[INFO] updating cached repository alexandercampbell/rust-cc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexandercampbell/rust-cc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandercampbell/rust-cc" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexandercampbell/rust-cc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexandercampbell/rust-cc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexandercampbell/rust-cc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandercampbell/rust-cc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandercampbell/rust-cc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8caab9188cd8b063fc1a4ca0ee74755ac6ad6ce0
[INFO] sha for GitHub repo alexandercampbell/rust-cc: 8caab9188cd8b063fc1a4ca0ee74755ac6ad6ce0
[INFO] validating manifest of alexandercampbell/rust-cc 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 alexandercampbell/rust-cc 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 alexandercampbell/rust-cc
[INFO] finished frobbing alexandercampbell/rust-cc
[INFO] frobbed toml for alexandercampbell/rust-cc written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexandercampbell/rust-cc/Cargo.toml
[INFO] started frobbing alexandercampbell/rust-cc
[INFO] finished frobbing alexandercampbell/rust-cc
[INFO] frobbed toml for alexandercampbell/rust-cc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexandercampbell/rust-cc/Cargo.toml
[INFO] crate alexandercampbell/rust-cc 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexandercampbell/rust-cc 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/gh/alexandercampbell/rust-cc:/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] 7db8ad00844ae74349ae26615771eda1f497f750806ab7a63bdf35cf740dbf17
[INFO] running `"docker" "start" "-a" "7db8ad00844ae74349ae26615771eda1f497f750806ab7a63bdf35cf740dbf17"`
[INFO] [stderr]    Compiling rust-cc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(box_syntax)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser/lexer/lex_subroutines.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |             '0'...'9' => (),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser/lexer/lex_subroutines.rs:87:16
[INFO] [stderr]    |
[INFO] [stderr] 87 |             'A'...'Z'|'a'...'z'|'0'...'9'|'_' => literal.push(ch),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser/lexer/lex_subroutines.rs:87:26
[INFO] [stderr]    |
[INFO] [stderr] 87 |             'A'...'Z'|'a'...'z'|'0'...'9'|'_' => literal.push(ch),
[INFO] [stderr]    |                          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser/lexer/lex_subroutines.rs:87:36
[INFO] [stderr]    |
[INFO] [stderr] 87 |             'A'...'Z'|'a'...'z'|'0'...'9'|'_' => literal.push(ch),
[INFO] [stderr]    |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser/lexer/mod.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 '0'...'9'|'.' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser/lexer/mod.rs:126:20
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 'a'...'z'|'A'...'Z'|'_' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser/lexer/mod.rs:126:30
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 'a'...'z'|'A'...'Z'|'_' => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source.rs:19:59
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn from_disk(location: &Path) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rust-cc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7db8ad00844ae74349ae26615771eda1f497f750806ab7a63bdf35cf740dbf17"`
[INFO] running `"docker" "rm" "-f" "7db8ad00844ae74349ae26615771eda1f497f750806ab7a63bdf35cf740dbf17"`
[INFO] [stdout] 7db8ad00844ae74349ae26615771eda1f497f750806ab7a63bdf35cf740dbf17