Aug 30 13:30:44.756 INFO checking json-codec-0.5.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 13:30:44.756 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 13:30:44.756 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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=500" "-e" "CMD=cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 13:30:44.915 INFO blam! 597c625b4461cb6cd2ae335dc386ee7cce505aa5c19db3bd22b6acc1deb8a5c3
Aug 30 13:30:44.917 INFO running `"docker" "start" "-a" "597c625b4461cb6cd2ae335dc386ee7cce505aa5c19db3bd22b6acc1deb8a5c3"`
Aug 30 13:30:45.568 INFO kablam!     Checking json-codec v0.5.0 (file:///source)
Aug 30 13:30:48.560 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Aug 30 13:30:48.560 INFO kablam!    --> tests/properties.rs:132:13
Aug 30 13:30:48.560 INFO kablam!     |
Aug 30 13:30:48.560 INFO kablam! 132 |     match g.gen_range(1, 8) {
Aug 30 13:30:48.560 INFO kablam!     |             ^^^^^^^^^
Aug 30 13:30:48.560 INFO kablam!     |
Aug 30 13:30:48.561 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 30 13:30:48.561 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 30 13:30:48.561 INFO kablam!     |
Aug 30 13:30:48.561 INFO kablam! 4   | use rand::Rng;
Aug 30 13:30:48.561 INFO kablam!     |
Aug 30 13:30:48.561 INFO kablam! 
Aug 30 13:30:48.562 INFO kablam! error[E0599]: no method named `gen` found for type `&mut G` in the current scope
Aug 30 13:30:48.562 INFO kablam!    --> tests/properties.rs:135:29
Aug 30 13:30:48.562 INFO kablam!     |
Aug 30 13:30:48.562 INFO kablam! 135 |         3 => Json::Number(g.gen()),
Aug 30 13:30:48.562 INFO kablam!     |                             ^^^
Aug 30 13:30:48.562 INFO kablam!     |
Aug 30 13:30:48.562 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 30 13:30:48.562 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 30 13:30:48.562 INFO kablam!     |
Aug 30 13:30:48.562 INFO kablam! 4   | use rand::Rng;
Aug 30 13:30:48.562 INFO kablam!     |
Aug 30 13:30:48.562 INFO kablam! 
Aug 30 13:30:48.570 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Aug 30 13:30:48.570 INFO kablam!    --> tests/properties.rs:154:21
Aug 30 13:30:48.570 INFO kablam!     |
Aug 30 13:30:48.570 INFO kablam! 154 |     let     len = g.gen_range(0, 64);
Aug 30 13:30:48.570 INFO kablam!     |                     ^^^^^^^^^
Aug 30 13:30:48.570 INFO kablam!     |
Aug 30 13:30:48.570 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 30 13:30:48.570 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 30 13:30:48.570 INFO kablam!     |
Aug 30 13:30:48.570 INFO kablam! 4   | use rand::Rng;
Aug 30 13:30:48.570 INFO kablam!     |
Aug 30 13:30:48.570 INFO kablam! 
Aug 30 13:30:48.574 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Aug 30 13:30:48.575 INFO kablam!    --> tests/properties.rs:163:21
Aug 30 13:30:48.575 INFO kablam!     |
Aug 30 13:30:48.575 INFO kablam! 163 |     let     len = g.gen_range(0, 64);
Aug 30 13:30:48.575 INFO kablam!     |                     ^^^^^^^^^
Aug 30 13:30:48.575 INFO kablam!     |
Aug 30 13:30:48.575 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 30 13:30:48.575 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 30 13:30:48.575 INFO kablam!     |
Aug 30 13:30:48.575 INFO kablam! 4   | use rand::Rng;
Aug 30 13:30:48.575 INFO kablam!     |
Aug 30 13:30:48.575 INFO kablam! 
Aug 30 13:30:48.583 INFO kablam! error: aborting due to 4 previous errors
Aug 30 13:30:48.583 INFO kablam! 
Aug 30 13:30:48.583 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Aug 30 13:30:48.591 INFO kablam! error: Could not compile `json-codec`.
Aug 30 13:30:48.592 INFO kablam! 
Aug 30 13:30:48.592 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 13:30:48.593 INFO kablam! su: No module specific data is present
Aug 30 13:30:49.187 INFO running `"docker" "rm" "-f" "597c625b4461cb6cd2ae335dc386ee7cce505aa5c19db3bd22b6acc1deb8a5c3"`
Aug 30 13:30:49.321 INFO blam! 597c625b4461cb6cd2ae335dc386ee7cce505aa5c19db3bd22b6acc1deb8a5c3