Dec 05 04:46:40.188 INFO checking uvm_core-0.0.1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 04:46:40.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 04:46:40.599 INFO [stdout] 3d833b096b98fc2ff93f30a9ee0761b35f5d4319b885ea31ff5547a1986df8b5
Dec 05 04:46:40.601 INFO running `"docker" "start" "-a" "3d833b096b98fc2ff93f30a9ee0761b35f5d4319b885ea31ff5547a1986df8b5"`
Dec 05 04:46:42.387 INFO [stderr] usermod: no changes
Dec 05 04:46:42.565 INFO [stderr]     Checking bit-set v0.5.0
Dec 05 04:46:42.565 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 05 04:46:42.571 INFO [stderr]     Checking plist v0.3.0
Dec 05 04:46:42.575 INFO [stderr]     Checking tempfile v3.0.5
Dec 05 04:46:45.307 INFO [stderr]     Checking rusty-fork v0.2.1
Dec 05 04:46:45.651 INFO [stderr]     Checking uvm_core v0.0.1 (/source)
Dec 05 04:46:47.443 INFO [stderr]     Checking proptest v0.8.7
Dec 05 04:46:59.582 INFO [stderr] warning: unused import: `std::fs::OpenOptions`
Dec 05 04:46:59.582 INFO [stderr]   --> src/unity/installation.rs:83:9
Dec 05 04:46:59.582 INFO [stderr]    |
Dec 05 04:46:59.582 INFO [stderr] 83 |     use std::fs::OpenOptions;
Dec 05 04:46:59.582 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
Dec 05 04:46:59.582 INFO [stderr]    |
Dec 05 04:46:59.582 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 04:46:59.582 INFO [stderr] 
Dec 05 04:46:59.582 INFO [stderr] warning: unused import: `std::env`
Dec 05 04:46:59.582 INFO [stderr]   --> src/unity/current_installation.rs:22:9
Dec 05 04:46:59.582 INFO [stderr]    |
Dec 05 04:46:59.582 INFO [stderr] 22 |     use std::env;
Dec 05 04:46:59.582 INFO [stderr]    |         ^^^^^^^^
Dec 05 04:46:59.582 INFO [stderr] 
Dec 05 04:46:59.582 INFO [stderr] warning: unused import: `rand`
Dec 05 04:46:59.582 INFO [stderr]   --> src/unity/current_installation.rs:27:9
Dec 05 04:46:59.582 INFO [stderr]    |
Dec 05 04:46:59.582 INFO [stderr] 27 |     use rand;
Dec 05 04:46:59.582 INFO [stderr]    |         ^^^^
Dec 05 04:46:59.582 INFO [stderr] 
Dec 05 04:46:59.582 INFO [stderr] warning: unused import: `tempfile::TempDir`
Dec 05 04:46:59.582 INFO [stderr]   --> src/unity/current_installation.rs:28:9
Dec 05 04:46:59.582 INFO [stderr]    |
Dec 05 04:46:59.582 INFO [stderr] 28 |     use tempfile::TempDir;
Dec 05 04:46:59.582 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 05 04:46:59.582 INFO [stderr] 
Dec 05 04:46:59.591 INFO [stderr] warning: unused import: `deserialize`
Dec 05 04:46:59.591 INFO [stderr]   --> src/unity/current_installation.rs:34:24
Dec 05 04:46:59.591 INFO [stderr]    |
Dec 05 04:46:59.591 INFO [stderr] 34 |     use plist::serde::{deserialize, serialize_to_xml};
Dec 05 04:46:59.591 INFO [stderr]    |                        ^^^^^^^^^^^
Dec 05 04:46:59.591 INFO [stderr] 
Dec 05 04:46:59.591 INFO [stderr] warning: unused import: `std::env`
Dec 05 04:46:59.591 INFO [stderr]    --> src/unity/mod.rs:105:9
Dec 05 04:46:59.591 INFO [stderr]     |
Dec 05 04:46:59.591 INFO [stderr] 105 |     use std::env;
Dec 05 04:46:59.591 INFO [stderr]     |         ^^^^^^^^
Dec 05 04:46:59.591 INFO [stderr] 
Dec 05 04:46:59.591 INFO [stderr] warning: unused import: `rand`
