[INFO] cloning repository tahscenery/rust_os [INFO] running `"git" "clone" "--bare" "git://github.com/tahscenery/rust_os.git" "work/cache/sources/gh/tahscenery/rust_os"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tahscenery/rust_os'... [INFO] running `"git" "clone" "work/cache/sources/gh/tahscenery/rust_os" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tahscenery/rust_os"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tahscenery/rust_os'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tahscenery/rust_os" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tahscenery/rust_os"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tahscenery/rust_os'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5fb986db2d04979b1982eb457e433783c619445d [INFO] sha for GitHub repo tahscenery/rust_os: 5fb986db2d04979b1982eb457e433783c619445d [INFO] validating manifest of tahscenery/rust_os on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tahscenery/rust_os on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tahscenery/rust_os [INFO] removed 2 missing tests [INFO] finished frobbing tahscenery/rust_os [INFO] frobbed toml for tahscenery/rust_os written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tahscenery/rust_os/Cargo.toml [INFO] started frobbing tahscenery/rust_os [INFO] removed 2 missing tests [INFO] finished frobbing tahscenery/rust_os [INFO] frobbed toml for tahscenery/rust_os written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/tahscenery/rust_os/Cargo.toml [INFO] crate tahscenery/rust_os already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tahscenery/rust_os against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/tahscenery/rust_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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3400692620eb0fb4f474cf143144af894af980d1b8b35d2ea19b7c3448416a70 [INFO] running `"docker" "start" "-a" "3400692620eb0fb4f474cf143144af894af980d1b8b35d2ea19b7c3448416a70"` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling llvm-tools v0.1.1 [INFO] [stderr] Checking ux v0.1.3 [INFO] [stderr] error[E0463]: can't find crate for `core` [INFO] [stderr] | [INFO] [stderr] = note: the `x86_64-rust_os-2066808710704056858` target may not be installed [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [INFO] [stderr] error: Could not compile `nodrop`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0463]: can't find crate for `core` [INFO] [stderr] | [INFO] [stderr] = note: the `x86_64-rust_os-2066808710704056858` target may not be installed [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0463`. [INFO] [stderr] error: Could not compile `ux`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "3400692620eb0fb4f474cf143144af894af980d1b8b35d2ea19b7c3448416a70"` [INFO] running `"docker" "rm" "-f" "3400692620eb0fb4f474cf143144af894af980d1b8b35d2ea19b7c3448416a70"` [INFO] [stdout] 3400692620eb0fb4f474cf143144af894af980d1b8b35d2ea19b7c3448416a70