[INFO] updating cached repository nulldatamap/stackpile
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nulldatamap/stackpile
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nulldatamap/stackpile" "work/ex/beta-1.38-1/sources/1.37.0/gh/nulldatamap/stackpile"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nulldatamap/stackpile'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nulldatamap/stackpile" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nulldatamap/stackpile"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nulldatamap/stackpile'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d259f686ff687d8b54d6e2a615936c64f409a708
[INFO] sha for GitHub repo nulldatamap/stackpile: d259f686ff687d8b54d6e2a615936c64f409a708
[INFO] validating manifest of nulldatamap/stackpile 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 nulldatamap/stackpile 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 nulldatamap/stackpile
[INFO] finished frobbing nulldatamap/stackpile
[INFO] frobbed toml for nulldatamap/stackpile written to work/ex/beta-1.38-1/sources/1.37.0/gh/nulldatamap/stackpile/Cargo.toml
[INFO] started frobbing nulldatamap/stackpile
[INFO] finished frobbing nulldatamap/stackpile
[INFO] frobbed toml for nulldatamap/stackpile written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nulldatamap/stackpile/Cargo.toml
[INFO] crate nulldatamap/stackpile 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nulldatamap/stackpile/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[INFO] the lockfile is outdated, regenerating it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] 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 nulldatamap/stackpile 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-6/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/nulldatamap/stackpile:/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] 9560981fed57ef3a917ec8c4e1f31a231a3cc05aef45aadb1d830b444eb76831
[INFO] running `"docker" "start" "-a" "9560981fed57ef3a917ec8c4e1f31a231a3cc05aef45aadb1d830b444eb76831"`
[INFO] [stderr]    Compiling stackpile v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(collections_drain, collections)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:73:18
[INFO] [stderr]    |
[INFO] [stderr] 73 |       transmute( (&mut f_main[0] as *mut u8) );
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:76:18
[INFO] [stderr]    |
[INFO] [stderr] 76 |       transmute( (&mut f_main[8] as *mut u8) );
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |     o = transmute( (&mut f_main[16] as *mut u8) );
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:80:20
[INFO] [stderr]    |
[INFO] [stderr] 80 |     o = transmute( (&mut f_main[24] as *mut u8) );
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for type `std::vec::Vec<u8>` in the current scope
[INFO] [stderr]    --> src/task.rs:122:20
[INFO] [stderr]     |
[INFO] [stderr] 122 |     self.code.code.push_all( self.constants.get_chunk( c ) );
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `stackpile`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9560981fed57ef3a917ec8c4e1f31a231a3cc05aef45aadb1d830b444eb76831"`
[INFO] running `"docker" "rm" "-f" "9560981fed57ef3a917ec8c4e1f31a231a3cc05aef45aadb1d830b444eb76831"`
[INFO] [stdout] 9560981fed57ef3a917ec8c4e1f31a231a3cc05aef45aadb1d830b444eb76831