Oct 13 10:48:33.277 INFO checking podstats-0.1.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 10:48:33.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 10:48:33.873 INFO blam! aad55fee27faf60078a5e8f8dba4f826993fd21051078b7cffe6fc98a1256af4
Oct 13 10:48:33.882 INFO running `"docker" "start" "-a" "aad55fee27faf60078a5e8f8dba4f826993fd21051078b7cffe6fc98a1256af4"`
Oct 13 10:48:34.898 INFO kablam! usermod: no changes
Oct 13 10:48:35.091 INFO kablam!     Checking podstats v0.1.2 (/source)
Oct 13 10:48:36.668 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 10:48:36.668 INFO kablam!  --> src/lib.rs:3:1
Oct 13 10:48:36.668 INFO kablam!   |
Oct 13 10:48:36.668 INFO kablam! 3 | #[macro_use]
Oct 13 10:48:36.668 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 10:48:36.668 INFO kablam!   |
Oct 13 10:48:36.668 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 10:48:36.668 INFO kablam! 
Oct 13 10:48:36.668 INFO kablam! warning: unused import: `std::fs`
Oct 13 10:48:36.668 INFO kablam!  --> src/subscription.rs:7:5
Oct 13 10:48:36.668 INFO kablam!   |
Oct 13 10:48:36.668 INFO kablam! 7 | use std::fs;
Oct 13 10:48:36.668 INFO kablam!   |     ^^^^^^^
Oct 13 10:48:36.668 INFO kablam! 
Oct 13 10:48:36.999 INFO kablam! warning: unused variable: `bytes`
Oct 13 10:48:37.000 INFO kablam!    --> src/config.rs:166:9
Oct 13 10:48:37.000 INFO kablam!     |
Oct 13 10:48:37.000 INFO kablam! 166 |     let bytes = match res {
Oct 13 10:48:37.001 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Oct 13 10:48:37.001 INFO kablam!     |
Oct 13 10:48:37.001 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 10:48:37.001 INFO kablam! 
Oct 13 10:48:37.112 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:37.113 INFO kablam!    --> src/config.rs:149:9
Oct 13 10:48:37.113 INFO kablam!     |
Oct 13 10:48:37.113 INFO kablam! 149 |         file.write_all(b"");
Oct 13 10:48:37.113 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:37.114 INFO kablam!     |
Oct 13 10:48:37.114 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 10:48:37.114 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:37.114 INFO kablam! 
Oct 13 10:48:37.115 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:37.115 INFO kablam!    --> src/config.rs:171:5
Oct 13 10:48:37.115 INFO kablam!     |
Oct 13 10:48:37.115 INFO kablam! 171 |     file.flush();
Oct 13 10:48:37.115 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 13 10:48:37.115 INFO kablam!     |
Oct 13 10:48:37.116 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:37.116 INFO kablam! 
Oct 13 10:48:37.198 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 10:48:37.198 INFO kablam!  --> src/lib.rs:3:1
Oct 13 10:48:37.198 INFO kablam!   |
Oct 13 10:48:37.198 INFO kablam! 3 | #[macro_use]
Oct 13 10:48:37.198 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 10:48:37.198 INFO kablam!   |
Oct 13 10:48:37.198 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 10:48:37.198 INFO kablam! 
Oct 13 10:48:38.076 INFO kablam! warning: unused variable: `bytes`
Oct 13 10:48:38.076 INFO kablam!    --> src/config.rs:166:9
Oct 13 10:48:38.076 INFO kablam!     |
Oct 13 10:48:38.076 INFO kablam! 166 |     let bytes = match res {
Oct 13 10:48:38.076 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Oct 13 10:48:38.076 INFO kablam!     |
Oct 13 10:48:38.076 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 10:48:38.076 INFO kablam! 
Oct 13 10:48:38.280 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:38.280 INFO kablam!    --> src/config.rs:149:9
Oct 13 10:48:38.280 INFO kablam!     |
Oct 13 10:48:38.280 INFO kablam! 149 |         file.write_all(b"");
Oct 13 10:48:38.280 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:38.280 INFO kablam!     |
Oct 13 10:48:38.280 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 10:48:38.280 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:38.281 INFO kablam! 
Oct 13 10:48:38.281 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:38.281 INFO kablam!    --> src/config.rs:171:5
Oct 13 10:48:38.281 INFO kablam!     |
Oct 13 10:48:38.281 INFO kablam! 171 |     file.flush();
Oct 13 10:48:38.281 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 13 10:48:38.281 INFO kablam!     |
Oct 13 10:48:38.281 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:38.281 INFO kablam! 
Oct 13 10:48:38.281 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:38.281 INFO kablam!    --> src/config.rs:229:9
Oct 13 10:48:38.281 INFO kablam!     |
Oct 13 10:48:38.281 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Oct 13 10:48:38.281 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:38.281 INFO kablam!     |
Oct 13 10:48:38.281 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:38.281 INFO kablam! 
