Sep 10 12:50:48.094 INFO checking podstats-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:50:48.094 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:50:48.094 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/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 12:50:48.294 INFO blam! 4e78060fd81132385265437a225f275c5409fec32ca49dc58b2fcb93d5fab273
Sep 10 12:50:48.295 INFO running `"docker" "start" "-a" "4e78060fd81132385265437a225f275c5409fec32ca49dc58b2fcb93d5fab273"`
Sep 10 12:50:49.072 INFO kablam! usermod: no changes
Sep 10 12:50:49.159 INFO kablam!     Checking podstats v0.1.2 (file:///source)
Sep 10 12:50:49.596 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:49.596 INFO kablam!  --> src/lib.rs:3:1
Sep 10 12:50:49.596 INFO kablam!   |
Sep 10 12:50:49.596 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:49.596 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:49.596 INFO kablam!   |
Sep 10 12:50:49.596 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:49.596 INFO kablam! 
Sep 10 12:50:49.597 INFO kablam! warning: unused import: `std::fs`
Sep 10 12:50:49.597 INFO kablam!  --> src/subscription.rs:7:5
Sep 10 12:50:49.597 INFO kablam!   |
Sep 10 12:50:49.597 INFO kablam! 7 | use std::fs;
Sep 10 12:50:49.597 INFO kablam!   |     ^^^^^^^
Sep 10 12:50:49.597 INFO kablam! 
Sep 10 12:50:49.631 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:49.631 INFO kablam!  --> src/lib.rs:3:1
Sep 10 12:50:49.631 INFO kablam!   |
Sep 10 12:50:49.631 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:49.631 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:49.631 INFO kablam!   |
Sep 10 12:50:49.631 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:49.631 INFO kablam! 
Sep 10 12:50:49.928 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:49.928 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:49.928 INFO kablam!     |
Sep 10 12:50:49.928 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:49.928 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:49.928 INFO kablam!     |
Sep 10 12:50:49.928 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:49.928 INFO kablam! 
Sep 10 12:50:50.038 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.038 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:50.038 INFO kablam!     |
Sep 10 12:50:50.038 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:50.038 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.038 INFO kablam!     |
Sep 10 12:50:50.038 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:50.038 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.038 INFO kablam! 
Sep 10 12:50:50.038 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.038 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:50.038 INFO kablam!     |
Sep 10 12:50:50.038 INFO kablam! 171 |     file.flush();
Sep 10 12:50:50.038 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:50.038 INFO kablam!     |
Sep 10 12:50:50.038 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.038 INFO kablam! 
Sep 10 12:50:50.129 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:50.129 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:50.129 INFO kablam!     |
Sep 10 12:50:50.129 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:50.129 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:50.129 INFO kablam!     |
Sep 10 12:50:50.129 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:50.129 INFO kablam! 
Sep 10 12:50:50.278 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.278 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:50.278 INFO kablam!     |
Sep 10 12:50:50.278 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:50.278 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.278 INFO kablam!     |
Sep 10 12:50:50.278 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:50.278 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.278 INFO kablam! 
Sep 10 12:50:50.278 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.278 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:50.278 INFO kablam!     |
Sep 10 12:50:50.278 INFO kablam! 171 |     file.flush();
Sep 10 12:50:50.278 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:50.278 INFO kablam!     |
Sep 10 12:50:50.278 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.278 INFO kablam! 
Sep 10 12:50:50.278 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.278 INFO kablam!    --> src/config.rs:229:9
Sep 10 12:50:50.278 INFO kablam!     |
Sep 10 12:50:50.278 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 10 12:50:50.278 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.278 INFO kablam!     |
Sep 10 12:50:50.278 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.278 INFO kablam! 
Sep 10 12:50:50.284 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:50.284 INFO kablam!    --> src/subscription.rs:208:5
Sep 10 12:50:50.284 INFO kablam!     |
Sep 10 12:50:50.284 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 10 12:50:50.284 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:50.284 INFO kablam!     |
Sep 10 12:50:50.284 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:50.284 INFO kablam! 
Sep 10 12:50:50.780 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:50.780 INFO kablam!  --> src/main.rs:3:1
Sep 10 12:50:50.780 INFO kablam!   |
Sep 10 12:50:50.780 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:50.780 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:50.780 INFO kablam!   |
Sep 10 12:50:50.780 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:50.780 INFO kablam! 
