Sep 01 11:12:11.434 INFO checking podstats-0.1.2 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 11:12:11.435 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 11:12:11.435 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 11:12:11.563 INFO blam! e44f9585fc23a6c8b2557ad3903f49c618a0db77d36b3cfb5ebcc768980ff353
Sep 01 11:12:11.565 INFO running `"docker" "start" "-a" "e44f9585fc23a6c8b2557ad3903f49c618a0db77d36b3cfb5ebcc768980ff353"`
Sep 01 11:12:12.461 INFO kablam!     Checking podstats v0.1.2 (file:///source)
Sep 01 11:12:13.277 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 11:12:13.277 INFO kablam!  --> src/lib.rs:3:1
Sep 01 11:12:13.277 INFO kablam!   |
Sep 01 11:12:13.277 INFO kablam! 3 | #[macro_use]
Sep 01 11:12:13.277 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 11:12:13.277 INFO kablam!   |
Sep 01 11:12:13.277 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 11:12:13.277 INFO kablam! 
Sep 01 11:12:13.278 INFO kablam! warning: unused import: `std::fs`
Sep 01 11:12:13.278 INFO kablam!  --> src/subscription.rs:7:5
Sep 01 11:12:13.278 INFO kablam!   |
Sep 01 11:12:13.278 INFO kablam! 7 | use std::fs;
Sep 01 11:12:13.278 INFO kablam!   |     ^^^^^^^
Sep 01 11:12:13.278 INFO kablam! 
Sep 01 11:12:13.340 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 11:12:13.340 INFO kablam!  --> src/lib.rs:3:1
Sep 01 11:12:13.340 INFO kablam!   |
Sep 01 11:12:13.340 INFO kablam! 3 | #[macro_use]
Sep 01 11:12:13.340 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 11:12:13.340 INFO kablam!   |
Sep 01 11:12:13.340 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 11:12:13.340 INFO kablam! 
Sep 01 11:12:13.944 INFO kablam! warning: unused variable: `bytes`
Sep 01 11:12:13.944 INFO kablam!    --> src/config.rs:166:9
Sep 01 11:12:13.944 INFO kablam!     |
Sep 01 11:12:13.944 INFO kablam! 166 |     let bytes = match res {
Sep 01 11:12:13.944 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 01 11:12:13.944 INFO kablam!     |
Sep 01 11:12:13.944 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 11:12:13.945 INFO kablam! 
Sep 01 11:12:14.154 INFO kablam! warning: unused variable: `bytes`
Sep 01 11:12:14.154 INFO kablam!    --> src/config.rs:166:9
Sep 01 11:12:14.154 INFO kablam!     |
Sep 01 11:12:14.154 INFO kablam! 166 |     let bytes = match res {
Sep 01 11:12:14.154 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 01 11:12:14.154 INFO kablam!     |
Sep 01 11:12:14.155 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 11:12:14.155 INFO kablam! 
Sep 01 11:12:14.181 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:14.181 INFO kablam!    --> src/config.rs:149:9
Sep 01 11:12:14.181 INFO kablam!     |
Sep 01 11:12:14.181 INFO kablam! 149 |         file.write_all(b"");
Sep 01 11:12:14.181 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:14.181 INFO kablam!     |
Sep 01 11:12:14.181 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 11:12:14.181 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:14.181 INFO kablam! 
Sep 01 11:12:14.182 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:14.182 INFO kablam!    --> src/config.rs:171:5
Sep 01 11:12:14.182 INFO kablam!     |
Sep 01 11:12:14.182 INFO kablam! 171 |     file.flush();
Sep 01 11:12:14.182 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 01 11:12:14.182 INFO kablam!     |
Sep 01 11:12:14.182 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:14.182 INFO kablam! 
Sep 01 11:12:14.529 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:14.529 INFO kablam!    --> src/config.rs:149:9
Sep 01 11:12:14.529 INFO kablam!     |
Sep 01 11:12:14.529 INFO kablam! 149 |         file.write_all(b"");
Sep 01 11:12:14.529 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:14.529 INFO kablam!     |
Sep 01 11:12:14.529 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 11:12:14.529 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:14.529 INFO kablam! 
Sep 01 11:12:14.530 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:14.530 INFO kablam!    --> src/config.rs:171:5
Sep 01 11:12:14.530 INFO kablam!     |
Sep 01 11:12:14.530 INFO kablam! 171 |     file.flush();
Sep 01 11:12:14.530 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 01 11:12:14.530 INFO kablam!     |
Sep 01 11:12:14.530 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:14.530 INFO kablam! 
Sep 01 11:12:14.530 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:14.530 INFO kablam!    --> src/config.rs:229:9
Sep 01 11:12:14.530 INFO kablam!     |
Sep 01 11:12:14.530 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 01 11:12:14.530 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:14.530 INFO kablam!     |
Sep 01 11:12:14.531 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:14.531 INFO kablam! 
