[INFO] updating cached repository thekashifmalik/python.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thekashifmalik/python.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thekashifmalik/python.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/thekashifmalik/python.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thekashifmalik/python.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thekashifmalik/python.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thekashifmalik/python.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thekashifmalik/python.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 053009f1436fb5b9b0c6a762e6cd546fb91a44fd
[INFO] sha for GitHub repo thekashifmalik/python.rs: 053009f1436fb5b9b0c6a762e6cd546fb91a44fd
[INFO] validating manifest of thekashifmalik/python.rs 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 thekashifmalik/python.rs 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 thekashifmalik/python.rs
[INFO] finished frobbing thekashifmalik/python.rs
[INFO] frobbed toml for thekashifmalik/python.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/thekashifmalik/python.rs/Cargo.toml
[INFO] started frobbing thekashifmalik/python.rs
[INFO] finished frobbing thekashifmalik/python.rs
[INFO] frobbed toml for thekashifmalik/python.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thekashifmalik/python.rs/Cargo.toml
[INFO] crate thekashifmalik/python.rs 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 thekashifmalik/python.rs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/thekashifmalik/python.rs:/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] 05133ec4be2770dfe0dfc7991d9ee1c7a7c189f6fbb980deba21ae1d3b21453d
[INFO] running `"docker" "start" "-a" "05133ec4be2770dfe0dfc7991d9ee1c7a7c189f6fbb980deba21ae1d3b21453d"`
[INFO] [stderr]    Compiling python v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0658]: The attribute `deriving` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]  --> src/main.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[deriving(Show)]
[INFO] [stderr]   |   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: The attribute `deriving` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stderr]   --> src/main.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[deriving(Show)]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `Bool` in this scope
[INFO] [stderr]   --> src/main.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |             "True" => { Ok(Bool(true)) },
[INFO] [stderr]    |                            ^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use PythonType::Bool;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `Bool` in this scope
[INFO] [stderr]   --> src/main.rs:37:29
[INFO] [stderr]    |
[INFO] [stderr] 37 |             "False" => { Ok(Bool(false)) },
[INFO] [stderr]    |                             ^^^^ not found in this scope
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 1  | use PythonType::Bool;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `pop_char` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/main.rs:27:38
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let hopefully_newline = line.pop_char().unwrap();
[INFO] [stderr]    |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/main.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |         match self.token.as_slice() {
[INFO] [stderr]    |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:35:28
[INFO] [stderr]    |
[INFO] [stderr] 35 |             "None" => { Ok(None) },
[INFO] [stderr]    |                            ^^^^ expected enum `PythonType`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `PythonType<'_>`
[INFO] [stderr]               found type `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `lines` found for type `std::io::Stdin` in the current scope
[INFO] [stderr]   --> src/main.rs:48:33
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for line in io::stdin().lines() {
[INFO] [stderr]    |                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `PythonType<'_>` doesn't implement `std::fmt::Display`
[INFO] [stderr]   --> src/main.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |             print!("{}\n", value);
[INFO] [stderr]    |                            ^^^^^ `PythonType<'_>` cannot be formatted with the default formatter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Display` is not implemented for `PythonType<'_>`
[INFO] [stderr]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]    = note: required by `std::fmt::Display::fmt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0425, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `python`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "05133ec4be2770dfe0dfc7991d9ee1c7a7c189f6fbb980deba21ae1d3b21453d"`
[INFO] running `"docker" "rm" "-f" "05133ec4be2770dfe0dfc7991d9ee1c7a7c189f6fbb980deba21ae1d3b21453d"`
[INFO] [stdout] 05133ec4be2770dfe0dfc7991d9ee1c7a7c189f6fbb980deba21ae1d3b21453d