Dec 11 22:31:19.098 INFO checking anurse/ArborOS against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:31:19.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 11 22:31:19.641 INFO [stdout] 967672da45c0c61e4e6f0bb1fd9c7c43aa306098697b3a182e1f94392539f06e
Dec 11 22:31:19.643 INFO running `"docker" "start" "-a" "967672da45c0c61e4e6f0bb1fd9c7c43aa306098697b3a182e1f94392539f06e"`
Dec 11 22:31:21.443 INFO [stderr] usermod: no changes
Dec 11 22:31:21.562 INFO [stderr]     Checking nodrop v0.1.12
Dec 11 22:31:21.562 INFO [stderr]     Checking spin v0.4.9
Dec 11 22:31:21.562 INFO [stderr]     Checking volatile v0.2.4
Dec 11 22:31:21.562 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 11 22:31:21.568 INFO [stderr]     Checking bootloader_precompiled v0.2.0
Dec 11 22:31:22.004 INFO [stderr]     Checking array-init v0.0.3
Dec 11 22:31:23.968 INFO [stderr]     Checking arbor_os v0.1.0 (/source)
Dec 11 22:31:24.720 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.720 INFO [stderr]    --> src/vga/writer.rs:162:13
Dec 11 22:31:24.720 INFO [stderr]     |
Dec 11 22:31:24.720 INFO [stderr] 162 |             writeln!(&mut writer, "Line {}", i);
Dec 11 22:31:24.720 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.720 INFO [stderr]     |
Dec 11 22:31:24.720 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 22:31:24.720 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.720 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.720 INFO [stderr] 
Dec 11 22:31:24.721 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.721 INFO [stderr]    --> src/vga/writer.rs:182:13
Dec 11 22:31:24.721 INFO [stderr]     |
Dec 11 22:31:24.721 INFO [stderr] 182 |             writeln!(&mut writer, "Line {}", i);
Dec 11 22:31:24.721 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.721 INFO [stderr]     |
Dec 11 22:31:24.721 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.721 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.721 INFO [stderr] 
Dec 11 22:31:24.721 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.721 INFO [stderr]    --> src/vga/writer.rs:186:9
Dec 11 22:31:24.721 INFO [stderr]     |
Dec 11 22:31:24.721 INFO [stderr] 186 |         writeln!(&mut writer, "Extra Line 1");
Dec 11 22:31:24.721 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.721 INFO [stderr]     |
Dec 11 22:31:24.721 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.721 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.721 INFO [stderr] 
Dec 11 22:31:24.721 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.721 INFO [stderr]    --> src/vga/writer.rs:187:9
Dec 11 22:31:24.721 INFO [stderr]     |
Dec 11 22:31:24.721 INFO [stderr] 187 |         writeln!(&mut writer, "Extra Line 2");
Dec 11 22:31:24.721 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.721 INFO [stderr]     |
Dec 11 22:31:24.721 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.721 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.721 INFO [stderr] 
Dec 11 22:31:24.722 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.722 INFO [stderr]    --> src/vga/writer.rs:211:13
Dec 11 22:31:24.722 INFO [stderr]     |
Dec 11 22:31:24.722 INFO [stderr] 211 |             writeln!(&mut writer, "Line {}", i);
Dec 11 22:31:24.722 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.722 INFO [stderr]     |
Dec 11 22:31:24.722 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.722 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.722 INFO [stderr] 
Dec 11 22:31:24.722 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.722 INFO [stderr]    --> src/vga/writer.rs:218:9
Dec 11 22:31:24.722 INFO [stderr]     |
Dec 11 22:31:24.722 INFO [stderr] 218 |         writeln!(&mut writer, "Line 1");
Dec 11 22:31:24.722 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.722 INFO [stderr]     |
Dec 11 22:31:24.722 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.722 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.722 INFO [stderr] 
Dec 11 22:31:24.722 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.722 INFO [stderr]    --> src/vga/writer.rs:264:13
Dec 11 22:31:24.722 INFO [stderr]     |
Dec 11 22:31:24.722 INFO [stderr] 264 |             writeln!(&mut writer, "Line {}", i);
Dec 11 22:31:24.722 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.722 INFO [stderr]     |
Dec 11 22:31:24.722 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.724 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.724 INFO [stderr] 
Dec 11 22:31:24.724 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.724 INFO [stderr]    --> src/vga/writer.rs:272:9
Dec 11 22:31:24.724 INFO [stderr]     |
Dec 11 22:31:24.724 INFO [stderr] 272 |         writeln!(&mut writer, "1");
Dec 11 22:31:24.724 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.724 INFO [stderr]     |
Dec 11 22:31:24.724 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.724 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.724 INFO [stderr] 
Dec 11 22:31:24.724 INFO [stderr] warning: unused `core::result::Result` that must be used
Dec 11 22:31:24.724 INFO [stderr]    --> src/vga/writer.rs:273:9
Dec 11 22:31:24.724 INFO [stderr]     |
Dec 11 22:31:24.724 INFO [stderr] 273 |         writeln!(&mut writer, "2");
Dec 11 22:31:24.724 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:31:24.724 INFO [stderr]     |
Dec 11 22:31:24.724 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 22:31:24.724 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 11 22:31:24.724 INFO [stderr] 
Dec 11 22:31:24.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
Dec 11 22:31:24.748 INFO [stderr] su: No module specific data is present
Dec 11 22:31:25.600 INFO running `"docker" "inspect" "967672da45c0c61e4e6f0bb1fd9c7c43aa306098697b3a182e1f94392539f06e"`
Dec 11 22:31:25.822 INFO running `"docker" "rm" "-f" "967672da45c0c61e4e6f0bb1fd9c7c43aa306098697b3a182e1f94392539f06e"`
Dec 11 22:31:26.044 INFO [stdout] 967672da45c0c61e4e6f0bb1fd9c7c43aa306098697b3a182e1f94392539f06e