Aug 31 23:49:22.474 INFO checking json-codec-0.5.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 23:49:22.474 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 23:49:22.474 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 23:49:22.650 INFO blam! 76a6b523bb8b83178a3a817ce2d3549108dd43b1d30118e168b19740fe62e921
Aug 31 23:49:22.652 INFO running `"docker" "start" "-a" "76a6b523bb8b83178a3a817ce2d3549108dd43b1d30118e168b19740fe62e921"`
Aug 31 23:49:23.319 INFO kablam!     Checking json-codec v0.5.0 (file:///source)
Aug 31 23:49:26.352 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Aug 31 23:49:26.352 INFO kablam!    --> tests/properties.rs:132:13
Aug 31 23:49:26.352 INFO kablam!     |
Aug 31 23:49:26.352 INFO kablam! 132 |     match g.gen_range(1, 8) {
Aug 31 23:49:26.352 INFO kablam!     |             ^^^^^^^^^
Aug 31 23:49:26.352 INFO kablam!     |
Aug 31 23:49:26.352 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 31 23:49:26.352 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 31 23:49:26.352 INFO kablam!     |
Aug 31 23:49:26.352 INFO kablam! 4   | use rand::Rng;
Aug 31 23:49:26.352 INFO kablam!     |
Aug 31 23:49:26.352 INFO kablam! 
Aug 31 23:49:26.353 INFO kablam! error[E0599]: no method named `gen` found for type `&mut G` in the current scope
Aug 31 23:49:26.353 INFO kablam!    --> tests/properties.rs:135:29
Aug 31 23:49:26.353 INFO kablam!     |
Aug 31 23:49:26.354 INFO kablam! 135 |         3 => Json::Number(g.gen()),
Aug 31 23:49:26.354 INFO kablam!     |                             ^^^
Aug 31 23:49:26.354 INFO kablam!     |
Aug 31 23:49:26.354 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 31 23:49:26.354 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 31 23:49:26.354 INFO kablam!     |
Aug 31 23:49:26.354 INFO kablam! 4   | use rand::Rng;
Aug 31 23:49:26.354 INFO kablam!     |
Aug 31 23:49:26.354 INFO kablam! 
Aug 31 23:49:26.364 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Aug 31 23:49:26.364 INFO kablam!    --> tests/properties.rs:154:21
Aug 31 23:49:26.364 INFO kablam!     |
Aug 31 23:49:26.364 INFO kablam! 154 |     let     len = g.gen_range(0, 64);
Aug 31 23:49:26.364 INFO kablam!     |                     ^^^^^^^^^
Aug 31 23:49:26.364 INFO kablam!     |
Aug 31 23:49:26.365 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 31 23:49:26.365 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 31 23:49:26.365 INFO kablam!     |
Aug 31 23:49:26.365 INFO kablam! 4   | use rand::Rng;
Aug 31 23:49:26.365 INFO kablam!     |
Aug 31 23:49:26.365 INFO kablam! 
Aug 31 23:49:26.370 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Aug 31 23:49:26.370 INFO kablam!    --> tests/properties.rs:163:21
Aug 31 23:49:26.370 INFO kablam!     |
Aug 31 23:49:26.370 INFO kablam! 163 |     let     len = g.gen_range(0, 64);
Aug 31 23:49:26.370 INFO kablam!     |                     ^^^^^^^^^
Aug 31 23:49:26.370 INFO kablam!     |
Aug 31 23:49:26.370 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Aug 31 23:49:26.370 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Aug 31 23:49:26.371 INFO kablam!     |
Aug 31 23:49:26.371 INFO kablam! 4   | use rand::Rng;
Aug 31 23:49:26.371 INFO kablam!     |
Aug 31 23:49:26.371 INFO kablam! 
Aug 31 23:49:26.381 INFO kablam! error: aborting due to 4 previous errors
Aug 31 23:49:26.381 INFO kablam! 
Aug 31 23:49:26.381 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Aug 31 23:49:26.393 INFO kablam! error: Could not compile `json-codec`.
Aug 31 23:49:26.393 INFO kablam! 
Aug 31 23:49:26.393 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 23:49:26.394 INFO kablam! su: No module specific data is present
Aug 31 23:49:26.844 INFO running `"docker" "rm" "-f" "76a6b523bb8b83178a3a817ce2d3549108dd43b1d30118e168b19740fe62e921"`
Aug 31 23:49:26.946 INFO blam! 76a6b523bb8b83178a3a817ce2d3549108dd43b1d30118e168b19740fe62e921