Sep 20 01:20:06.036 INFO checking json-codec-0.5.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 01:20:06.036 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 01:20:06.036 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:20:06.162 INFO blam! 699ecf0c1591f72355411c8b1cdcd0529f4b8ed3849b45a27e1901a05b4e8834
Sep 20 01:20:06.164 INFO running `"docker" "start" "-a" "699ecf0c1591f72355411c8b1cdcd0529f4b8ed3849b45a27e1901a05b4e8834"`
Sep 20 01:20:07.286 INFO kablam! usermod: no changes
Sep 20 01:20:07.362 INFO kablam!     Checking json-codec v0.5.0 (/source)
Sep 20 01:20:07.362 INFO kablam!     Checking quickcheck v0.7.1
Sep 20 01:20:09.737 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Sep 20 01:20:09.737 INFO kablam!    --> tests/properties.rs:132:13
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam! 132 |     match g.gen_range(1, 8) {
Sep 20 01:20:09.737 INFO kablam!     |             ^^^^^^^^^
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Sep 20 01:20:09.737 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam! 4   | use rand::Rng;
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam! 
Sep 20 01:20:09.737 INFO kablam! error[E0599]: no method named `gen` found for type `&mut G` in the current scope
Sep 20 01:20:09.737 INFO kablam!    --> tests/properties.rs:135:29
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam! 135 |         3 => Json::Number(g.gen()),
Sep 20 01:20:09.737 INFO kablam!     |                             ^^^
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Sep 20 01:20:09.737 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam! 4   | use rand::Rng;
Sep 20 01:20:09.737 INFO kablam!     |
Sep 20 01:20:09.737 INFO kablam! 
Sep 20 01:20:09.738 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Sep 20 01:20:09.738 INFO kablam!    --> tests/properties.rs:154:21
Sep 20 01:20:09.738 INFO kablam!     |
Sep 20 01:20:09.738 INFO kablam! 154 |     let     len = g.gen_range(0, 64);
Sep 20 01:20:09.738 INFO kablam!     |                     ^^^^^^^^^
Sep 20 01:20:09.738 INFO kablam!     |
Sep 20 01:20:09.738 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Sep 20 01:20:09.738 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Sep 20 01:20:09.738 INFO kablam!     |
Sep 20 01:20:09.738 INFO kablam! 4   | use rand::Rng;
Sep 20 01:20:09.738 INFO kablam!     |
Sep 20 01:20:09.738 INFO kablam! 
Sep 20 01:20:09.741 INFO kablam! error[E0599]: no method named `gen_range` found for type `&mut G` in the current scope
Sep 20 01:20:09.741 INFO kablam!    --> tests/properties.rs:163:21
Sep 20 01:20:09.741 INFO kablam!     |
Sep 20 01:20:09.741 INFO kablam! 163 |     let     len = g.gen_range(0, 64);
Sep 20 01:20:09.741 INFO kablam!     |                     ^^^^^^^^^
Sep 20 01:20:09.742 INFO kablam!     |
Sep 20 01:20:09.742 INFO kablam!     = help: items from traits can only be used if the trait is in scope
Sep 20 01:20:09.742 INFO kablam! help: the following trait is implemented but not in scope, perhaps add a `use` for it:
Sep 20 01:20:09.742 INFO kablam!     |
Sep 20 01:20:09.742 INFO kablam! 4   | use rand::Rng;
Sep 20 01:20:09.742 INFO kablam!     |
Sep 20 01:20:09.742 INFO kablam! 
Sep 20 01:20:09.757 INFO kablam! error: aborting due to 4 previous errors
Sep 20 01:20:09.757 INFO kablam! 
Sep 20 01:20:09.757 INFO kablam! For more information about this error, try `rustc --explain E0599`.
Sep 20 01:20:09.768 INFO kablam! error: Could not compile `json-codec`.
Sep 20 01:20:09.768 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 01:20:09.987 INFO kablam! error: build failed
Sep 20 01:20:09.987 INFO kablam! su: No module specific data is present
Sep 20 01:20:10.765 INFO running `"docker" "rm" "-f" "699ecf0c1591f72355411c8b1cdcd0529f4b8ed3849b45a27e1901a05b4e8834"`
Sep 20 01:20:10.892 INFO blam! 699ecf0c1591f72355411c8b1cdcd0529f4b8ed3849b45a27e1901a05b4e8834