[INFO] updating cached repository smkell/nepheliadrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/smkell/nepheliadrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/smkell/nepheliadrs" "work/ex/beta-1.38-1/sources/1.37.0/gh/smkell/nepheliadrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/smkell/nepheliadrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/smkell/nepheliadrs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/smkell/nepheliadrs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/smkell/nepheliadrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3bcb0abdc9c977f0c07e5268e9dafb2d2019982
[INFO] sha for GitHub repo smkell/nepheliadrs: f3bcb0abdc9c977f0c07e5268e9dafb2d2019982
[INFO] validating manifest of smkell/nepheliadrs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of smkell/nepheliadrs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing smkell/nepheliadrs
[INFO] removed path dependency cpuio from smkell/nepheliadrs
[INFO] finished frobbing smkell/nepheliadrs
[INFO] frobbed toml for smkell/nepheliadrs written to work/ex/beta-1.38-1/sources/1.37.0/gh/smkell/nepheliadrs/Cargo.toml
[INFO] started frobbing smkell/nepheliadrs
[INFO] removed path dependency cpuio from smkell/nepheliadrs
[INFO] finished frobbing smkell/nepheliadrs
[INFO] frobbed toml for smkell/nepheliadrs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/smkell/nepheliadrs/Cargo.toml
[INFO] crate smkell/nepheliadrs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/smkell/nepheliadrs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/bitflags.git`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/multiboot2-elf64`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/bitflags.git`
[INFO] [stderr]     Updating git repository `https://github.com/phil-opp/multiboot2-elf64`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing smkell/nepheliadrs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/smkell/nepheliadrs:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 00b7dacfc4914c59c393f5c4b5086ddec09b7f7cd5af1f64ae80631f3a5fed38
[INFO] running `"docker" "start" "-a" "00b7dacfc4914c59c393f5c4b5086ddec09b7f7cd5af1f64ae80631f3a5fed38"`
[INFO] [stderr] warning: dependency (cpuio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling bitflags v0.3.3 (https://github.com/phil-opp/bitflags.git?branch=no_std#440e5b2b)
[INFO] [stderr]    Compiling rlibc v0.1.5
[INFO] [stderr]    Compiling spin v0.3.5
[INFO] [stderr]    Compiling cpuio v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling raw-cpuid v2.0.2
[INFO] [stderr]    Compiling multiboot2 v0.8.1 (https://github.com/phil-opp/multiboot2-elf64#14aa3464)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.3.5/src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(const_fn, asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpuio-0.2.0/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(asm, const_fn, no_std)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `spin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `cpuio`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/raw-cpuid-2.0.2/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(prelude_import, asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `raw-cpuid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "00b7dacfc4914c59c393f5c4b5086ddec09b7f7cd5af1f64ae80631f3a5fed38"`
[INFO] running `"docker" "rm" "-f" "00b7dacfc4914c59c393f5c4b5086ddec09b7f7cd5af1f64ae80631f3a5fed38"`
[INFO] [stdout] 00b7dacfc4914c59c393f5c4b5086ddec09b7f7cd5af1f64ae80631f3a5fed38