[INFO] updating cached repository Larusso/rustOS
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Larusso/rustOS
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Larusso/rustOS" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Larusso/rustOS"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Larusso/rustOS'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Larusso/rustOS" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Larusso/rustOS"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Larusso/rustOS'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7881b194f2647678ea970a95e18aed0d6d9e1e65
[INFO] sha for GitHub repo Larusso/rustOS: 7881b194f2647678ea970a95e18aed0d6d9e1e65
[INFO] validating manifest of Larusso/rustOS on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Larusso/rustOS on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Larusso/rustOS
[INFO] finished frobbing Larusso/rustOS
[INFO] frobbed toml for Larusso/rustOS written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Larusso/rustOS/Cargo.toml
[INFO] started frobbing Larusso/rustOS
[INFO] finished frobbing Larusso/rustOS
[INFO] frobbed toml for Larusso/rustOS written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/Larusso/rustOS/Cargo.toml
[INFO] crate Larusso/rustOS already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Larusso/rustOS against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/Larusso/rustOS:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] efd0fecd26008bd867777a2f71c5cf74c1724e00d456bce3bdd11236099d4e41
[INFO] running `"docker" "start" "-a" "efd0fecd26008bd867777a2f71c5cf74c1724e00d456bce3bdd11236099d4e41"`
[INFO] [stderr]     Checking x86_64 v0.2.14
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking bootloader v0.3.5
[INFO] [stderr]     Checking rust_os v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `"docker" "inspect" "efd0fecd26008bd867777a2f71c5cf74c1724e00d456bce3bdd11236099d4e41"`
[INFO] running `"docker" "rm" "-f" "efd0fecd26008bd867777a2f71c5cf74c1724e00d456bce3bdd11236099d4e41"`
[INFO] [stdout] efd0fecd26008bd867777a2f71c5cf74c1724e00d456bce3bdd11236099d4e41