Oct 12 21:18:44.743 INFO checking garbas/nix-installer against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 21:18:44.744 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 21:18:45.148 INFO blam! c448cd0cd30d7a86205ccbb75a6c2739c61c4605abf99a80e6d8ff73599b0a95
Oct 12 21:18:45.152 INFO running `"docker" "start" "-a" "c448cd0cd30d7a86205ccbb75a6c2739c61c4605abf99a80e6d8ff73599b0a95"`
Oct 12 21:18:46.431 INFO kablam! usermod: no changes
Oct 12 21:18:46.574 INFO kablam!    Compiling bzip2-sys v0.1.5
Oct 12 21:18:46.575 INFO kablam!     Checking xattr v0.1.10
Oct 12 21:18:46.575 INFO kablam!     Checking filetime v0.1.10
Oct 12 21:18:46.576 INFO kablam!     Checking elf v0.0.10
Oct 12 21:18:47.816 INFO kablam!     Checking tar v0.4.10
Oct 12 21:18:50.844 INFO kablam!     Checking bzip2 v0.3.1
Oct 12 21:18:51.500 INFO kablam!     Checking nix-installer v0.1.0 (/source)
Oct 12 21:18:53.556 INFO kablam! warning: unused variable: `e`
Oct 12 21:18:53.557 INFO kablam!   --> src/bin/nix-installer.rs:73:70
Oct 12 21:18:53.557 INFO kablam!    |
Oct 12 21:18:53.557 INFO kablam! 73 |         let temp_dir = TempDir::new("nix-installer").unwrap_or_else(|e| panic!("Could not create temporary directory"));
Oct 12 21:18:53.557 INFO kablam!    |                                                                      ^ help: consider using `_e` instead
Oct 12 21:18:53.557 INFO kablam!    |
Oct 12 21:18:53.557 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:18:53.557 INFO kablam! 
Oct 12 21:18:53.583 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:18:53.583 INFO kablam!   --> src/bin/nix-installer.rs:76:9
Oct 12 21:18:53.583 INFO kablam!    |
Oct 12 21:18:53.583 INFO kablam! 76 |         ar.unpack(temp_dir.path());
Oct 12 21:18:53.583 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:18:53.584 INFO kablam!    |
Oct 12 21:18:53.585 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:18:53.585 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:18:53.585 INFO kablam! 
Oct 12 21:18:53.704 INFO kablam! warning: unused variable: `e`
Oct 12 21:18:53.704 INFO kablam!   --> src/bin/nix-installer.rs:73:70
Oct 12 21:18:53.704 INFO kablam!    |
Oct 12 21:18:53.704 INFO kablam! 73 |         let temp_dir = TempDir::new("nix-installer").unwrap_or_else(|e| panic!("Could not create temporary directory"));
Oct 12 21:18:53.704 INFO kablam!    |                                                                      ^ help: consider using `_e` instead
Oct 12 21:18:53.704 INFO kablam!    |
Oct 12 21:18:53.704 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:18:53.704 INFO kablam! 
Oct 12 21:18:53.744 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 21:18:53.744 INFO kablam!   --> src/bin/nix-installer.rs:76:9
Oct 12 21:18:53.744 INFO kablam!    |
Oct 12 21:18:53.744 INFO kablam! 76 |         ar.unpack(temp_dir.path());
Oct 12 21:18:53.744 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:18:53.744 INFO kablam!    |
Oct 12 21:18:53.744 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 21:18:53.744 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 21:18:53.744 INFO kablam! 
Oct 12 21:18:53.804 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.33s
Oct 12 21:18:53.805 INFO kablam! su: No module specific data is present
Oct 12 21:18:54.253 INFO running `"docker" "rm" "-f" "c448cd0cd30d7a86205ccbb75a6c2739c61c4605abf99a80e6d8ff73599b0a95"`
Oct 12 21:18:54.445 INFO blam! c448cd0cd30d7a86205ccbb75a6c2739c61c4605abf99a80e6d8ff73599b0a95