Sep 01 11:12:14.565 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:14.565 INFO kablam!    --> src/subscription.rs:208:5
Sep 01 11:12:14.565 INFO kablam!     |
Sep 01 11:12:14.565 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 01 11:12:14.565 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:14.565 INFO kablam!     |
Sep 01 11:12:14.565 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:14.566 INFO kablam! 
Sep 01 11:12:15.638 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 11:12:15.638 INFO kablam!  --> src/main.rs:3:1
Sep 01 11:12:15.638 INFO kablam!   |
Sep 01 11:12:15.638 INFO kablam! 3 | #[macro_use]
Sep 01 11:12:15.638 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 11:12:15.638 INFO kablam!   |
Sep 01 11:12:15.638 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 11:12:15.638 INFO kablam! 
Sep 01 11:12:15.638 INFO kablam! warning: unused import: `SubCommand`
Sep 01 11:12:15.638 INFO kablam!  --> src/main.rs:8:22
Sep 01 11:12:15.638 INFO kablam!   |
Sep 01 11:12:15.638 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 01 11:12:15.638 INFO kablam!   |                      ^^^^^^^^^^
Sep 01 11:12:15.638 INFO kablam! 
Sep 01 11:12:15.639 INFO kablam! warning: unused import: `std::fs`
Sep 01 11:12:15.639 INFO kablam!  --> src/subscription.rs:7:5
Sep 01 11:12:15.639 INFO kablam!   |
Sep 01 11:12:15.639 INFO kablam! 7 | use std::fs;
Sep 01 11:12:15.639 INFO kablam!   |     ^^^^^^^
Sep 01 11:12:15.639 INFO kablam! 
Sep 01 11:12:15.912 INFO kablam! warning: unused `#[macro_use]` import
Sep 01 11:12:15.912 INFO kablam!  --> src/main.rs:3:1
Sep 01 11:12:15.912 INFO kablam!   |
Sep 01 11:12:15.912 INFO kablam! 3 | #[macro_use]
Sep 01 11:12:15.912 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 11:12:15.912 INFO kablam!   |
Sep 01 11:12:15.912 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 11:12:15.912 INFO kablam! 
Sep 01 11:12:15.912 INFO kablam! warning: unused import: `SubCommand`
Sep 01 11:12:15.913 INFO kablam!  --> src/main.rs:8:22
Sep 01 11:12:15.913 INFO kablam!   |
Sep 01 11:12:15.913 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 01 11:12:15.913 INFO kablam!   |                      ^^^^^^^^^^
Sep 01 11:12:15.913 INFO kablam! 
Sep 01 11:12:16.346 INFO kablam! warning: unused variable: `bytes`
Sep 01 11:12:16.346 INFO kablam!    --> src/config.rs:166:9
Sep 01 11:12:16.346 INFO kablam!     |
Sep 01 11:12:16.346 INFO kablam! 166 |     let bytes = match res {
Sep 01 11:12:16.346 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 01 11:12:16.347 INFO kablam!     |
Sep 01 11:12:16.347 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 11:12:16.347 INFO kablam! 
Sep 01 11:12:16.591 INFO kablam! warning: function is never used: `read_config`
Sep 01 11:12:16.591 INFO kablam!   --> src/config.rs:89:1
Sep 01 11:12:16.591 INFO kablam!    |
Sep 01 11:12:16.591 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 01 11:12:16.591 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.591 INFO kablam!    |
Sep 01 11:12:16.591 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 11:12:16.591 INFO kablam! 
Sep 01 11:12:16.591 INFO kablam! warning: function is never used: `write_config`
Sep 01 11:12:16.591 INFO kablam!    --> src/config.rs:123:1
Sep 01 11:12:16.591 INFO kablam!     |
Sep 01 11:12:16.591 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 01 11:12:16.591 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.591 INFO kablam! 
Sep 01 11:12:16.591 INFO kablam! warning: method is never used: `new`
Sep 01 11:12:16.591 INFO kablam!   --> src/subscription.rs:24:5
Sep 01 11:12:16.591 INFO kablam!    |
Sep 01 11:12:16.591 INFO kablam! 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
Sep 01 11:12:16.591 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.591 INFO kablam! 
Sep 01 11:12:16.592 INFO kablam! warning: function is never used: `vec_serialize`
Sep 01 11:12:16.592 INFO kablam!   --> src/subscription.rs:54:1
Sep 01 11:12:16.592 INFO kablam!    |
Sep 01 11:12:16.592 INFO kablam! 54 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
Sep 01 11:12:16.592 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.592 INFO kablam! 
Sep 01 11:12:16.592 INFO kablam! warning: function is never used: `serialize`
Sep 01 11:12:16.592 INFO kablam!   --> src/subscription.rs:63:1
Sep 01 11:12:16.592 INFO kablam!    |
Sep 01 11:12:16.592 INFO kablam! 63 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
Sep 01 11:12:16.592 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.592 INFO kablam! 