Oct 13 10:48:38.308 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:38.308 INFO kablam!    --> src/subscription.rs:208:5
Oct 13 10:48:38.308 INFO kablam!     |
Oct 13 10:48:38.308 INFO kablam! 208 |     fs::remove_file(test_path);
Oct 13 10:48:38.308 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:38.308 INFO kablam!     |
Oct 13 10:48:38.308 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:38.308 INFO kablam! 
Oct 13 10:48:39.360 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 10:48:39.360 INFO kablam!  --> src/main.rs:3:1
Oct 13 10:48:39.360 INFO kablam!   |
Oct 13 10:48:39.360 INFO kablam! 3 | #[macro_use]
Oct 13 10:48:39.360 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 10:48:39.360 INFO kablam!   |
Oct 13 10:48:39.360 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 10:48:39.360 INFO kablam! 
Oct 13 10:48:39.360 INFO kablam! warning: unused import: `SubCommand`
Oct 13 10:48:39.360 INFO kablam!  --> src/main.rs:8:22
Oct 13 10:48:39.360 INFO kablam!   |
Oct 13 10:48:39.360 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Oct 13 10:48:39.360 INFO kablam!   |                      ^^^^^^^^^^
Oct 13 10:48:39.360 INFO kablam! 
Oct 13 10:48:39.360 INFO kablam! warning: unused import: `std::fs`
Oct 13 10:48:39.360 INFO kablam!  --> src/subscription.rs:7:5
Oct 13 10:48:39.360 INFO kablam!   |
Oct 13 10:48:39.360 INFO kablam! 7 | use std::fs;
Oct 13 10:48:39.360 INFO kablam!   |     ^^^^^^^
Oct 13 10:48:39.361 INFO kablam! 
Oct 13 10:48:39.488 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 10:48:39.488 INFO kablam!  --> src/main.rs:3:1
Oct 13 10:48:39.488 INFO kablam!   |
Oct 13 10:48:39.488 INFO kablam! 3 | #[macro_use]
Oct 13 10:48:39.488 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 10:48:39.488 INFO kablam!   |
Oct 13 10:48:39.488 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 10:48:39.488 INFO kablam! 
Oct 13 10:48:39.488 INFO kablam! warning: unused import: `SubCommand`
Oct 13 10:48:39.488 INFO kablam!  --> src/main.rs:8:22
Oct 13 10:48:39.488 INFO kablam!   |
Oct 13 10:48:39.488 INFO kablam! 8 | use clap::{Arg, App, SubCommand};
Oct 13 10:48:39.488 INFO kablam!   |                      ^^^^^^^^^^
Oct 13 10:48:39.488 INFO kablam! 
Oct 13 10:48:39.725 INFO kablam! warning: unused variable: `bytes`
Oct 13 10:48:39.725 INFO kablam!    --> src/config.rs:166:9
Oct 13 10:48:39.725 INFO kablam!     |
Oct 13 10:48:39.726 INFO kablam! 166 |     let bytes = match res {
Oct 13 10:48:39.726 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Oct 13 10:48:39.726 INFO kablam!     |
Oct 13 10:48:39.726 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 10:48:39.727 INFO kablam! 
Oct 13 10:48:39.868 INFO kablam! warning: function is never used: `read_config`
Oct 13 10:48:39.868 INFO kablam!   --> src/config.rs:89:1
Oct 13 10:48:39.868 INFO kablam!    |
Oct 13 10:48:39.868 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Oct 13 10:48:39.868 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.868 INFO kablam!    |
Oct 13 10:48:39.869 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.869 INFO kablam! warning: function is never used: `write_config`
Oct 13 10:48:39.869 INFO kablam!    --> src/config.rs:123:1
Oct 13 10:48:39.869 INFO kablam!     |
Oct 13 10:48:39.869 INFO kablam! 123 | pub fn write_config(config: Config) {
Oct 13 10:48:39.869 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.869 INFO kablam! warning: method is never used: `new`
Oct 13 10:48:39.869 INFO kablam!   --> src/subscription.rs:24:5
Oct 13 10:48:39.869 INFO kablam!    |
Oct 13 10:48:39.869 INFO kablam! 24 |     pub fn new(url: &str, name: &str, directory: Option<&str>) -> Subscription {
Oct 13 10:48:39.869 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.869 INFO kablam! warning: function is never used: `vec_serialize`
Oct 13 10:48:39.869 INFO kablam!   --> src/subscription.rs:54:1
Oct 13 10:48:39.869 INFO kablam!    |
Oct 13 10:48:39.869 INFO kablam! 54 | pub fn vec_serialize(subs: &Vec<Subscription>) -> Vec<u8> {
Oct 13 10:48:39.869 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.869 INFO kablam! warning: function is never used: `serialize`
Oct 13 10:48:39.869 INFO kablam!   --> src/subscription.rs:63:1
Oct 13 10:48:39.869 INFO kablam!    |
Oct 13 10:48:39.869 INFO kablam! 63 | pub fn serialize(sub: &Subscription) -> Vec<u8> {
Oct 13 10:48:39.869 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.869 INFO kablam! warning: function is never used: `deserialize`
Oct 13 10:48:39.869 INFO kablam!   --> src/subscription.rs:72:1
Oct 13 10:48:39.869 INFO kablam!    |
Oct 13 10:48:39.869 INFO kablam! 72 | pub fn deserialize(sub_vec: &Vec<u8>) -> Option<Subscription> {
Oct 13 10:48:39.869 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.869 INFO kablam! warning: function is never used: `process_directory`
Oct 13 10:48:39.869 INFO kablam!    --> src/subscription.rs:116:1
Oct 13 10:48:39.869 INFO kablam!     |
Oct 13 10:48:39.869 INFO kablam! 116 | fn process_directory(directory: Option<&str>) -> String {
Oct 13 10:48:39.869 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.869 INFO kablam! 
