[INFO] crate network-time 0.1.1 is already in cache
[INFO] extracting crate network-time 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/network-time/0.1.1
[INFO] extracting crate network-time 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/network-time/0.1.1
[INFO] validating manifest of network-time-0.1.1 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 network-time-0.1.1 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 network-time-0.1.1
[INFO] finished frobbing network-time-0.1.1
[INFO] frobbed toml for network-time-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/network-time/0.1.1/Cargo.toml
[INFO] started frobbing network-time-0.1.1
[INFO] finished frobbing network-time-0.1.1
[INFO] frobbed toml for network-time-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/network-time/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] 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 network-time-0.1.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/network-time/0.1.1:/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] 1c6eaba077cc9823d0991f8b845aecc25bbec729289c08fe2a2c4aab9100aaa8
[INFO] running `"docker" "start" "-a" "1c6eaba077cc9823d0991f8b845aecc25bbec729289c08fe2a2c4aab9100aaa8"`
[INFO] [stderr]    Compiling likely v0.1.0
[INFO] [stderr]    Compiling network-time v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(const_fn)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(core_intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/MonotonicMillisecondTimestamp.rs:241:57
[INFO] [stderr]     |
[INFO] [stderr] 241 |             fn read_model_specific_register() -> Result<u64, Box<error::Error + 'static>>
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `network-time`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c6eaba077cc9823d0991f8b845aecc25bbec729289c08fe2a2c4aab9100aaa8"`
[INFO] running `"docker" "rm" "-f" "1c6eaba077cc9823d0991f8b845aecc25bbec729289c08fe2a2c4aab9100aaa8"`
[INFO] [stdout] 1c6eaba077cc9823d0991f8b845aecc25bbec729289c08fe2a2c4aab9100aaa8