[INFO] updating cached repository Christophorus3/c_os
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Christophorus3/c_os
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Christophorus3/c_os" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Christophorus3/c_os"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Christophorus3/c_os'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Christophorus3/c_os" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Christophorus3/c_os"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Christophorus3/c_os'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0684c540f940dfc1c441315aaf30bb695c8a69c
[INFO] sha for GitHub repo Christophorus3/c_os: e0684c540f940dfc1c441315aaf30bb695c8a69c
[INFO] validating manifest of Christophorus3/c_os on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Christophorus3/c_os on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Christophorus3/c_os
[INFO] finished frobbing Christophorus3/c_os
[INFO] frobbed toml for Christophorus3/c_os written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Christophorus3/c_os/Cargo.toml
[INFO] started frobbing Christophorus3/c_os
[INFO] finished frobbing Christophorus3/c_os
[INFO] frobbed toml for Christophorus3/c_os written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Christophorus3/c_os/Cargo.toml
[INFO] crate Christophorus3/c_os already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Christophorus3/c_os against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Christophorus3/c_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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d6f1a94af536c9fbbbe298078b4d40763b01a73bd11d3fb4c0dd1edfd5cb18e
[INFO] running `"docker" "start" "-a" "0d6f1a94af536c9fbbbe298078b4d40763b01a73bd11d3fb4c0dd1edfd5cb18e"`
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking volatile v0.2.6
[INFO] [stderr]     Checking x86_64 v0.3.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]     Checking x86_64 v0.5.3
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking bootloader v0.4.0
[INFO] [stderr]     Checking c_os v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 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: `...` range patterns are deprecated
[INFO] [stderr]   --> src/vga_buffer.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 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:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |         use std::boxed::Box;
[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:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 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]     Finished dev [unoptimized + debuginfo] target(s) in 20.30s
[INFO] running `"docker" "inspect" "0d6f1a94af536c9fbbbe298078b4d40763b01a73bd11d3fb4c0dd1edfd5cb18e"`
[INFO] running `"docker" "rm" "-f" "0d6f1a94af536c9fbbbe298078b4d40763b01a73bd11d3fb4c0dd1edfd5cb18e"`
[INFO] [stdout] 0d6f1a94af536c9fbbbe298078b4d40763b01a73bd11d3fb4c0dd1edfd5cb18e