[INFO] updating cached repository bmdelacruz/blog-os
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bmdelacruz/blog-os
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bmdelacruz/blog-os" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bmdelacruz/blog-os"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bmdelacruz/blog-os'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bmdelacruz/blog-os" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bmdelacruz/blog-os"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bmdelacruz/blog-os'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8865886c90a038f5e21075858407fe4a85707cc1
[INFO] sha for GitHub repo bmdelacruz/blog-os: 8865886c90a038f5e21075858407fe4a85707cc1
[INFO] validating manifest of bmdelacruz/blog-os on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bmdelacruz/blog-os on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bmdelacruz/blog-os
[INFO] finished frobbing bmdelacruz/blog-os
[INFO] frobbed toml for bmdelacruz/blog-os written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bmdelacruz/blog-os/Cargo.toml
[INFO] started frobbing bmdelacruz/blog-os
[INFO] finished frobbing bmdelacruz/blog-os
[INFO] frobbed toml for bmdelacruz/blog-os written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bmdelacruz/blog-os/Cargo.toml
[INFO] crate bmdelacruz/blog-os already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bmdelacruz/blog-os against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bmdelacruz/blog-os:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a8a1a9e6647e2faa829c626d98216ad85003ec858581685225da30f111b3d93
[INFO] running `"docker" "start" "-a" "8a8a1a9e6647e2faa829c626d98216ad85003ec858581685225da30f111b3d93"`
[INFO] [stderr]     Checking pc-keyboard v0.3.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]     Checking x86_64 v0.5.2
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking bootloader v0.4.0
[INFO] [stderr]     Checking blog_os v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Mutex` is imported redundantly
[INFO] [stderr]   --> src/interrupts.rs:81:7
[INFO] [stderr]    |
[INFO] [stderr] 7  | use spin::Mutex;
[INFO] [stderr]    |     ----------- the item `Mutex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |   use spin::Mutex;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Mutex` is imported redundantly
[INFO] [stderr]   --> src/interrupts.rs:81:7
[INFO] [stderr]    |
[INFO] [stderr] 7  | use spin::Mutex;
[INFO] [stderr]    |     ----------- the item `Mutex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |   use spin::Mutex;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Mutex` is imported redundantly
[INFO] [stderr]   --> src/interrupts.rs:81:7
[INFO] [stderr]    |
[INFO] [stderr] 7  | use spin::Mutex;
[INFO] [stderr]    |     ----------- the item `Mutex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |   use spin::Mutex;
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Box` is imported redundantly
[INFO] [stderr]    --> src/vga_buffer.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |     use std::boxed::Box;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `blog_os::serial_println`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use blog_os::serial_println;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `"docker" "inspect" "8a8a1a9e6647e2faa829c626d98216ad85003ec858581685225da30f111b3d93"`
[INFO] running `"docker" "rm" "-f" "8a8a1a9e6647e2faa829c626d98216ad85003ec858581685225da30f111b3d93"`
[INFO] [stdout] 8a8a1a9e6647e2faa829c626d98216ad85003ec858581685225da30f111b3d93