Sep 10 12:03:16.130 INFO checking release-0.8.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:03:16.130 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:03:16.130 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:03:16.309 INFO blam! 5fa7be2e75eb5830294329dcdf223f55026b247bf2f5e6c401cc8a300b09bfe5
Sep 10 12:03:16.311 INFO running `"docker" "start" "-a" "5fa7be2e75eb5830294329dcdf223f55026b247bf2f5e6c401cc8a300b09bfe5"`
Sep 10 12:03:16.935 INFO kablam! usermod: no changes
Sep 10 12:03:17.088 INFO kablam!     Checking release v0.8.1 (file:///source)
Sep 10 12:03:17.645 INFO kablam! warning: unused import: `std::env::current_dir`
Sep 10 12:03:17.645 INFO kablam!  --> src/tags.rs:4:5
Sep 10 12:03:17.645 INFO kablam!   |
Sep 10 12:03:17.645 INFO kablam! 4 | use std::env::current_dir;
Sep 10 12:03:17.645 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:03:17.645 INFO kablam!   |
Sep 10 12:03:17.645 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:03:17.645 INFO kablam! 
Sep 10 12:03:17.724 INFO kablam! warning: unused import: `std::env::current_dir`
Sep 10 12:03:17.724 INFO kablam!  --> src/tags.rs:4:5
Sep 10 12:03:17.724 INFO kablam!   |
Sep 10 12:03:17.724 INFO kablam! 4 | use std::env::current_dir;
Sep 10 12:03:17.724 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:03:17.724 INFO kablam!   |
Sep 10 12:03:17.724 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:03:17.724 INFO kablam! 
Sep 10 12:03:17.761 INFO kablam! warning: unused variable: `E`
Sep 10 12:03:17.761 INFO kablam!   --> src/main.rs:27:17
Sep 10 12:03:17.761 INFO kablam!    |
Sep 10 12:03:17.761 INFO kablam! 27 |             Err(E) => {
Sep 10 12:03:17.761 INFO kablam!    |                 ^ help: consider using `_E` instead
Sep 10 12:03:17.761 INFO kablam!    |
Sep 10 12:03:17.761 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 12:03:17.761 INFO kablam! 
Sep 10 12:03:17.780 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:03:17.780 INFO kablam!   --> src/tags.rs:48:13
Sep 10 12:03:17.780 INFO kablam!    |
Sep 10 12:03:17.780 INFO kablam! 48 |         let mut versions = self.get_tags().versions();
Sep 10 12:03:17.780 INFO kablam!    |             ----^^^^^^^^
Sep 10 12:03:17.780 INFO kablam!    |             |
Sep 10 12:03:17.780 INFO kablam!    |             help: remove this `mut`
Sep 10 12:03:17.780 INFO kablam!    |
Sep 10 12:03:17.780 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 12:03:17.780 INFO kablam! 
Sep 10 12:03:17.783 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:03:17.783 INFO kablam!   --> src/tags.rs:84:13
Sep 10 12:03:17.783 INFO kablam!    |
Sep 10 12:03:17.783 INFO kablam! 84 |         let mut val;
Sep 10 12:03:17.783 INFO kablam!    |             ----^^^
Sep 10 12:03:17.783 INFO kablam!    |             |
Sep 10 12:03:17.783 INFO kablam!    |             help: remove this `mut`
Sep 10 12:03:17.783 INFO kablam! 
Sep 10 12:03:17.785 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:03:17.785 INFO kablam!   --> src/tags.rs:97:13
Sep 10 12:03:17.785 INFO kablam!    |
Sep 10 12:03:17.785 INFO kablam! 97 |         let mut obj;
Sep 10 12:03:17.785 INFO kablam!    |             ----^^^
Sep 10 12:03:17.785 INFO kablam!    |             |
Sep 10 12:03:17.785 INFO kablam!    |             help: remove this `mut`
Sep 10 12:03:17.786 INFO kablam! 
Sep 10 12:03:17.787 INFO kablam! warning: method is never used: `iter`
Sep 10 12:03:17.787 INFO kablam!    --> src/tags.rs:105:5
Sep 10 12:03:17.787 INFO kablam!     |
Sep 10 12:03:17.787 INFO kablam! 105 |     pub fn iter(&self) -> Iter<Version>{
Sep 10 12:03:17.787 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:03:17.789 INFO kablam!     |
Sep 10 12:03:17.789 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 12:03:17.789 INFO kablam! 
Sep 10 12:03:17.791 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 10 12:03:17.792 INFO kablam!   --> src/tags.rs:79:17
Sep 10 12:03:17.792 INFO kablam!    |
Sep 10 12:03:17.792 INFO kablam! 79 |             Err(E) => Err(E)
Sep 10 12:03:17.792 INFO kablam!    |                 ^
Sep 10 12:03:17.792 INFO kablam!    |
Sep 10 12:03:17.792 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Sep 10 12:03:17.792 INFO kablam! 
Sep 10 12:03:17.792 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:03:17.792 INFO kablam!   --> src/main.rs:25:17
Sep 10 12:03:17.792 INFO kablam!    |
Sep 10 12:03:17.792 INFO kablam! 25 |                 release.make_release(vtype);
Sep 10 12:03:17.792 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:03:17.792 INFO kablam!    |
Sep 10 12:03:17.792 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 12:03:17.792 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:03:17.792 INFO kablam! 
