[INFO] crate dynalist 0.1.0 is already in cache
[INFO] extracting crate dynalist 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dynalist/0.1.0
[INFO] extracting crate dynalist 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynalist/0.1.0
[INFO] validating manifest of dynalist-0.1.0 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 dynalist-0.1.0 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 dynalist-0.1.0
[INFO] finished frobbing dynalist-0.1.0
[INFO] frobbed toml for dynalist-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dynalist/0.1.0/Cargo.toml
[INFO] started frobbing dynalist-0.1.0
[INFO] finished frobbing dynalist-0.1.0
[INFO] frobbed toml for dynalist-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dynalist/0.1.0/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 dynalist-0.1.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/dynalist/0.1.0:/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] e1a3bc0a856505e902b7662565144a8eb36434302762a028f40279c14742c23c
[INFO] running `"docker" "start" "-a" "e1a3bc0a856505e902b7662565144a8eb36434302762a028f40279c14742c23c"`
[INFO] [stderr]    Compiling dynalist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::into_raw`
[INFO] [stderr]  --> src/xorlist.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::boxed::into_raw;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^ no `into_raw` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_syntax, core, alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]  --> src/xorlist.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::marker::{PhantomData, Unsize};
[INFO] [stderr]   |                                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]    --> src/xorlist.rs:667:20
[INFO] [stderr]     |
[INFO] [stderr] 667 | impl<U: ?Sized, T: Unsize<U>> iter::FromIterator<T> for XorList<U> {
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]    --> src/xorlist.rs:675:20
[INFO] [stderr]     |
[INFO] [stderr] 675 | impl<U: ?Sized, T: Unsize<U>> Extend<T> for XorList<U> {
[INFO] [stderr]     |                    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]   --> src/xorlist.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new<U: Unsize<T>>(val: U) -> Box<Node<T>> {
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]   --> src/xorlist.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn push_back<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]   --> src/xorlist.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn push_front<U: Unsize<T>>(&mut self, val: U) {
[INFO] [stderr]    |                          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]    --> src/xorlist.rs:484:29
[INFO] [stderr]     |
[INFO] [stderr] 484 |     pub fn insert_before<U: Unsize<T>>(&self, val: U) {
[INFO] [stderr]     |                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'unsize'
[INFO] [stderr]    --> src/xorlist.rs:514:28
[INFO] [stderr]     |
[INFO] [stderr] 514 |     pub fn insert_after<U: Unsize<T>>(&self, val: U) {
[INFO] [stderr]     |                            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/27732
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `dynalist`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e1a3bc0a856505e902b7662565144a8eb36434302762a028f40279c14742c23c"`
[INFO] running `"docker" "rm" "-f" "e1a3bc0a856505e902b7662565144a8eb36434302762a028f40279c14742c23c"`
[INFO] [stdout] e1a3bc0a856505e902b7662565144a8eb36434302762a028f40279c14742c23c