Oct 13 10:48:39.884 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:39.884 INFO kablam!    --> src/config.rs:149:9
Oct 13 10:48:39.884 INFO kablam!     |
Oct 13 10:48:39.884 INFO kablam! 149 |         file.write_all(b"");
Oct 13 10:48:39.884 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:39.884 INFO kablam!     |
Oct 13 10:48:39.884 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 10:48:39.884 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:39.884 INFO kablam! 
Oct 13 10:48:39.884 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:39.884 INFO kablam!    --> src/config.rs:171:5
Oct 13 10:48:39.884 INFO kablam!     |
Oct 13 10:48:39.884 INFO kablam! 171 |     file.flush();
Oct 13 10:48:39.884 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 13 10:48:39.884 INFO kablam!     |
Oct 13 10:48:39.884 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:39.884 INFO kablam! 
Oct 13 10:48:39.971 INFO kablam! warning: unused variable: `bytes`
Oct 13 10:48:39.971 INFO kablam!    --> src/config.rs:166:9
Oct 13 10:48:39.971 INFO kablam!     |
Oct 13 10:48:39.971 INFO kablam! 166 |     let bytes = match res {
Oct 13 10:48:39.971 INFO kablam!     |         ^^^^^ help: consider using `_bytes` instead
Oct 13 10:48:39.971 INFO kablam!     |
Oct 13 10:48:39.971 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 10:48:39.971 INFO kablam! 
Oct 13 10:48:40.100 INFO kablam! warning: function is never used: `read_config`
Oct 13 10:48:40.101 INFO kablam!   --> src/config.rs:89:1
Oct 13 10:48:40.101 INFO kablam!    |
Oct 13 10:48:40.102 INFO kablam! 89 | pub fn read_config() -> Option<Config> {
Oct 13 10:48:40.102 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:40.102 INFO kablam!    |
Oct 13 10:48:40.103 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 10:48:40.103 INFO kablam! 
Oct 13 10:48:40.103 INFO kablam! warning: function is never used: `write_config`
Oct 13 10:48:40.103 INFO kablam!    --> src/config.rs:123:1
Oct 13 10:48:40.104 INFO kablam!     |
Oct 13 10:48:40.104 INFO kablam! 123 | pub fn write_config(config: Config) {
Oct 13 10:48:40.104 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:40.105 INFO kablam! 
Oct 13 10:48:40.105 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:40.105 INFO kablam!    --> src/config.rs:149:9
Oct 13 10:48:40.106 INFO kablam!     |
Oct 13 10:48:40.106 INFO kablam! 149 |         file.write_all(b"");
Oct 13 10:48:40.106 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:40.106 INFO kablam!     |
Oct 13 10:48:40.107 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 10:48:40.107 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:40.107 INFO kablam! 
Oct 13 10:48:40.108 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:40.108 INFO kablam!    --> src/config.rs:171:5
Oct 13 10:48:40.108 INFO kablam!     |
Oct 13 10:48:40.108 INFO kablam! 171 |     file.flush();
Oct 13 10:48:40.109 INFO kablam!     |     ^^^^^^^^^^^^^
Oct 13 10:48:40.109 INFO kablam!     |
Oct 13 10:48:40.109 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:40.109 INFO kablam! 
Oct 13 10:48:40.109 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:40.109 INFO kablam!    --> src/config.rs:229:9
Oct 13 10:48:40.110 INFO kablam!     |
Oct 13 10:48:40.110 INFO kablam! 229 |         fs::remove_file(test_cache_loc);
Oct 13 10:48:40.116 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:40.117 INFO kablam!     |
Oct 13 10:48:40.117 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:40.117 INFO kablam! 
Oct 13 10:48:40.117 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 10:48:40.117 INFO kablam!    --> src/subscription.rs:208:5
Oct 13 10:48:40.117 INFO kablam!     |
Oct 13 10:48:40.117 INFO kablam! 208 |     fs::remove_file(test_path);
Oct 13 10:48:40.117 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:48:40.117 INFO kablam!     |
Oct 13 10:48:40.117 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 10:48:40.117 INFO kablam! 
Oct 13 10:48:40.156 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
Oct 13 10:48:40.162 INFO kablam! su: No module specific data is present
Oct 13 10:48:40.662 INFO running `"docker" "rm" "-f" "aad55fee27faf60078a5e8f8dba4f826993fd21051078b7cffe6fc98a1256af4"`
Oct 13 10:48:40.884 INFO blam! aad55fee27faf60078a5e8f8dba4f826993fd21051078b7cffe6fc98a1256af4