Dec 19 14:54:09.198 INFO checking jroesch/molten against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:54:09.198 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jroesch/molten:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:54:09.388 INFO [stdout] 48e2ec6ccb8ad3e97772d2878484a799b5957678b3ece2d507d3be39fcd3cb98
Dec 19 14:54:09.390 INFO running `"docker" "start" "-a" "48e2ec6ccb8ad3e97772d2878484a799b5957678b3ece2d507d3be39fcd3cb98"`
Dec 19 14:54:09.890 INFO [stderr]     Checking molten v0.0.1 (/opt/crater/workdir)
Dec 19 14:54:10.028 INFO [stderr] warning: unused imports: `FnMut`, `Fn`
Dec 19 14:54:10.028 INFO [stderr]  --> src/poly.rs:3:16
Dec 19 14:54:10.028 INFO [stderr]   |
Dec 19 14:54:10.028 INFO [stderr] 3 | use std::ops::{Fn, FnMut, FnOnce};
Dec 19 14:54:10.028 INFO [stderr]   |                ^^  ^^^^^
Dec 19 14:54:10.028 INFO [stderr]   |
Dec 19 14:54:10.028 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:54:10.028 INFO [stderr] 
Dec 19 14:54:10.028 INFO [stderr] warning: unused import: `hlist::*`
Dec 19 14:54:10.028 INFO [stderr]  --> src/tuple.rs:1:5
Dec 19 14:54:10.028 INFO [stderr]   |
Dec 19 14:54:10.028 INFO [stderr] 1 | use hlist::*;
Dec 19 14:54:10.028 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:54:10.028 INFO [stderr] 
Dec 19 14:54:10.051 INFO [stderr] warning: unused imports: `FnMut`, `Fn`
Dec 19 14:54:10.051 INFO [stderr]  --> src/poly.rs:3:16
Dec 19 14:54:10.051 INFO [stderr]   |
Dec 19 14:54:10.051 INFO [stderr] 3 | use std::ops::{Fn, FnMut, FnOnce};
Dec 19 14:54:10.051 INFO [stderr]   |                ^^  ^^^^^
Dec 19 14:54:10.051 INFO [stderr]   |
Dec 19 14:54:10.051 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:54:10.051 INFO [stderr] 
Dec 19 14:54:10.051 INFO [stderr] warning: unused import: `hlist::*`
Dec 19 14:54:10.051 INFO [stderr]  --> src/tuple.rs:1:5
Dec 19 14:54:10.051 INFO [stderr]   |
Dec 19 14:54:10.051 INFO [stderr] 1 | use hlist::*;
Dec 19 14:54:10.051 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:54:10.051 INFO [stderr] 
Dec 19 14:54:10.071 INFO [stderr] warning: struct is never constructed: `identity`
Dec 19 14:54:10.071 INFO [stderr]   --> src/poly.rs:47:1
Dec 19 14:54:10.100 INFO [stderr]    |
Dec 19 14:54:10.100 INFO [stderr] 47 | struct identity;
Dec 19 14:54:10.100 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 19 14:54:10.100 INFO [stderr]    |
Dec 19 14:54:10.100 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:54:10.100 INFO [stderr] 
Dec 19 14:54:10.100 INFO [stderr] warning: struct is never constructed: `headOption`
Dec 19 14:54:10.100 INFO [stderr]   --> src/poly.rs:56:1
Dec 19 14:54:10.100 INFO [stderr]    |
Dec 19 14:54:10.100 INFO [stderr] 56 | struct headOption;
Dec 19 14:54:10.100 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 14:54:10.100 INFO [stderr] 
Dec 19 14:54:10.100 INFO [stderr] warning: struct is never constructed: `size`
Dec 19 14:54:10.100 INFO [stderr]   --> src/poly.rs:59:1
Dec 19 14:54:10.100 INFO [stderr]    |
Dec 19 14:54:10.100 INFO [stderr] 59 | struct size;
Dec 19 14:54:10.100 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 14:54:10.100 INFO [stderr] 
Dec 19 14:54:10.100 INFO [stderr] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
Dec 19 14:54:10.100 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 14:54:10.101 INFO [stderr]   |
Dec 19 14:54:10.101 INFO [stderr] 3 | #![feature(type_macros)]
Dec 19 14:54:10.101 INFO [stderr]   |            ^^^^^^^^^^^
Dec 19 14:54:10.101 INFO [stderr]   |
Dec 19 14:54:10.101 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 14:54:10.101 INFO [stderr] 
Dec 19 14:54:10.101 INFO [stderr] warning: unused variable: `x`
Dec 19 14:54:10.101 INFO [stderr]   --> src/poly.rs:63:9
Dec 19 14:54:10.101 INFO [stderr]    |
Dec 19 14:54:10.101 INFO [stderr] 63 |     let x = singleton(10);
Dec 19 14:54:10.101 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 19 14:54:10.101 INFO [stderr]    |
Dec 19 14:54:10.101 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:54:10.101 INFO [stderr] 
