Sep 01 09:50:02.928 INFO checking release-0.8.1 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 09:50:02.928 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 09:50:02.928 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 09:50:03.181 INFO blam! 95e39f25d589a0a634c755793363a05d89f1fb727c999c098945b5f18b747f9d
Sep 01 09:50:03.181 INFO running `"docker" "start" "-a" "95e39f25d589a0a634c755793363a05d89f1fb727c999c098945b5f18b747f9d"`
Sep 01 09:50:04.103 INFO kablam!     Checking release v0.8.1 (file:///source)
Sep 01 09:50:05.636 INFO kablam! warning: unused import: `std::env::current_dir`
Sep 01 09:50:05.636 INFO kablam!  --> src/tags.rs:4:5
Sep 01 09:50:05.636 INFO kablam!   |
Sep 01 09:50:05.636 INFO kablam! 4 | use std::env::current_dir;
Sep 01 09:50:05.636 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:50:05.636 INFO kablam!   |
Sep 01 09:50:05.636 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 09:50:05.637 INFO kablam! 
Sep 01 09:50:05.704 INFO kablam! warning: unused import: `std::env::current_dir`
Sep 01 09:50:05.704 INFO kablam!  --> src/tags.rs:4:5
Sep 01 09:50:05.704 INFO kablam!   |
Sep 01 09:50:05.705 INFO kablam! 4 | use std::env::current_dir;
Sep 01 09:50:05.705 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:50:05.705 INFO kablam!   |
Sep 01 09:50:05.705 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 09:50:05.705 INFO kablam! 
Sep 01 09:50:05.901 INFO kablam! warning: unused variable: `E`
Sep 01 09:50:05.902 INFO kablam!   --> src/main.rs:27:17
Sep 01 09:50:05.902 INFO kablam!    |
Sep 01 09:50:05.902 INFO kablam! 27 |             Err(E) => {
Sep 01 09:50:05.902 INFO kablam!    |                 ^ help: consider using `_E` instead
Sep 01 09:50:05.902 INFO kablam!    |
Sep 01 09:50:05.902 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 09:50:05.902 INFO kablam! 
Sep 01 09:50:05.941 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:50:05.941 INFO kablam!   --> src/tags.rs:48:13
Sep 01 09:50:05.941 INFO kablam!    |
Sep 01 09:50:05.941 INFO kablam! 48 |         let mut versions = self.get_tags().versions();
Sep 01 09:50:05.941 INFO kablam!    |             ----^^^^^^^^
Sep 01 09:50:05.941 INFO kablam!    |             |
Sep 01 09:50:05.941 INFO kablam!    |             help: remove this `mut`
Sep 01 09:50:05.941 INFO kablam!    |
Sep 01 09:50:05.941 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 09:50:05.941 INFO kablam! 
Sep 01 09:50:05.945 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:50:05.945 INFO kablam!   --> src/tags.rs:84:13
Sep 01 09:50:05.945 INFO kablam!    |
Sep 01 09:50:05.945 INFO kablam! 84 |         let mut val;
Sep 01 09:50:05.945 INFO kablam!    |             ----^^^
Sep 01 09:50:05.945 INFO kablam!    |             |
Sep 01 09:50:05.945 INFO kablam!    |             help: remove this `mut`
Sep 01 09:50:05.945 INFO kablam! 
Sep 01 09:50:05.948 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:50:05.948 INFO kablam!   --> src/tags.rs:97:13
Sep 01 09:50:05.948 INFO kablam!    |
Sep 01 09:50:05.948 INFO kablam! 97 |         let mut obj;
Sep 01 09:50:05.948 INFO kablam!    |             ----^^^
Sep 01 09:50:05.949 INFO kablam!    |             |
Sep 01 09:50:05.949 INFO kablam!    |             help: remove this `mut`
Sep 01 09:50:05.949 INFO kablam! 
Sep 01 09:50:05.949 INFO kablam! warning: method is never used: `iter`
Sep 01 09:50:05.949 INFO kablam!    --> src/tags.rs:105:5
Sep 01 09:50:05.949 INFO kablam!     |
Sep 01 09:50:05.950 INFO kablam! 105 |     pub fn iter(&self) -> Iter<Version>{
Sep 01 09:50:05.950 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:50:05.950 INFO kablam!     |
Sep 01 09:50:05.950 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 01 09:50:05.950 INFO kablam! 
Sep 01 09:50:05.953 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 01 09:50:05.953 INFO kablam!   --> src/tags.rs:79:17
Sep 01 09:50:05.953 INFO kablam!    |
Sep 01 09:50:05.953 INFO kablam! 79 |             Err(E) => Err(E)
Sep 01 09:50:05.953 INFO kablam!    |                 ^
Sep 01 09:50:05.953 INFO kablam!    |
Sep 01 09:50:05.953 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Sep 01 09:50:05.953 INFO kablam! 
Sep 01 09:50:05.953 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 09:50:05.953 INFO kablam!   --> src/main.rs:25:17
Sep 01 09:50:05.953 INFO kablam!    |
Sep 01 09:50:05.954 INFO kablam! 25 |                 release.make_release(vtype);
Sep 01 09:50:05.954 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:50:05.954 INFO kablam!    |
Sep 01 09:50:05.954 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 09:50:05.954 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 09:50:05.954 INFO kablam! 
