Sep 10 12:50:48.488 INFO checking podstats-0.1.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:50:48.488 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:50:48.489 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:50:48.696 INFO blam! fd9cfcdf36795d512f9111b52df50f76aebd45f67cfd878f11d66aa71d82812f
Sep 10 12:50:48.697 INFO running `"docker" "start" "-a" "fd9cfcdf36795d512f9111b52df50f76aebd45f67cfd878f11d66aa71d82812f"`
Sep 10 12:50:49.389 INFO kablam! usermod: no changes
Sep 10 12:50:49.475 INFO kablam!     Checking podstats v0.1.2 (file:///source)
Sep 10 12:50:50.165 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:50.165 INFO kablam!  --> src/lib.rs:3:1
Sep 10 12:50:50.165 INFO kablam!   |
Sep 10 12:50:50.165 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:50.165 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:50.165 INFO kablam!   |
Sep 10 12:50:50.166 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:50.166 INFO kablam! 
Sep 10 12:50:50.173 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:50.173 INFO kablam!  --> src/lib.rs:3:1
Sep 10 12:50:50.173 INFO kablam!   |
Sep 10 12:50:50.173 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:50.173 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:50.173 INFO kablam!   |
Sep 10 12:50:50.173 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:50.173 INFO kablam! 
Sep 10 12:50:50.178 INFO kablam! warning: unused import: `std::fs`
Sep 10 12:50:50.178 INFO kablam!  --> src/subscription.rs:7:5
Sep 10 12:50:50.178 INFO kablam!   |
Sep 10 12:50:50.178 INFO kablam! 7 | use std::fs;
Sep 10 12:50:50.178 INFO kablam!   |     ^^^^^^^
Sep 10 12:50:50.178 INFO kablam! 
Sep 10 12:50:50.510 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:50.510 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:50.510 INFO kablam!     |
Sep 10 12:50:50.510 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:50.510 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:50.510 INFO kablam!     |
Sep 10 12:50:50.510 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:50.510 INFO kablam! 
Sep 10 12:50:50.578 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:50.578 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:50.578 INFO kablam!     |
Sep 10 12:50:50.578 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:50.578 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:50.578 INFO kablam!     |
Sep 10 12:50:50.578 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:50.578 INFO kablam! 
Sep 10 12:50:50.636 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.636 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:50.636 INFO kablam!     |
Sep 10 12:50:50.636 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:50.636 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.642 INFO kablam!     |
Sep 10 12:50:50.642 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:50.642 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.642 INFO kablam! 
Sep 10 12:50:50.642 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.642 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:50.642 INFO kablam!     |
Sep 10 12:50:50.642 INFO kablam! 171 |     file.flush();
Sep 10 12:50:50.642 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:50.642 INFO kablam!     |
Sep 10 12:50:50.642 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.642 INFO kablam! 
Sep 10 12:50:50.706 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.706 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:50.706 INFO kablam!     |
Sep 10 12:50:50.706 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:50.706 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.706 INFO kablam!     |
Sep 10 12:50:50.706 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:50.706 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.706 INFO kablam! 
Sep 10 12:50:50.706 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.706 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:50.706 INFO kablam!     |
Sep 10 12:50:50.707 INFO kablam! 171 |     file.flush();
Sep 10 12:50:50.707 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:50.707 INFO kablam!     |
Sep 10 12:50:50.707 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.707 INFO kablam! 
Sep 10 12:50:50.707 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.707 INFO kablam!    --> src/config.rs:229:9
Sep 10 12:50:50.707 INFO kablam!     |
Sep 10 12:50:50.707 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 10 12:50:50.707 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.707 INFO kablam!     |
Sep 10 12:50:50.707 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.707 INFO kablam! 
Sep 10 12:50:50.721 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.721 INFO kablam!    --> src/subscription.rs:208:5
Sep 10 12:50:50.721 INFO kablam!     |
Sep 10 12:50:50.721 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 10 12:50:50.721 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.722 INFO kablam!     |
Sep 10 12:50:50.722 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.722 INFO kablam! 
