Dec 14 13:41:42.668 INFO testing wpilib-0.3.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 13:41:42.672 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 13:41:42.973 INFO [stdout] 051b92fe14280b3cebe91fb92779d4449a344d4dd7d52715344dcddcb399e67a
Dec 14 13:41:42.976 INFO running `"docker" "start" "-a" "051b92fe14280b3cebe91fb92779d4449a344d4dd7d52715344dcddcb399e67a"`
Dec 14 13:41:44.390 INFO [stderr] usermod: no changes
Dec 14 13:41:44.499 INFO [stderr]    Compiling wpilib-sys v0.3.1
Dec 14 13:41:47.495 INFO [stderr]    Compiling wpilib v0.3.1 (/source)
Dec 14 13:41:48.699 INFO [stderr] warning: the feature `self_struct_ctor` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 14 13:41:48.699 INFO [stderr]  --> src/lib.rs:9:12
Dec 14 13:41:48.699 INFO [stderr]   |
Dec 14 13:41:48.699 INFO [stderr] 9 | #![feature(self_struct_ctor)]
Dec 14 13:41:48.699 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 13:41:48.699 INFO [stderr]   |
Dec 14 13:41:48.699 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 13:41:48.699 INFO [stderr] 
Dec 14 13:41:49.626 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
Dec 14 13:41:49.633 INFO [stderr] su: No module specific data is present
Dec 14 13:41:51.063 INFO running `"docker" "inspect" "051b92fe14280b3cebe91fb92779d4449a344d4dd7d52715344dcddcb399e67a"`
Dec 14 13:41:51.359 INFO running `"docker" "rm" "-f" "051b92fe14280b3cebe91fb92779d4449a344d4dd7d52715344dcddcb399e67a"`
Dec 14 13:41:51.699 INFO [stdout] 051b92fe14280b3cebe91fb92779d4449a344d4dd7d52715344dcddcb399e67a
Dec 14 13:41:51.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 13:41:52.083 INFO [stdout] 3d6a687ae807ddca076c90bd5b7c35cc90c4dc208165724323bd4c0e39c4fb66
Dec 14 13:41:52.091 INFO running `"docker" "start" "-a" "3d6a687ae807ddca076c90bd5b7c35cc90c4dc208165724323bd4c0e39c4fb66"`
Dec 14 13:41:53.522 INFO [stderr] usermod: no changes
Dec 14 13:41:53.627 INFO [stderr]    Compiling wpilib-sys v0.3.1
Dec 14 13:41:55.138 INFO [stderr]    Compiling wpilib v0.3.1 (/source)
Dec 14 13:41:56.265 INFO [stderr] warning: the feature `self_struct_ctor` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 14 13:41:56.265 INFO [stderr]  --> src/lib.rs:9:12
Dec 14 13:41:56.265 INFO [stderr]   |
Dec 14 13:41:56.266 INFO [stderr] 9 | #![feature(self_struct_ctor)]
Dec 14 13:41:56.266 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 13:41:56.266 INFO [stderr]   |
Dec 14 13:41:56.266 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 13:41:56.266 INFO [stderr] 
Dec 14 13:41:57.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
Dec 14 13:41:57.095 INFO [stderr] su: No module specific data is present
Dec 14 13:41:58.670 INFO running `"docker" "inspect" "3d6a687ae807ddca076c90bd5b7c35cc90c4dc208165724323bd4c0e39c4fb66"`
Dec 14 13:41:59.003 INFO running `"docker" "rm" "-f" "3d6a687ae807ddca076c90bd5b7c35cc90c4dc208165724323bd4c0e39c4fb66"`
Dec 14 13:41:59.455 INFO [stdout] 3d6a687ae807ddca076c90bd5b7c35cc90c4dc208165724323bd4c0e39c4fb66
Dec 14 13:41:59.463 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 13:41:59.928 INFO [stdout] 64d80367a1d2955c8d3fe257010ce04265cfbbda011f24b2ff39fbe6fd8e1ecd
Dec 14 13:41:59.930 INFO running `"docker" "start" "-a" "64d80367a1d2955c8d3fe257010ce04265cfbbda011f24b2ff39fbe6fd8e1ecd"`
Dec 14 13:42:01.454 INFO [stderr] usermod: no changes
Dec 14 13:42:01.541 INFO [stderr]    Compiling wpilib-sys v0.3.1
Dec 14 13:42:03.223 INFO [stderr]    Compiling wpilib v0.3.1 (/source)
Dec 14 13:42:05.231 INFO [stderr] warning: the feature `self_struct_ctor` has been stable since 1.32.0 and no longer requires an attribute to enable
Dec 14 13:42:05.231 INFO [stderr]  --> src/lib.rs:9:12
Dec 14 13:42:05.231 INFO [stderr]   |
Dec 14 13:42:05.231 INFO [stderr] 9 | #![feature(self_struct_ctor)]
Dec 14 13:42:05.231 INFO [stderr]   |            ^^^^^^^^^^^^^^^^
Dec 14 13:42:05.231 INFO [stderr]   |
Dec 14 13:42:05.231 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 14 13:42:05.231 INFO [stderr] 
Dec 14 13:42:06.357 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
Dec 14 13:42:06.357 INFO [stderr]    Doc-tests wpilib
Dec 14 13:42:07.719 INFO [stdout] 
Dec 14 13:42:07.719 INFO [stdout] running 0 tests
Dec 14 13:42:07.719 INFO [stdout] 
Dec 14 13:42:07.719 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 13:42:07.719 INFO [stdout] 
Dec 14 13:42:07.728 INFO [stderr] su: No module specific data is present
Dec 14 13:42:09.016 INFO running `"docker" "inspect" "64d80367a1d2955c8d3fe257010ce04265cfbbda011f24b2ff39fbe6fd8e1ecd"`
Dec 14 13:42:09.312 INFO running `"docker" "rm" "-f" "64d80367a1d2955c8d3fe257010ce04265cfbbda011f24b2ff39fbe6fd8e1ecd"`
Dec 14 13:42:09.639 INFO [stdout] 64d80367a1d2955c8d3fe257010ce04265cfbbda011f24b2ff39fbe6fd8e1ecd