Sep 21 05:37:33.684 INFO checking podstats-0.1.2 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 05:37:33.684 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 05:37:33.684 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 05:37:33.897 INFO blam! 438f8efb1a1eace0cb55826f7dcd911a25303b7dfc55dbe59f865d7d8707bd99
Sep 21 05:37:33.899 INFO running `"docker" "start" "-a" "438f8efb1a1eace0cb55826f7dcd911a25303b7dfc55dbe59f865d7d8707bd99"`
Sep 21 05:37:34.765 INFO kablam! usermod: no changes
Sep 21 05:37:34.890 INFO kablam!     Checking rmp v0.8.7
Sep 21 05:37:35.615 INFO kablam!     Checking rmp-serde v0.13.7
Sep 21 05:37:36.462 INFO kablam!     Checking podstats v0.1.2 (/source)
Sep 21 05:37:37.082 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 05:37:37.082 INFO kablam!  --> src/lib.rs:3:1
Sep 21 05:37:37.082 INFO kablam!   |
Sep 21 05:37:37.082 INFO kablam! 3 | #[macro_use]
Sep 21 05:37:37.082 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 05:37:37.082 INFO kablam!   |
Sep 21 05:37:37.082 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:37:37.082 INFO kablam! 
Sep 21 05:37:37.082 INFO kablam! warning: unused import: `std::fs`
Sep 21 05:37:37.082 INFO kablam!  --> src/subscription.rs:7:5
Sep 21 05:37:37.082 INFO kablam!   |
Sep 21 05:37:37.082 INFO kablam! 7 | use std::fs;
Sep 21 05:37:37.082 INFO kablam!   |     ^^^^^^^
Sep 21 05:37:37.082 INFO kablam! 
Sep 21 05:37:37.122 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 05:37:37.122 INFO kablam!  --> src/lib.rs:3:1
Sep 21 05:37:37.122 INFO kablam!   |
Sep 21 05:37:37.122 INFO kablam! 3 | #[macro_use]
Sep 21 05:37:37.122 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 05:37:37.122 INFO kablam!   |
Sep 21 05:37:37.122 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:37:37.122 INFO kablam! 
Sep 21 05:37:37.406 INFO kablam! warning: unused variable: `bytes`
Sep 21 05:37:37.406 INFO kablam!    --> src/config.rs:166:9
Sep 21 05:37:37.406 INFO kablam!     |
Sep 21 05:37:37.406 INFO kablam! 166 |     let bytes = match res {
Sep 21 05:37:37.406 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 21 05:37:37.406 INFO kablam!     |
Sep 21 05:37:37.406 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 05:37:37.406 INFO kablam! 
Sep 21 05:37:37.499 INFO kablam! warning: unused variable: `bytes`
Sep 21 05:37:37.499 INFO kablam!    --> src/config.rs:166:9
Sep 21 05:37:37.499 INFO kablam!     |
Sep 21 05:37:37.499 INFO kablam! 166 |     let bytes = match res {
Sep 21 05:37:37.499 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 21 05:37:37.499 INFO kablam!     |
Sep 21 05:37:37.499 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 05:37:37.499 INFO kablam! 
Sep 21 05:37:37.522 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:37.522 INFO kablam!    --> src/config.rs:149:9
Sep 21 05:37:37.522 INFO kablam!     |
Sep 21 05:37:37.522 INFO kablam! 149 |         file.write_all(b"");
Sep 21 05:37:37.522 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:37.522 INFO kablam!     |
Sep 21 05:37:37.522 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 05:37:37.522 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:37.522 INFO kablam! 
Sep 21 05:37:37.522 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:37.522 INFO kablam!    --> src/config.rs:171:5
Sep 21 05:37:37.522 INFO kablam!     |
Sep 21 05:37:37.522 INFO kablam! 171 |     file.flush();
Sep 21 05:37:37.522 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 21 05:37:37.522 INFO kablam!     |
Sep 21 05:37:37.522 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:37.522 INFO kablam! 
Sep 21 05:37:37.626 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:37.626 INFO kablam!    --> src/config.rs:149:9
Sep 21 05:37:37.626 INFO kablam!     |
Sep 21 05:37:37.626 INFO kablam! 149 |         file.write_all(b"");
Sep 21 05:37:37.626 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:37.626 INFO kablam!     |
Sep 21 05:37:37.626 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 05:37:37.626 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:37.626 INFO kablam! 
Sep 21 05:37:37.626 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:37.626 INFO kablam!    --> src/config.rs:171:5
Sep 21 05:37:37.626 INFO kablam!     |
Sep 21 05:37:37.626 INFO kablam! 171 |     file.flush();
Sep 21 05:37:37.626 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 21 05:37:37.626 INFO kablam!     |
Sep 21 05:37:37.626 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:37.626 INFO kablam! 