Dec 05 04:46:59.591 INFO [stderr]    --> src/unity/mod.rs:109:9
Dec 05 04:46:59.591 INFO [stderr]     |
Dec 05 04:46:59.591 INFO [stderr] 109 |     use rand;
Dec 05 04:46:59.591 INFO [stderr]     |         ^^^^
Dec 05 04:46:59.591 INFO [stderr] 
Dec 05 04:46:59.591 INFO [stderr] warning: unused import: `deserialize`
Dec 05 04:46:59.591 INFO [stderr]    --> src/unity/mod.rs:115:24
Dec 05 04:46:59.591 INFO [stderr]     |
Dec 05 04:46:59.591 INFO [stderr] 115 |     use plist::serde::{deserialize, serialize_to_xml};
Dec 05 04:46:59.591 INFO [stderr]     |                        ^^^^^^^^^^^
Dec 05 04:46:59.591 INFO [stderr] 
Dec 05 04:47:00.055 INFO [stderr] warning: unused variable: `t`
Dec 05 04:47:00.055 INFO [stderr]    --> src/unity/installation.rs:125:14
Dec 05 04:47:00.055 INFO [stderr]     |
Dec 05 04:47:00.055 INFO [stderr] 125 |         let (t , path) = prepare_unity_installation!("2017.1.2f5");
Dec 05 04:47:00.055 INFO [stderr]     |              ^ help: consider using `_t` instead
Dec 05 04:47:00.055 INFO [stderr]     |
Dec 05 04:47:00.055 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 04:47:00.055 INFO [stderr] 
Dec 05 04:47:00.055 INFO [stderr] warning: unused variable: `t`
Dec 05 04:47:00.055 INFO [stderr]    --> src/unity/installation.rs:140:18
Dec 05 04:47:00.055 INFO [stderr]     |
Dec 05 04:47:00.055 INFO [stderr] 140 |             let (t , path) = prepare_unity_installation!(s);
Dec 05 04:47:00.055 INFO [stderr]     |                  ^ help: consider using `_t` instead
Dec 05 04:47:00.055 INFO [stderr] 
Dec 05 04:47:00.055 INFO [stderr] warning: unused variable: `temp_dir1`
Dec 05 04:47:00.055 INFO [stderr]    --> src/unity/mod.rs:165:13
Dec 05 04:47:00.055 INFO [stderr]     |
Dec 05 04:47:00.055 INFO [stderr] 165 |         let temp_dir1 = builder.tempdir_in(&test_dir).unwrap();
Dec 05 04:47:00.055 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_temp_dir1` instead
Dec 05 04:47:00.055 INFO [stderr] 
Dec 05 04:47:00.055 INFO [stderr] warning: unused variable: `temp_dir2`
Dec 05 04:47:00.055 INFO [stderr]    --> src/unity/mod.rs:166:13
Dec 05 04:47:00.055 INFO [stderr]     |
Dec 05 04:47:00.055 INFO [stderr] 166 |         let temp_dir2 = builder.tempdir_in(&test_dir).unwrap();
Dec 05 04:47:00.055 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_temp_dir2` instead
Dec 05 04:47:00.055 INFO [stderr] 
Dec 05 04:47:00.055 INFO [stderr] warning: unused variable: `temp_dir3`
Dec 05 04:47:00.055 INFO [stderr]    --> src/unity/mod.rs:167:13
Dec 05 04:47:00.055 INFO [stderr]     |
Dec 05 04:47:00.055 INFO [stderr] 167 |         let temp_dir3 = builder.tempdir_in(&test_dir).unwrap();
Dec 05 04:47:00.055 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_temp_dir3` instead
Dec 05 04:47:00.055 INFO [stderr] 
Dec 05 04:47:00.086 INFO [stderr] warning: variable does not need to be mutable
Dec 05 04:47:00.086 INFO [stderr]    --> src/unity/mod.rs:169:13
Dec 05 04:47:00.086 INFO [stderr]     |
Dec 05 04:47:00.086 INFO [stderr] 169 |         let mut subject = Installations::new(test_dir.path()).unwrap();
Dec 05 04:47:00.086 INFO [stderr]     |             ----^^^^^^^
Dec 05 04:47:00.086 INFO [stderr]     |             |