Sep 10 12:50:51.545 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:51.545 INFO kablam!  --> src/main.rs:3:1
Sep 10 12:50:51.545 INFO kablam!   |
Sep 10 12:50:51.545 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:51.545 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:51.554 INFO kablam!   |
Sep 10 12:50:51.554 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:51.554 INFO kablam! 
Sep 10 12:50:51.554 INFO kablam! warning: unused import: `SubCommand`
Sep 10 12:50:51.554 INFO kablam!  --> src/main.rs:8:22
Sep 10 12:50:51.554 INFO kablam!   |
Sep 10 12:50:51.554 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 10 12:50:51.555 INFO kablam!   |                      ^^^^^^^^^^
Sep 10 12:50:51.555 INFO kablam! 
Sep 10 12:50:51.556 INFO kablam! warning: unused import: `std::fs`
Sep 10 12:50:51.556 INFO kablam!  --> src/subscription.rs:7:5
Sep 10 12:50:51.556 INFO kablam!   |
Sep 10 12:50:51.556 INFO kablam! 7 | use std::fs;
Sep 10 12:50:51.556 INFO kablam!   |     ^^^^^^^
Sep 10 12:50:51.556 INFO kablam! 
Sep 10 12:50:51.577 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:51.577 INFO kablam!  --> src/main.rs:3:1
Sep 10 12:50:51.577 INFO kablam!   |
Sep 10 12:50:51.577 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:51.577 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:51.577 INFO kablam!   |
Sep 10 12:50:51.577 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:51.577 INFO kablam! 
Sep 10 12:50:51.577 INFO kablam! warning: unused import: `SubCommand`
Sep 10 12:50:51.577 INFO kablam!  --> src/main.rs:8:22
Sep 10 12:50:51.577 INFO kablam!   |
Sep 10 12:50:51.577 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 10 12:50:51.577 INFO kablam!   |                      ^^^^^^^^^^
Sep 10 12:50:51.577 INFO kablam! 
Sep 10 12:50:52.166 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:52.166 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:52.166 INFO kablam!     |
Sep 10 12:50:52.166 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:52.166 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:52.166 INFO kablam!     |
Sep 10 12:50:52.166 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:52.166 INFO kablam! 
Sep 10 12:50:52.206 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:52.206 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:52.206 INFO kablam!     |
Sep 10 12:50:52.206 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:52.206 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:52.206 INFO kablam!     |
Sep 10 12:50:52.206 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:52.206 INFO kablam! 
Sep 10 12:50:52.396 INFO kablam! warning: function is never used: `read_config`
Sep 10 12:50:52.396 INFO kablam!   --> src/config.rs:89:1
Sep 10 12:50:52.396 INFO kablam!    |
Sep 10 12:50:52.396 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 10 12:50:52.396 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.397 INFO kablam!    |
Sep 10 12:50:52.397 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 12:50:52.397 INFO kablam! 
Sep 10 12:50:52.398 INFO kablam! warning: function is never used: `write_config`
Sep 10 12:50:52.398 INFO kablam!    --> src/config.rs:123:1
Sep 10 12:50:52.398 INFO kablam!     |
Sep 10 12:50:52.398 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 10 12:50:52.398 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.398 INFO kablam! 
Sep 10 12:50:52.402 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:52.402 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:52.402 INFO kablam!     |
Sep 10 12:50:52.402 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:52.402 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.402 INFO kablam!     |
Sep 10 12:50:52.402 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:52.403 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:52.403 INFO kablam! 
Sep 10 12:50:52.403 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:52.403 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:52.403 INFO kablam!     |
Sep 10 12:50:52.403 INFO kablam! 171 |     file.flush();
Sep 10 12:50:52.403 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:52.404 INFO kablam!     |
Sep 10 12:50:52.404 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:52.404 INFO kablam! 