Sep 01 09:50:05.954 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 01 09:50:05.954 INFO kablam!   --> src/main.rs:27:17
Sep 01 09:50:05.954 INFO kablam!    |
Sep 01 09:50:05.954 INFO kablam! 27 |             Err(E) => {
Sep 01 09:50:05.954 INFO kablam!    |                 ^
Sep 01 09:50:05.954 INFO kablam! 
Sep 01 09:50:05.994 INFO kablam! warning: unused variable: `E`
Sep 01 09:50:05.994 INFO kablam!   --> src/main.rs:27:17
Sep 01 09:50:05.994 INFO kablam!    |
Sep 01 09:50:05.995 INFO kablam! 27 |             Err(E) => {
Sep 01 09:50:05.995 INFO kablam!    |                 ^ help: consider using `_E` instead
Sep 01 09:50:05.995 INFO kablam!    |
Sep 01 09:50:05.995 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 09:50:05.995 INFO kablam! 
Sep 01 09:50:06.050 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:50:06.050 INFO kablam!   --> src/tags.rs:48:13
Sep 01 09:50:06.050 INFO kablam!    |
Sep 01 09:50:06.050 INFO kablam! 48 |         let mut versions = self.get_tags().versions();
Sep 01 09:50:06.050 INFO kablam!    |             ----^^^^^^^^
Sep 01 09:50:06.050 INFO kablam!    |             |
Sep 01 09:50:06.050 INFO kablam!    |             help: remove this `mut`
Sep 01 09:50:06.050 INFO kablam!    |
Sep 01 09:50:06.050 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 09:50:06.050 INFO kablam! 
Sep 01 09:50:06.054 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:50:06.055 INFO kablam!   --> src/tags.rs:84:13
Sep 01 09:50:06.055 INFO kablam!    |
Sep 01 09:50:06.055 INFO kablam! 84 |         let mut val;
Sep 01 09:50:06.055 INFO kablam!    |             ----^^^
Sep 01 09:50:06.055 INFO kablam!    |             |
Sep 01 09:50:06.055 INFO kablam!    |             help: remove this `mut`
Sep 01 09:50:06.055 INFO kablam! 
Sep 01 09:50:06.057 INFO kablam! warning: variable does not need to be mutable
Sep 01 09:50:06.058 INFO kablam!   --> src/tags.rs:97:13
Sep 01 09:50:06.058 INFO kablam!    |
Sep 01 09:50:06.058 INFO kablam! 97 |         let mut obj;
Sep 01 09:50:06.058 INFO kablam!    |             ----^^^
Sep 01 09:50:06.058 INFO kablam!    |             |
Sep 01 09:50:06.058 INFO kablam!    |             help: remove this `mut`
Sep 01 09:50:06.058 INFO kablam! 
Sep 01 09:50:06.059 INFO kablam! warning: method is never used: `iter`
Sep 01 09:50:06.059 INFO kablam!    --> src/tags.rs:105:5
Sep 01 09:50:06.059 INFO kablam!     |
Sep 01 09:50:06.059 INFO kablam! 105 |     pub fn iter(&self) -> Iter<Version>{
Sep 01 09:50:06.059 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:50:06.059 INFO kablam!     |
Sep 01 09:50:06.059 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 01 09:50:06.059 INFO kablam! 
Sep 01 09:50:06.062 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 01 09:50:06.063 INFO kablam!   --> src/tags.rs:79:17
Sep 01 09:50:06.063 INFO kablam!    |
Sep 01 09:50:06.063 INFO kablam! 79 |             Err(E) => Err(E)
Sep 01 09:50:06.063 INFO kablam!    |                 ^
Sep 01 09:50:06.063 INFO kablam!    |
Sep 01 09:50:06.063 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Sep 01 09:50:06.063 INFO kablam! 
Sep 01 09:50:06.063 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 09:50:06.063 INFO kablam!   --> src/main.rs:25:17
Sep 01 09:50:06.063 INFO kablam!    |
Sep 01 09:50:06.063 INFO kablam! 25 |                 release.make_release(vtype);
Sep 01 09:50:06.063 INFO kablam!    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 09:50:06.063 INFO kablam!    |
Sep 01 09:50:06.063 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 09:50:06.063 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 09:50:06.063 INFO kablam! 
Sep 01 09:50:06.064 INFO kablam! warning: variable `E` should have a snake case name such as `e`
Sep 01 09:50:06.064 INFO kablam!   --> src/main.rs:27:17
Sep 01 09:50:06.064 INFO kablam!    |
Sep 01 09:50:06.064 INFO kablam! 27 |             Err(E) => {
Sep 01 09:50:06.064 INFO kablam!    |                 ^
Sep 01 09:50:06.064 INFO kablam! 
Sep 01 09:50:06.085 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Sep 01 09:50:06.095 INFO kablam! su: No module specific data is present
Sep 01 09:50:06.678 INFO running `"docker" "rm" "-f" "95e39f25d589a0a634c755793363a05d89f1fb727c999c098945b5f18b747f9d"`
Sep 01 09:50:06.820 INFO blam! 95e39f25d589a0a634c755793363a05d89f1fb727c999c098945b5f18b747f9d