Dec 05 04:47:00.086 INFO [stderr]     |             help: remove this `mut`
Dec 05 04:47:00.086 INFO [stderr]     |
Dec 05 04:47:00.086 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 04:47:00.086 INFO [stderr] 
Dec 05 04:47:00.086 INFO [stderr] warning: variable does not need to be mutable
Dec 05 04:47:00.086 INFO [stderr]    --> src/unity/mod.rs:196:13
Dec 05 04:47:00.086 INFO [stderr]     |
Dec 05 04:47:00.086 INFO [stderr] 196 |         let mut subject = installations.versions();
Dec 05 04:47:00.086 INFO [stderr]     |             ----^^^^^^^
Dec 05 04:47:00.086 INFO [stderr]     |             |
Dec 05 04:47:00.086 INFO [stderr]     |             help: remove this `mut`
Dec 05 04:47:00.086 INFO [stderr] 
Dec 05 04:47:00.094 INFO [stderr] warning: variable does not need to be mutable
Dec 05 04:47:00.094 INFO [stderr]    --> src/unity/mod.rs:213:13
Dec 05 04:47:00.094 INFO [stderr]     |
Dec 05 04:47:00.094 INFO [stderr] 213 |         let mut subject = Versions::from(installations);
Dec 05 04:47:00.094 INFO [stderr]     |             ----^^^^^^^
Dec 05 04:47:00.094 INFO [stderr]     |             |
Dec 05 04:47:00.094 INFO [stderr]     |             help: remove this `mut`
Dec 05 04:47:00.094 INFO [stderr] 
Dec 05 04:47:00.247 INFO [stderr] warning: variable does not need to be mutable
Dec 05 04:47:00.247 INFO [stderr]    --> src/unity/mod.rs:233:17
Dec 05 04:47:00.247 INFO [stderr]     |
Dec 05 04:47:00.247 INFO [stderr] 233 |             let mut subject = Installations::new(test_dir.path()).unwrap();
Dec 05 04:47:00.247 INFO [stderr]     |                 ----^^^^^^^
Dec 05 04:47:00.247 INFO [stderr]     |                 |
Dec 05 04:47:00.247 INFO [stderr]     |                 help: remove this `mut`
Dec 05 04:47:00.247 INFO [stderr] 
Dec 05 04:47:00.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:47:00.257 INFO [stderr]    --> src/unity/mod.rs:222:5
Dec 05 04:47:00.257 INFO [stderr]     |
Dec 05 04:47:00.257 INFO [stderr] 222 | /     proptest! {
Dec 05 04:47:00.257 INFO [stderr] 223 | |         #[test]
Dec 05 04:47:00.257 INFO [stderr] 224 | |         fn doesnt_crash(ref s in "\\PC*") {
Dec 05 04:47:00.257 INFO [stderr] 225 | |             Installations::new(Path::new(s))
Dec 05 04:47:00.257 INFO [stderr] ...   |
Dec 05 04:47:00.257 INFO [stderr] 235 | |         }
Dec 05 04:47:00.257 INFO [stderr] 236 | |     }
Dec 05 04:47:00.257 INFO [stderr]     | |_____^
Dec 05 04:47:00.257 INFO [stderr]     |
Dec 05 04:47:00.257 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 04:47:00.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:47:00.257 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:47:00.257 INFO [stderr] 
Dec 05 04:47:00.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.88s
Dec 05 04:47:00.314 INFO [stderr] su: No module specific data is present
Dec 05 04:47:01.016 INFO running `"docker" "inspect" "3d833b096b98fc2ff93f30a9ee0761b35f5d4319b885ea31ff5547a1986df8b5"`
Dec 05 04:47:01.403 INFO running `"docker" "rm" "-f" "3d833b096b98fc2ff93f30a9ee0761b35f5d4319b885ea31ff5547a1986df8b5"`
Dec 05 04:47:01.708 INFO [stdout] 3d833b096b98fc2ff93f30a9ee0761b35f5d4319b885ea31ff5547a1986df8b5