Sep 10 12:50:50.780 INFO kablam! warning: unused import: `SubCommand`
Sep 10 12:50:50.780 INFO kablam!  --> src/main.rs:8:22
Sep 10 12:50:50.781 INFO kablam!   |
Sep 10 12:50:50.781 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 10 12:50:50.781 INFO kablam!   |                      ^^^^^^^^^^
Sep 10 12:50:50.781 INFO kablam! 
Sep 10 12:50:50.786 INFO kablam! warning: unused import: `std::fs`
Sep 10 12:50:50.786 INFO kablam!  --> src/subscription.rs:7:5
Sep 10 12:50:50.786 INFO kablam!   |
Sep 10 12:50:50.786 INFO kablam! 7 | use std::fs;
Sep 10 12:50:50.786 INFO kablam!   |     ^^^^^^^
Sep 10 12:50:50.786 INFO kablam! 
Sep 10 12:50:50.876 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 12:50:50.876 INFO kablam!  --> src/main.rs:3:1
Sep 10 12:50:50.876 INFO kablam!   |
Sep 10 12:50:50.876 INFO kablam! 3 | #[macro_use]
Sep 10 12:50:50.876 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 12:50:50.876 INFO kablam!   |
Sep 10 12:50:50.876 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 12:50:50.876 INFO kablam! 
Sep 10 12:50:50.877 INFO kablam! warning: unused import: `SubCommand`
Sep 10 12:50:50.877 INFO kablam!  --> src/main.rs:8:22
Sep 10 12:50:50.877 INFO kablam!   |
Sep 10 12:50:50.877 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Sep 10 12:50:50.877 INFO kablam!   |                      ^^^^^^^^^^
Sep 10 12:50:50.877 INFO kablam! 
Sep 10 12:50:51.154 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:51.154 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:51.154 INFO kablam!     |
Sep 10 12:50:51.154 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:51.154 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:51.154 INFO kablam!     |
Sep 10 12:50:51.154 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:51.154 INFO kablam! 
Sep 10 12:50:51.322 INFO kablam! warning: function is never used: `read_config`
Sep 10 12:50:51.322 INFO kablam!   --> src/config.rs:89:1
Sep 10 12:50:51.322 INFO kablam!    |
Sep 10 12:50:51.322 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 10 12:50:51.322 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.322 INFO kablam!    |
Sep 10 12:50:51.322 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 12:50:51.322 INFO kablam! 
Sep 10 12:50:51.322 INFO kablam! warning: function is never used: `write_config`
Sep 10 12:50:51.322 INFO kablam!    --> src/config.rs:123:1
Sep 10 12:50:51.322 INFO kablam!     |
Sep 10 12:50:51.322 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 10 12:50:51.322 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.322 INFO kablam! 
Sep 10 12:50:51.322 INFO kablam! warning: method is never used: `new`
Sep 10 12:50:51.322 INFO kablam!   --> src/subscription.rs:24:5
Sep 10 12:50:51.322 INFO kablam!    |
Sep 10 12:50:51.322 INFO kablam! 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
Sep 10 12:50:51.322 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.322 INFO kablam! 
Sep 10 12:50:51.322 INFO kablam! warning: function is never used: `vec_serialize`
Sep 10 12:50:51.322 INFO kablam!   --> src/subscription.rs:54:1
Sep 10 12:50:51.322 INFO kablam!    |
Sep 10 12:50:51.322 INFO kablam! 54 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
Sep 10 12:50:51.322 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.322 INFO kablam! 
Sep 10 12:50:51.322 INFO kablam! warning: function is never used: `serialize`
Sep 10 12:50:51.322 INFO kablam!   --> src/subscription.rs:63:1
Sep 10 12:50:51.322 INFO kablam!    |
Sep 10 12:50:51.322 INFO kablam! 63 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
Sep 10 12:50:51.322 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.322 INFO kablam! 
Sep 10 12:50:51.322 INFO kablam! warning: function is never used: `deserialize`
Sep 10 12:50:51.323 INFO kablam!   --> src/subscription.rs:72:1
Sep 10 12:50:51.323 INFO kablam!    |
Sep 10 12:50:51.323 INFO kablam! 72 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
Sep 10 12:50:51.323 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.323 INFO kablam! 
