Sep 20 22:23:43.480 INFO checking jrvidal/r5.rs against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 20 22:23:43.480 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 20 22:23:43.480 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 22:23:43.706 INFO blam! a3aa5d064b9a48b34de3f7216703b27c3b5af53b42b0bf48722fad879d52d937
Sep 20 22:23:43.708 INFO running `"docker" "start" "-a" "a3aa5d064b9a48b34de3f7216703b27c3b5af53b42b0bf48722fad879d52d937"`
Sep 20 22:23:45.258 INFO kablam! usermod: no changes
Sep 20 22:23:45.430 INFO kablam!     Checking quick-error v1.2.1
Sep 20 22:23:45.430 INFO kablam!     Checking encode_unicode v0.1.3
Sep 20 22:23:45.430 INFO kablam!     Checking gc v0.3.2
Sep 20 22:23:45.430 INFO kablam!     Checking atty v0.2.10
Sep 20 22:23:45.438 INFO kablam!     Checking regex v1.0.0
Sep 20 22:23:46.342 INFO kablam!     Checking humantime v1.1.1
Sep 20 22:23:47.634 INFO kablam!     Checking rustyline v1.0.0
Sep 20 22:23:50.738 INFO kablam!     Checking env_logger v0.5.10
Sep 20 22:23:51.490 INFO kablam!     Checking r5rs v0.2.0 (/source)
Sep 20 22:23:52.438 INFO kablam! warning: the trait bound `T: gc::Trace` is not satisfied
Sep 20 22:23:52.438 INFO kablam!  --> src/vm/gc.rs:2:24
Sep 20 22:23:52.438 INFO kablam!   |
Sep 20 22:23:52.438 INFO kablam! 2 | pub type GcShared<T> = Gc<GcCell<T>>;
Sep 20 22:23:52.438 INFO kablam!   |                        ^^^^^^^^^^^^^ the trait `gc::Trace` is not implemented for `T`
Sep 20 22:23:52.438 INFO kablam!   |
Sep 20 22:23:52.438 INFO kablam!   = note: #[warn(type_alias_missing_bounds)] on by default
Sep 20 22:23:52.438 INFO kablam!   = help: consider adding a `where T: gc::Trace` bound
Sep 20 22:23:52.438 INFO kablam!   = note: required because of the requirements on the impl of `gc::Trace` for `gc::GcCell<T>`
Sep 20 22:23:52.438 INFO kablam!   = help: missing bounds in type aliases were previously allowed
Sep 20 22:23:52.438 INFO kablam!   = help: this is a hard error in Rust 2018
Sep 20 22:23:52.438 INFO kablam! 
Sep 20 22:23:52.914 INFO kablam! warning: the trait bound `T: gc::Trace` is not satisfied
Sep 20 22:23:52.914 INFO kablam!  --> src/vm/gc.rs:2:24
Sep 20 22:23:52.914 INFO kablam!   |
Sep 20 22:23:52.914 INFO kablam! 2 | pub type GcShared<T> = Gc<GcCell<T>>;
Sep 20 22:23:52.914 INFO kablam!   |                        ^^^^^^^^^^^^^ the trait `gc::Trace` is not implemented for `T`
Sep 20 22:23:52.914 INFO kablam!   |
Sep 20 22:23:52.914 INFO kablam!   = note: #[warn(type_alias_missing_bounds)] on by default
Sep 20 22:23:52.914 INFO kablam!   = help: consider adding a `where T: gc::Trace` bound
Sep 20 22:23:52.914 INFO kablam!   = note: required because of the requirements on the impl of `gc::Trace` for `gc::GcCell<T>`
Sep 20 22:23:52.914 INFO kablam!   = help: missing bounds in type aliases were previously allowed
Sep 20 22:23:52.914 INFO kablam!   = help: this is a hard error in Rust 2018
Sep 20 22:23:52.914 INFO kablam! 
Sep 20 22:23:57.053 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.74s
Sep 20 22:23:57.060 INFO kablam! su: No module specific data is present
Sep 20 22:23:58.093 INFO running `"docker" "rm" "-f" "a3aa5d064b9a48b34de3f7216703b27c3b5af53b42b0bf48722fad879d52d937"`
Sep 20 22:23:58.229 INFO blam! a3aa5d064b9a48b34de3f7216703b27c3b5af53b42b0bf48722fad879d52d937