[INFO] crate crdt 0.5.0 is already in cache
[INFO] extracting crate crdt 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/crdt/0.5.0
[INFO] extracting crate crdt 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/crdt/0.5.0
[INFO] validating manifest of crdt-0.5.0 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 crdt-0.5.0 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 crdt-0.5.0
[INFO] finished frobbing crdt-0.5.0
[INFO] frobbed toml for crdt-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/crdt/0.5.0/Cargo.toml
[INFO] started frobbing crdt-0.5.0
[INFO] finished frobbing crdt-0.5.0
[INFO] frobbed toml for crdt-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/crdt/0.5.0/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 crdt-0.5.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/crdt/0.5.0:/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] a4b722527b074e3072a43e8fe62325e4317d2f0cd4788339451e73c84521fa96
[INFO] running `"docker" "start" "-a" "a4b722527b074e3072a43e8fe62325e4317d2f0cd4788339451e73c84521fa96"`
[INFO] [stderr]    Compiling crdt v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::iter::AdditiveIterator`
[INFO] [stderr]  --> src/counter/gcounter.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::iter::AdditiveIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `AdditiveIterator` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::iter::AdditiveIterator`
[INFO] [stderr]  --> src/counter/pncounter.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::iter::AdditiveIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `AdditiveIterator` in `iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stderr]  --> src/counter/pncounter.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::num::SignedInt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[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(core, custom_attribute, plugin, std_misc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/test.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT};
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/test.rs:6:41
[INFO] [stderr]   |
[INFO] [stderr] 6 | static mut REPLICA_COUNT: AtomicUsize = ATOMIC_USIZE_INIT;
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `AtomicUsize::new(0)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `crdt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a4b722527b074e3072a43e8fe62325e4317d2f0cd4788339451e73c84521fa96"`
[INFO] running `"docker" "rm" "-f" "a4b722527b074e3072a43e8fe62325e4317d2f0cd4788339451e73c84521fa96"`
[INFO] [stdout] a4b722527b074e3072a43e8fe62325e4317d2f0cd4788339451e73c84521fa96