Sep 10 12:50:52.405 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:52.405 INFO kablam!    --> src/config.rs:229:9
Sep 10 12:50:52.405 INFO kablam!     |
Sep 10 12:50:52.405 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 10 12:50:52.405 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.405 INFO kablam!     |
Sep 10 12:50:52.405 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:52.406 INFO kablam! warning: function is never used: `read_config`
Sep 10 12:50:52.406 INFO kablam!   --> src/config.rs:89:1
Sep 10 12:50:52.406 INFO kablam!    |
Sep 10 12:50:52.406 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 10 12:50:52.406 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.406 INFO kablam!    |
Sep 10 12:50:52.406 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 12:50:52.406 INFO kablam! 
Sep 10 12:50:52.406 INFO kablam! warning: function is never used: `write_config`
Sep 10 12:50:52.406 INFO kablam!    --> src/config.rs:123:1
Sep 10 12:50:52.406 INFO kablam!     |
Sep 10 12:50:52.406 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 10 12:50:52.406 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.406 INFO kablam! 
Sep 10 12:50:52.406 INFO kablam! warning: method is never used: `new`
Sep 10 12:50:52.406 INFO kablam!   --> src/subscription.rs:24:5
Sep 10 12:50:52.406 INFO kablam!    |
Sep 10 12:50:52.406 INFO kablam! 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
Sep 10 12:50:52.406 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.406 INFO kablam! 
Sep 10 12:50:52.406 INFO kablam! warning: function is never used: `vec_serialize`
Sep 10 12:50:52.406 INFO kablam!   --> src/subscription.rs:54:1
Sep 10 12:50:52.406 INFO kablam!    |
Sep 10 12:50:52.406 INFO kablam! 54 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
Sep 10 12:50:52.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.407 INFO kablam! 
Sep 10 12:50:52.407 INFO kablam! warning: function is never used: `serialize`
Sep 10 12:50:52.407 INFO kablam!   --> src/subscription.rs:63:1
Sep 10 12:50:52.407 INFO kablam!    |
Sep 10 12:50:52.407 INFO kablam! 63 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
Sep 10 12:50:52.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.407 INFO kablam! 
Sep 10 12:50:52.407 INFO kablam! warning: function is never used: `deserialize`
Sep 10 12:50:52.407 INFO kablam!   --> src/subscription.rs:72:1
Sep 10 12:50:52.407 INFO kablam!    |
Sep 10 12:50:52.407 INFO kablam! 72 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
Sep 10 12:50:52.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.407 INFO kablam! 
Sep 10 12:50:52.407 INFO kablam! warning: function is never used: `process_directory`
Sep 10 12:50:52.407 INFO kablam!    --> src/subscription.rs:116:1
Sep 10 12:50:52.407 INFO kablam!     |
Sep 10 12:50:52.407 INFO kablam! 116 | fn process_directory(directory: Option<&str>) -> String {
Sep 10 12:50:52.407 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.407 INFO kablam! 
Sep 10 12:50:52.408 INFO kablam! 
Sep 10 12:50:52.409 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:52.409 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:52.409 INFO kablam!     |
Sep 10 12:50:52.409 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:52.409 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.409 INFO kablam!     |
Sep 10 12:50:52.409 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:52.409 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:52.409 INFO kablam! 
Sep 10 12:50:52.410 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:52.410 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:52.410 INFO kablam!     |
Sep 10 12:50:52.410 INFO kablam! 171 |     file.flush();
Sep 10 12:50:52.410 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:52.410 INFO kablam!     |
Sep 10 12:50:52.410 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:52.410 INFO kablam! 
Sep 10 12:50:52.431 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:52.431 INFO kablam!    --> src/subscription.rs:208:5
Sep 10 12:50:52.431 INFO kablam!     |
Sep 10 12:50:52.431 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 10 12:50:52.431 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:52.431 INFO kablam!     |
Sep 10 12:50:52.431 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:52.431 INFO kablam! 
Sep 10 12:50:52.468 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
Sep 10 12:50:52.476 INFO kablam! su: No module specific data is present
Sep 10 12:50:52.978 INFO running `"docker" "rm" "-f" "fd9cfcdf36795d512f9111b52df50f76aebd45f67cfd878f11d66aa71d82812f"`
Sep 10 12:50:53.063 INFO blam! fd9cfcdf36795d512f9111b52df50f76aebd45f67cfd878f11d66aa71d82812f