Sep 21 05:37:37.630 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:37.630 INFO kablam!    --> src/config.rs:229:9
Sep 21 05:37:37.630 INFO kablam!     |
Sep 21 05:37:37.630 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 21 05:37:37.630 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:37.630 INFO kablam!     |
Sep 21 05:37:37.630 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:37.630 INFO kablam! 
Sep 21 05:37:37.636 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:37.636 INFO kablam!    --> src/subscription.rs:208:5
Sep 21 05:37:37.636 INFO kablam!     |
Sep 21 05:37:37.636 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 21 05:37:37.636 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:37.636 INFO kablam!     |
Sep 21 05:37:37.636 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:37.636 INFO kablam! 
Sep 21 05:37:38.410 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 05:37:38.410 INFO kablam!  --> src/main.rs:3:1
Sep 21 05:37:38.410 INFO kablam!   |
Sep 21 05:37:38.410 INFO kablam! 3 | #[macro_use]
Sep 21 05:37:38.410 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 05:37:38.410 INFO kablam!   |
Sep 21 05:37:38.410 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:37:38.410 INFO kablam! 
Sep 21 05:37:38.410 INFO kablam! warning: unused import: `SubCommand`
Sep 21 05:37:38.410 INFO kablam!  --> src/main.rs:8:22
Sep 21 05:37:38.410 INFO kablam!   |
Sep 21 05:37:38.410 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 21 05:37:38.410 INFO kablam!   |                      ^^^^^^^^^^
Sep 21 05:37:38.411 INFO kablam! 
Sep 21 05:37:38.411 INFO kablam! warning: unused import: `std::fs`
Sep 21 05:37:38.411 INFO kablam!  --> src/subscription.rs:7:5
Sep 21 05:37:38.411 INFO kablam!   |
Sep 21 05:37:38.411 INFO kablam! 7 | use std::fs;
Sep 21 05:37:38.411 INFO kablam!   |     ^^^^^^^
Sep 21 05:37:38.411 INFO kablam! 
Sep 21 05:37:38.486 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 05:37:38.487 INFO kablam!  --> src/main.rs:3:1
Sep 21 05:37:38.487 INFO kablam!   |
Sep 21 05:37:38.487 INFO kablam! 3 | #[macro_use]
Sep 21 05:37:38.488 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 05:37:38.488 INFO kablam!   |
Sep 21 05:37:38.489 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 05:37:38.489 INFO kablam! 
Sep 21 05:37:38.489 INFO kablam! warning: unused import: `SubCommand`
Sep 21 05:37:38.490 INFO kablam!  --> src/main.rs:8:22
Sep 21 05:37:38.490 INFO kablam!   |
Sep 21 05:37:38.491 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 21 05:37:38.491 INFO kablam!   |                      ^^^^^^^^^^
Sep 21 05:37:38.491 INFO kablam! 
Sep 21 05:37:38.818 INFO kablam! warning: unused variable: `bytes`
Sep 21 05:37:38.818 INFO kablam!    --> src/config.rs:166:9
Sep 21 05:37:38.818 INFO kablam!     |
Sep 21 05:37:38.818 INFO kablam! 166 |     let bytes = match res {
Sep 21 05:37:38.818 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 21 05:37:38.818 INFO kablam!     |
Sep 21 05:37:38.818 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 05:37:38.818 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: function is never used: `read_config`
Sep 21 05:37:38.974 INFO kablam!   --> src/config.rs:89:1
Sep 21 05:37:38.974 INFO kablam!    |
Sep 21 05:37:38.974 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 21 05:37:38.974 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.974 INFO kablam!    |
Sep 21 05:37:38.974 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 05:37:38.974 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: function is never used: `write_config`
Sep 21 05:37:38.974 INFO kablam!    --> src/config.rs:123:1
Sep 21 05:37:38.974 INFO kablam!     |
Sep 21 05:37:38.974 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 21 05:37:38.974 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.974 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: method is never used: `new`
Sep 21 05:37:38.974 INFO kablam!   --> src/subscription.rs:24:5
Sep 21 05:37:38.974 INFO kablam!    |
Sep 21 05:37:38.974 INFO kablam! 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
Sep 21 05:37:38.974 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.974 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: function is never used: `vec_serialize`
Sep 21 05:37:38.974 INFO kablam!   --> src/subscription.rs:54:1
Sep 21 05:37:38.974 INFO kablam!    |
Sep 21 05:37:38.974 INFO kablam! 54 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
Sep 21 05:37:38.974 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.974 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: function is never used: `serialize`
Sep 21 05:37:38.974 INFO kablam!   --> src/subscription.rs:63:1
Sep 21 05:37:38.974 INFO kablam!    |
Sep 21 05:37:38.974 INFO kablam! 63 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
Sep 21 05:37:38.974 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.974 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: function is never used: `deserialize`
Sep 21 05:37:38.974 INFO kablam!   --> src/subscription.rs:72:1
Sep 21 05:37:38.974 INFO kablam!    |
Sep 21 05:37:38.974 INFO kablam! 72 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
Sep 21 05:37:38.974 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.974 INFO kablam! 