Sep 01 11:12:16.592 INFO kablam! warning: function is never used: `deserialize`
Sep 01 11:12:16.592 INFO kablam!   --> src/subscription.rs:72:1
Sep 01 11:12:16.592 INFO kablam!    |
Sep 01 11:12:16.592 INFO kablam! 72 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
Sep 01 11:12:16.592 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.592 INFO kablam! 
Sep 01 11:12:16.592 INFO kablam! warning: function is never used: `process_directory`
Sep 01 11:12:16.592 INFO kablam!    --> src/subscription.rs:116:1
Sep 01 11:12:16.592 INFO kablam!     |
Sep 01 11:12:16.592 INFO kablam! 116 | fn process_directory(directory: Option<&str>) -> String {
Sep 01 11:12:16.592 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.592 INFO kablam! 
Sep 01 11:12:16.595 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:16.595 INFO kablam!    --> src/config.rs:149:9
Sep 01 11:12:16.595 INFO kablam!     |
Sep 01 11:12:16.595 INFO kablam! 149 |         file.write_all(b"");
Sep 01 11:12:16.595 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.595 INFO kablam!     |
Sep 01 11:12:16.595 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 11:12:16.595 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:16.595 INFO kablam! 
Sep 01 11:12:16.596 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:16.596 INFO kablam!    --> src/config.rs:171:5
Sep 01 11:12:16.596 INFO kablam!     |
Sep 01 11:12:16.596 INFO kablam! 171 |     file.flush();
Sep 01 11:12:16.596 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 01 11:12:16.596 INFO kablam!     |
Sep 01 11:12:16.596 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:16.596 INFO kablam! 
Sep 01 11:12:16.655 INFO kablam! warning: unused variable: `bytes`
Sep 01 11:12:16.655 INFO kablam!    --> src/config.rs:166:9
Sep 01 11:12:16.655 INFO kablam!     |
Sep 01 11:12:16.655 INFO kablam! 166 |     let bytes = match res {
Sep 01 11:12:16.655 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 01 11:12:16.655 INFO kablam!     |
Sep 01 11:12:16.655 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 11:12:16.655 INFO kablam! 
Sep 01 11:12:16.827 INFO kablam! warning: function is never used: `read_config`
Sep 01 11:12:16.827 INFO kablam!   --> src/config.rs:89:1
Sep 01 11:12:16.827 INFO kablam!    |
Sep 01 11:12:16.827 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 01 11:12:16.827 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.828 INFO kablam!    |
Sep 01 11:12:16.828 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 01 11:12:16.828 INFO kablam! 
Sep 01 11:12:16.828 INFO kablam! warning: function is never used: `write_config`
Sep 01 11:12:16.828 INFO kablam!    --> src/config.rs:123:1
Sep 01 11:12:16.828 INFO kablam!     |
Sep 01 11:12:16.828 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 01 11:12:16.828 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.828 INFO kablam! 
Sep 01 11:12:16.831 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:16.831 INFO kablam!    --> src/config.rs:149:9
Sep 01 11:12:16.831 INFO kablam!     |
Sep 01 11:12:16.831 INFO kablam! 149 |         file.write_all(b"");
Sep 01 11:12:16.831 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.831 INFO kablam!     |
Sep 01 11:12:16.831 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 11:12:16.831 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:16.831 INFO kablam! 
Sep 01 11:12:16.831 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:16.831 INFO kablam!    --> src/config.rs:171:5
Sep 01 11:12:16.831 INFO kablam!     |
Sep 01 11:12:16.831 INFO kablam! 171 |     file.flush();
Sep 01 11:12:16.831 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 01 11:12:16.831 INFO kablam!     |
Sep 01 11:12:16.831 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:16.832 INFO kablam! 
Sep 01 11:12:16.832 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:16.832 INFO kablam!    --> src/config.rs:229:9
Sep 01 11:12:16.832 INFO kablam!     |
Sep 01 11:12:16.832 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 01 11:12:16.832 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.832 INFO kablam!     |
Sep 01 11:12:16.832 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:16.832 INFO kablam! 
Sep 01 11:12:16.840 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 11:12:16.840 INFO kablam!    --> src/subscription.rs:208:5
Sep 01 11:12:16.840 INFO kablam!     |
Sep 01 11:12:16.840 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 01 11:12:16.840 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 11:12:16.840 INFO kablam!     |
Sep 01 11:12:16.840 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 11:12:16.840 INFO kablam! 
Sep 01 11:12:16.865 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
Sep 01 11:12:16.871 INFO kablam! su: No module specific data is present
Sep 01 11:12:17.494 INFO running `"docker" "rm" "-f" "e44f9585fc23a6c8b2557ad3903f49c618a0db77d36b3cfb5ebcc768980ff353"`
Sep 01 11:12:17.602 INFO blam! e44f9585fc23a6c8b2557ad3903f49c618a0db77d36b3cfb5ebcc768980ff353