docker" "start" "-a" "c31b218f01a982d4bd423242d6b6bb0e4090fabd27f10a92e5e360d433b1eb8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustywin-83c7341d2d0c6123
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test display::tests::test_parse_x11_display ... ok
[INFO] [stdout] test analyze::tests::test_request ... ok
[INFO] [stdout] test display::tests::test_parse_x11_display_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c31b218f01a982d4bd423242d6b6bb0e4090fabd27f10a92e5e360d433b1eb8f"`
[INFO] running `"docker" "rm" "-f" "c31b218f01a982d4bd423242d6b6bb0e4090fabd27f10a92e5e360d433b1eb8f"`
[INFO] [stdout] c31b218f01a982d4bd423242d6b6bb0e4090fabd27f10a92e5e360d433b1eb8f