Sep 21 05:37:38.974 INFO kablam! warning: function is never used: `process_directory`
Sep 21 05:37:38.975 INFO kablam!    --> src/subscription.rs:116:1
Sep 21 05:37:38.975 INFO kablam!     |
Sep 21 05:37:38.975 INFO kablam! 116 | fn process_directory(directory: Option<&str>) -> String {
Sep 21 05:37:38.975 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.975 INFO kablam! 
Sep 21 05:37:38.975 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:38.975 INFO kablam!    --> src/config.rs:149:9
Sep 21 05:37:38.975 INFO kablam!     |
Sep 21 05:37:38.975 INFO kablam! 149 |         file.write_all(b"");
Sep 21 05:37:38.975 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:38.975 INFO kablam!     |
Sep 21 05:37:38.975 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 05:37:38.975 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:38.975 INFO kablam! 
Sep 21 05:37:38.975 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:38.975 INFO kablam!    --> src/config.rs:171:5
Sep 21 05:37:38.975 INFO kablam!     |
Sep 21 05:37:38.975 INFO kablam! 171 |     file.flush();
Sep 21 05:37:38.975 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 21 05:37:38.975 INFO kablam!     |
Sep 21 05:37:38.975 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:38.975 INFO kablam! 
Sep 21 05:37:39.066 INFO kablam! warning: unused variable: `bytes`
Sep 21 05:37:39.066 INFO kablam!    --> src/config.rs:166:9
Sep 21 05:37:39.066 INFO kablam!     |
Sep 21 05:37:39.066 INFO kablam! 166 |     let bytes = match res {
Sep 21 05:37:39.066 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 21 05:37:39.066 INFO kablam!     |
Sep 21 05:37:39.066 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 05:37:39.066 INFO kablam! 
Sep 21 05:37:39.209 INFO kablam! warning: function is never used: `read_config`
Sep 21 05:37:39.209 INFO kablam!   --> src/config.rs:89:1
Sep 21 05:37:39.209 INFO kablam!    |
Sep 21 05:37:39.209 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 21 05:37:39.209 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:39.209 INFO kablam!    |
Sep 21 05:37:39.209 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 21 05:37:39.209 INFO kablam! 
Sep 21 05:37:39.209 INFO kablam! warning: function is never used: `write_config`
Sep 21 05:37:39.209 INFO kablam!    --> src/config.rs:123:1
Sep 21 05:37:39.209 INFO kablam!     |
Sep 21 05:37:39.209 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 21 05:37:39.209 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:39.209 INFO kablam! 
Sep 21 05:37:39.210 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:39.210 INFO kablam!    --> src/config.rs:149:9
Sep 21 05:37:39.210 INFO kablam!     |
Sep 21 05:37:39.210 INFO kablam! 149 |         file.write_all(b"");
Sep 21 05:37:39.210 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:39.210 INFO kablam!     |
Sep 21 05:37:39.210 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 05:37:39.210 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:39.210 INFO kablam! 
Sep 21 05:37:39.210 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:39.210 INFO kablam!    --> src/config.rs:171:5
Sep 21 05:37:39.210 INFO kablam!     |
Sep 21 05:37:39.210 INFO kablam! 171 |     file.flush();
Sep 21 05:37:39.210 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 21 05:37:39.210 INFO kablam!     |
Sep 21 05:37:39.210 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:39.210 INFO kablam! 
Sep 21 05:37:39.210 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:39.210 INFO kablam!    --> src/config.rs:229:9
Sep 21 05:37:39.210 INFO kablam!     |
Sep 21 05:37:39.210 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 21 05:37:39.210 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:39.210 INFO kablam!     |
Sep 21 05:37:39.210 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:39.210 INFO kablam! 
Sep 21 05:37:39.223 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 05:37:39.223 INFO kablam!    --> src/subscription.rs:208:5
Sep 21 05:37:39.223 INFO kablam!     |
Sep 21 05:37:39.223 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 21 05:37:39.223 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 05:37:39.223 INFO kablam!     |
Sep 21 05:37:39.223 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 05:37:39.223 INFO kablam! 
Sep 21 05:37:39.283 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
Sep 21 05:37:39.322 INFO kablam! su: No module specific data is present
Sep 21 05:37:40.003 INFO running `"docker" "rm" "-f" "438f8efb1a1eace0cb55826f7dcd911a25303b7dfc55dbe59f865d7d8707bd99"`
Sep 21 05:37:40.117 INFO blam! 438f8efb1a1eace0cb55826f7dcd911a25303b7dfc55dbe59f865d7d8707bd99