Oct 12 17:41:18.540 INFO checking max6cn/Kaleidoscope.rs against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 17:41:18.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 17:41:18.755 INFO blam! d2a83ddc760e51a97fcef2df9224697d38ae9be852b53c5ba6c48e3f547e78fd
Oct 12 17:41:18.757 INFO running `"docker" "start" "-a" "d2a83ddc760e51a97fcef2df9224697d38ae9be852b53c5ba6c48e3f547e78fd"`
Oct 12 17:41:20.443 INFO kablam! usermod: no changes
Oct 12 17:41:20.496 INFO kablam! warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Oct 12 17:41:20.496 INFO kablam! disables Cargo from automatically inferring other binary targets.
Oct 12 17:41:20.496 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Oct 12 17:41:20.496 INFO kablam! files will be included as a binary target:
Oct 12 17:41:20.496 INFO kablam! 
Oct 12 17:41:20.496 INFO kablam! * /source/src/bin/main.rs
Oct 12 17:41:20.496 INFO kablam! 
Oct 12 17:41:20.496 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Oct 12 17:41:20.496 INFO kablam! ready to be compiled as a binary target today. You can future-proof yourself
Oct 12 17:41:20.496 INFO kablam! and disable this warning by adding `autobins = false` to your [package]
Oct 12 17:41:20.496 INFO kablam! section. You may also move the files to a location where Cargo would not
Oct 12 17:41:20.496 INFO kablam! automatically infer them to be a target, such as in subfolders.
Oct 12 17:41:20.496 INFO kablam! 
Oct 12 17:41:20.496 INFO kablam! For more information on this warning you can consult
Oct 12 17:41:20.496 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Oct 12 17:41:20.496 INFO kablam! warning: path `/source/src/bin/main.rs` was erroneously implicitly accepted for binary `Kaleidoscope`,
Oct 12 17:41:20.496 INFO kablam! please set bin.path in Cargo.toml
Oct 12 17:41:20.617 INFO kablam!     Checking Kaleidoscope v0.1.0 (/source)
Oct 12 17:41:21.856 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:41:21.856 INFO kablam!   --> src/lib/Lexer.rs:16:13
Oct 12 17:41:21.856 INFO kablam!    |
Oct 12 17:41:21.856 INFO kablam! 16 |         let mut bs = self.buf.as_mut_slice();
Oct 12 17:41:21.857 INFO kablam!    |             ----^^
Oct 12 17:41:21.857 INFO kablam!    |             |
Oct 12 17:41:21.857 INFO kablam!    |             help: remove this `mut`
Oct 12 17:41:21.857 INFO kablam!    |
Oct 12 17:41:21.857 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 17:41:21.857 INFO kablam! 
Oct 12 17:41:21.874 INFO kablam! warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
Oct 12 17:41:21.875 INFO kablam!  --> src/lib/lib.rs:1:12
Oct 12 17:41:21.875 INFO kablam!   |
Oct 12 17:41:21.875 INFO kablam! 1 | #![feature(core,convert)]
Oct 12 17:41:21.875 INFO kablam!   |            ^^^^
Oct 12 17:41:21.875 INFO kablam!   |
Oct 12 17:41:21.875 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 17:41:21.875 INFO kablam! 
Oct 12 17:41:21.875 INFO kablam! error[E0635]: unknown feature `scoped`
Oct 12 17:41:21.875 INFO kablam!  --> src/lib/lib.rs:6:12
Oct 12 17:41:21.875 INFO kablam!   |
Oct 12 17:41:21.875 INFO kablam! 6 | #![feature(scoped)]
Oct 12 17:41:21.875 INFO kablam!   |            ^^^^^^
Oct 12 17:41:21.875 INFO kablam! 
Oct 12 17:41:21.875 INFO kablam! error[E0635]: unknown feature `convert`
Oct 12 17:41:21.875 INFO kablam!  --> src/lib/lib.rs:1:17
Oct 12 17:41:21.875 INFO kablam!   |
Oct 12 17:41:21.875 INFO kablam! 1 | #![feature(core,convert)]
Oct 12 17:41:21.875 INFO kablam!   |                 ^^^^^^^
Oct 12 17:41:21.875 INFO kablam! 
Oct 12 17:41:21.895 INFO kablam! error: aborting due to 2 previous errors
Oct 12 17:41:21.895 INFO kablam! 
Oct 12 17:41:21.895 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 12 17:41:21.898 INFO kablam! error[E0599]: no method named `unwrap` found for type `()` in the current scope
Oct 12 17:41:21.899 INFO kablam!    --> src/lib/Parser.rs:301:28
Oct 12 17:41:21.899 INFO kablam!     |
Oct 12 17:41:21.899 INFO kablam! 301 |         env_logger::init().unwrap();
Oct 12 17:41:21.899 INFO kablam!     |                            ^^^^^^
Oct 12 17:41:21.899 INFO kablam! 
Oct 12 17:41:21.905 INFO kablam! error: Could not compile `Kaleidoscope`.
Oct 12 17:41:21.905 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 12 17:41:21.907 INFO kablam! error: aborting due to previous error
Oct 12 17:41:21.908 INFO kablam! 
Oct 12 17:41:21.908 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Oct 12 17:41:21.922 INFO kablam! error: Could not compile `Kaleidoscope`.
Oct 12 17:41:21.923 INFO kablam! 
Oct 12 17:41:21.923 INFO kablam! To learn more, run the command again with --verbose.
Oct 12 17:41:21.924 INFO kablam! su: No module specific data is present
Oct 12 17:41:22.264 INFO running `"docker" "rm" "-f" "d2a83ddc760e51a97fcef2df9224697d38ae9be852b53c5ba6c48e3f547e78fd"`
Oct 12 17:41:22.400 INFO blam! d2a83ddc760e51a97fcef2df9224697d38ae9be852b53c5ba6c48e3f547e78fd