[INFO] updating cached repository brayniac/timemark
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brayniac/timemark
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brayniac/timemark" "work/ex/beta-1.38-1/sources/1.37.0/gh/brayniac/timemark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brayniac/timemark'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brayniac/timemark" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brayniac/timemark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brayniac/timemark'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39fb565123948b4bcf92a537c6c119a5bfbd5f2c
[INFO] sha for GitHub repo brayniac/timemark: 39fb565123948b4bcf92a537c6c119a5bfbd5f2c
[INFO] validating manifest of brayniac/timemark 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 brayniac/timemark 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 brayniac/timemark
[INFO] finished frobbing brayniac/timemark
[INFO] frobbed toml for brayniac/timemark written to work/ex/beta-1.38-1/sources/1.37.0/gh/brayniac/timemark/Cargo.toml
[INFO] started frobbing brayniac/timemark
[INFO] finished frobbing brayniac/timemark
[INFO] frobbed toml for brayniac/timemark written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brayniac/timemark/Cargo.toml
[INFO] crate brayniac/timemark 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing brayniac/timemark against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/brayniac/timemark:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3f97af1c07d4b2548582d8a9edb64f481ed44cd75a5f6cfac9c1983683ba4da6
[INFO] running `"docker" "start" "-a" "3f97af1c07d4b2548582d8a9edb64f481ed44cd75a5f6cfac9c1983683ba4da6"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling allan v0.2.1
[INFO] [stderr]    Compiling pad v0.1.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling timemark v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `timemark`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3f97af1c07d4b2548582d8a9edb64f481ed44cd75a5f6cfac9c1983683ba4da6"`
[INFO] running `"docker" "rm" "-f" "3f97af1c07d4b2548582d8a9edb64f481ed44cd75a5f6cfac9c1983683ba4da6"`
[INFO] [stdout] 3f97af1c07d4b2548582d8a9edb64f481ed44cd75a5f6cfac9c1983683ba4da6