Sep 10 12:50:51.323 INFO kablam! warning: function is never used: `process_directory`
Sep 10 12:50:51.323 INFO kablam!    --> src/subscription.rs:116:1
Sep 10 12:50:51.323 INFO kablam!     |
Sep 10 12:50:51.323 INFO kablam! 116 | fn process_directory(directory: Option<&str>) -> String {
Sep 10 12:50:51.323 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.323 INFO kablam! 
Sep 10 12:50:51.334 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:51.334 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:51.334 INFO kablam!     |
Sep 10 12:50:51.334 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:51.334 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.334 INFO kablam!     |
Sep 10 12:50:51.334 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:51.334 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:51.334 INFO kablam! 
Sep 10 12:50:51.334 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:51.334 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:51.334 INFO kablam!     |
Sep 10 12:50:51.334 INFO kablam! 171 |     file.flush();
Sep 10 12:50:51.334 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:51.334 INFO kablam!     |
Sep 10 12:50:51.334 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:51.334 INFO kablam! 
Sep 10 12:50:51.393 INFO kablam! warning: unused variable: `bytes`
Sep 10 12:50:51.393 INFO kablam!    --> src/config.rs:166:9
Sep 10 12:50:51.393 INFO kablam!     |
Sep 10 12:50:51.393 INFO kablam! 166 |     let bytes = match res {
Sep 10 12:50:51.393 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Sep 10 12:50:51.393 INFO kablam!     |
Sep 10 12:50:51.393 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 12:50:51.393 INFO kablam! 
Sep 10 12:50:51.533 INFO kablam! warning: function is never used: `read_config`
Sep 10 12:50:51.533 INFO kablam!   --> src/config.rs:89:1
Sep 10 12:50:51.533 INFO kablam!    |
Sep 10 12:50:51.533 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Sep 10 12:50:51.533 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.533 INFO kablam!    |
Sep 10 12:50:51.533 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 12:50:51.533 INFO kablam! 
Sep 10 12:50:51.533 INFO kablam! warning: function is never used: `write_config`
Sep 10 12:50:51.533 INFO kablam!    --> src/config.rs:123:1
Sep 10 12:50:51.533 INFO kablam!     |
Sep 10 12:50:51.533 INFO kablam! 123 | pub fn write_config(config: Config) {
Sep 10 12:50:51.533 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.533 INFO kablam! 
Sep 10 12:50:51.536 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:51.536 INFO kablam!    --> src/config.rs:149:9
Sep 10 12:50:51.536 INFO kablam!     |
Sep 10 12:50:51.536 INFO kablam! 149 |         file.write_all(b"");
Sep 10 12:50:51.536 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.536 INFO kablam!     |
Sep 10 12:50:51.536 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 12:50:51.536 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:51.536 INFO kablam! 
Sep 10 12:50:51.536 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:51.536 INFO kablam!    --> src/config.rs:171:5
Sep 10 12:50:51.536 INFO kablam!     |
Sep 10 12:50:51.536 INFO kablam! 171 |     file.flush();
Sep 10 12:50:51.536 INFO kablam!     |     ^^^^^^^^^^^^^
Sep 10 12:50:51.536 INFO kablam!     |
Sep 10 12:50:51.536 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:51.536 INFO kablam! 
Sep 10 12:50:51.537 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:51.537 INFO kablam!    --> src/config.rs:229:9
Sep 10 12:50:51.537 INFO kablam!     |
Sep 10 12:50:51.537 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Sep 10 12:50:51.537 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.537 INFO kablam!     |
Sep 10 12:50:51.537 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:51.537 INFO kablam! 
Sep 10 12:50:51.546 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 12:50:51.546 INFO kablam!    --> src/subscription.rs:208:5
Sep 10 12:50:51.546 INFO kablam!     |
Sep 10 12:50:51.546 INFO kablam! 208 |     fs::remove_file(test_path);
Sep 10 12:50:51.546 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:50:51.546 INFO kablam!     |
Sep 10 12:50:51.546 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 12:50:51.546 INFO kablam! 
Sep 10 12:50:51.627 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
Sep 10 12:50:51.634 INFO kablam! su: No module specific data is present
Sep 10 12:50:52.632 INFO running `"docker" "rm" "-f" "4e78060fd81132385265437a225f275c5409fec32ca49dc58b2fcb93d5fab273"`
Sep 10 12:50:52.724 INFO blam! 4e78060fd81132385265437a225f275c5409fec32ca49dc58b2fcb93d5fab273