Sep 10 12:03:17.792 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 10 12:03:17.792 INFO kablam!   --> src/main.rs:27:17
Sep 10 12:03:17.792 INFO kablam!    |
Sep 10 12:03:17.792 INFO kablam! 27 |             Err(E) => {
Sep 10 12:03:17.793 INFO kablam!    |                 ^
Sep 10 12:03:17.793 INFO kablam! 
Sep 10 12:03:17.910 INFO kablam! warning: unused variable: `E`
Sep 10 12:03:17.910 INFO kablam!   --> src/main.rs:27:17
Sep 10 12:03:17.910 INFO kablam!    |
Sep 10 12:03:17.910 INFO kablam! 27 |             Err(E) => {
Sep 10 12:03:17.910 INFO kablam!    |                 ^ help: consider using `_E` instead
Sep 10 12:03:17.910 INFO kablam!    |
Sep 10 12:03:17.910 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 12:03:17.910 INFO kablam! 
Sep 10 12:03:17.935 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:03:17.935 INFO kablam!   --> src/tags.rs:48:13
Sep 10 12:03:17.935 INFO kablam!    |
Sep 10 12:03:17.935 INFO kablam! 48 |         let mut versions = self.get_tags().versions();
Sep 10 12:03:17.935 INFO kablam!    |             ----^^^^^^^^
Sep 10 12:03:17.935 INFO kablam!    |             |
Sep 10 12:03:17.936 INFO kablam!    |             help: remove this `mut`
Sep 10 12:03:17.936 INFO kablam!    |
Sep 10 12:03:17.936 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 12:03:17.936 INFO kablam! 
Sep 10 12:03:17.938 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:03:17.938 INFO kablam!   --> src/tags.rs:84:13
Sep 10 12:03:17.938 INFO kablam!    |
Sep 10 12:03:17.938 INFO kablam! 84 |         let mut val;
Sep 10 12:03:17.938 INFO kablam!    |             ----^^^
Sep 10 12:03:17.938 INFO kablam!    |             |
Sep 10 12:03:17.938 INFO kablam!    |             help: remove this `mut`
Sep 10 12:03:17.938 INFO kablam! 
Sep 10 12:03:17.939 INFO kablam! warning: variable does not need to be mutable
Sep 10 12:03:17.939 INFO kablam!   --> src/tags.rs:97:13
Sep 10 12:03:17.939 INFO kablam!    |
Sep 10 12:03:17.939 INFO kablam! 97 |         let mut obj;
Sep 10 12:03:17.939 INFO kablam!    |             ----^^^
Sep 10 12:03:17.939 INFO kablam!    |             |
Sep 10 12:03:17.939 INFO kablam!    |             help: remove this `mut`
Sep 10 12:03:17.939 INFO kablam! 
Sep 10 12:03:17.940 INFO kablam! warning: method is never used: `iter`
Sep 10 12:03:17.940 INFO kablam!    --> src/tags.rs:105:5
Sep 10 12:03:17.940 INFO kablam!     |
Sep 10 12:03:17.940 INFO kablam! 105 |     pub fn iter(&self) -> Iter<Version>{
Sep 10 12:03:17.940 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:03:17.940 INFO kablam!     |
Sep 10 12:03:17.940 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 12:03:17.940 INFO kablam! 
Sep 10 12:03:17.943 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 10 12:03:17.943 INFO kablam!   --> src/tags.rs:79:17
Sep 10 12:03:17.943 INFO kablam!    |
Sep 10 12:03:17.943 INFO kablam! 79 |             Err(E) => Err(E)
Sep 10 12:03:17.943 INFO kablam!    |                 ^
Sep 10 12:03:17.943 INFO kablam!    |
Sep 10 12:03:17.943 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Sep 10 12:03:17.943 INFO kablam! 
Sep 10 12:03:17.944 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:03:17.944 INFO kablam!   --> src/main.rs:25:17
Sep 10 12:03:17.944 INFO kablam!    |
Sep 10 12:03:17.944 INFO kablam! 25 |                 release.make_release(vtype);
Sep 10 12:03:17.944 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:03:17.944 INFO kablam!    |
Sep 10 12:03:17.944 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 12:03:17.944 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:03:17.944 INFO kablam! 
Sep 10 12:03:17.944 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 10 12:03:17.944 INFO kablam!   --> src/main.rs:27:17
Sep 10 12:03:17.944 INFO kablam!    |
Sep 10 12:03:17.944 INFO kablam! 27 |             Err(E) => {
Sep 10 12:03:17.944 INFO kablam!    |                 ^
Sep 10 12:03:17.944 INFO kablam! 
Sep 10 12:03:17.963 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Sep 10 12:03:17.969 INFO kablam! su: No module specific data is present
Sep 10 12:03:18.465 INFO running `"docker" "rm" "-f" "5fa7be2e75eb5830294329dcdf223f55026b247bf2f5e6c401cc8a300b09bfe5"`
Sep 10 12:03:18.559 INFO blam! 5fa7be2e75eb5830294329dcdf223f55026b247bf2f5e6c401cc8a300b09bfe5