Dec 19 14:54:10.101 INFO [stderr] warning: unused variable: `y`
Dec 19 14:54:10.101 INFO [stderr]   --> src/poly.rs:64:9
Dec 19 14:54:10.101 INFO [stderr]    |
Dec 19 14:54:10.101 INFO [stderr] 64 |     let y = singleton("hello");
Dec 19 14:54:10.151 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 19 14:54:10.152 INFO [stderr] 
Dec 19 14:54:10.152 INFO [stderr] warning: struct is never constructed: `identity`
Dec 19 14:54:10.152 INFO [stderr]   --> src/poly.rs:47:1
Dec 19 14:54:10.152 INFO [stderr]    |
Dec 19 14:54:10.152 INFO [stderr] 47 | struct identity;
Dec 19 14:54:10.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 19 14:54:10.152 INFO [stderr]    |
Dec 19 14:54:10.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:54:10.152 INFO [stderr] 
Dec 19 14:54:10.152 INFO [stderr] warning: struct is never constructed: `headOption`
Dec 19 14:54:10.152 INFO [stderr]   --> src/poly.rs:56:1
Dec 19 14:54:10.152 INFO [stderr]    |
Dec 19 14:54:10.152 INFO [stderr] 56 | struct headOption;
Dec 19 14:54:10.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 14:54:10.152 INFO [stderr] 
Dec 19 14:54:10.152 INFO [stderr] warning: struct is never constructed: `size`
Dec 19 14:54:10.152 INFO [stderr]   --> src/poly.rs:59:1
Dec 19 14:54:10.152 INFO [stderr]    |
Dec 19 14:54:10.152 INFO [stderr] 59 | struct size;
Dec 19 14:54:10.152 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 14:54:10.152 INFO [stderr] 
Dec 19 14:54:10.152 INFO [stderr] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
Dec 19 14:54:10.152 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 14:54:10.152 INFO [stderr]   |
Dec 19 14:54:10.152 INFO [stderr] 3 | #![feature(type_macros)]
Dec 19 14:54:10.152 INFO [stderr]   |            ^^^^^^^^^^^
Dec 19 14:54:10.152 INFO [stderr]   |
Dec 19 14:54:10.152 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 14:54:10.152 INFO [stderr] 
Dec 19 14:54:10.208 INFO [stderr] warning: unused variable: `point`
Dec 19 14:54:10.208 INFO [stderr]   --> tests/tests.rs:16:9
Dec 19 14:54:10.208 INFO [stderr]    |
Dec 19 14:54:10.208 INFO [stderr] 16 |     let point = Point { x: 0, y: 0 };
Dec 19 14:54:10.208 INFO [stderr]    |         ^^^^^ help: consider using `_point` instead
Dec 19 14:54:10.208 INFO [stderr]    |
Dec 19 14:54:10.208 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:54:10.208 INFO [stderr] 
Dec 19 14:54:10.208 INFO [stderr] warning: struct is never constructed: `Point`
Dec 19 14:54:10.208 INFO [stderr]  --> tests/tests.rs:6:1
Dec 19 14:54:10.208 INFO [stderr]   |
Dec 19 14:54:10.208 INFO [stderr] 6 | struct Point {
Dec 19 14:54:10.208 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 14:54:10.208 INFO [stderr]   |
Dec 19 14:54:10.208 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:54:10.208 INFO [stderr] 
Dec 19 14:54:10.208 INFO [stderr] warning: function is never used: `test_generic_point`
Dec 19 14:54:10.208 INFO [stderr]   --> tests/tests.rs:15:1
Dec 19 14:54:10.208 INFO [stderr]    |
Dec 19 14:54:10.208 INFO [stderr] 15 | fn test_generic_point() {
Dec 19 14:54:10.208 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:54:10.208 INFO [stderr] 
Dec 19 14:54:10.225 INFO [stderr] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
Dec 19 14:54:10.225 INFO [stderr]  --> tests/tests.rs:1:12
Dec 19 14:54:10.225 INFO [stderr]   |
Dec 19 14:54:10.225 INFO [stderr] 1 | #![feature(type_macros)]
Dec 19 14:54:10.225 INFO [stderr]   |            ^^^^^^^^^^^
Dec 19 14:54:10.225 INFO [stderr]   |
Dec 19 14:54:10.225 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 14:54:10.225 INFO [stderr] 
Dec 19 14:54:10.225 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Dec 19 14:54:10.528 INFO running `"docker" "inspect" "48e2ec6ccb8ad3e97772d2878484a799b5957678b3ece2d507d3be39fcd3cb98"`
Dec 19 14:54:10.674 INFO running `"docker" "rm" "-f" "48e2ec6ccb8ad3e97772d2878484a799b5957678b3ece2d507d3be39fcd3cb98"`
Dec 19 14:54:10.769 INFO [stdout] 48e2ec6ccb8ad3e97772d2878484a799b5957678b3ece2d507d3be39fcd3cb98