[INFO] updating cached repository garbas/nix-installer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garbas/nix-installer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garbas/nix-installer" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/garbas/nix-installer"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/garbas/nix-installer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garbas/nix-installer" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/garbas/nix-installer"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/garbas/nix-installer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be377a9fddc2ebcd212d6600824609e8f2371a39
[INFO] sha for GitHub repo garbas/nix-installer: be377a9fddc2ebcd212d6600824609e8f2371a39
[INFO] validating manifest of garbas/nix-installer on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of garbas/nix-installer on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing garbas/nix-installer
[INFO] finished frobbing garbas/nix-installer
[INFO] frobbed toml for garbas/nix-installer written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/garbas/nix-installer/Cargo.toml
[INFO] started frobbing garbas/nix-installer
[INFO] finished frobbing garbas/nix-installer
[INFO] frobbed toml for garbas/nix-installer written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/garbas/nix-installer/Cargo.toml
[INFO] crate garbas/nix-installer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking garbas/nix-installer against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/garbas/nix-installer:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4bd67f7fcbbebc4e74962a37d2ce55bd14409f17da3e4c9fb7b5283706616406
[INFO] running `"docker" "start" "-a" "4bd67f7fcbbebc4e74962a37d2ce55bd14409f17da3e4c9fb7b5283706616406"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]     Checking xattr v0.1.10
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking tar v0.4.10
[INFO] [stderr]     Checking bzip2 v0.3.1
[INFO] [stderr]     Checking nix-installer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/nix-installer.rs:73:70
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let temp_dir = TempDir::new("nix-installer").unwrap_or_else(|e| panic!("Could not create temporary directory"));
[INFO] [stderr]    |                                                                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/nix-installer.rs:73:70
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let temp_dir = TempDir::new("nix-installer").unwrap_or_else(|e| panic!("Could not create temporary directory"));
[INFO] [stderr]    |                                                                      ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/nix-installer.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         ar.unpack(temp_dir.path());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/nix-installer.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         ar.unpack(temp_dir.path());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `"docker" "inspect" "4bd67f7fcbbebc4e74962a37d2ce55bd14409f17da3e4c9fb7b5283706616406"`
[INFO] running `"docker" "rm" "-f" "4bd67f7fcbbebc4e74962a37d2ce55bd14409f17da3e4c9fb7b5283706616406"`
[INFO] [stdout] 4bd67f7fcbbebc4e74962a37d2ce55bd14409f17da3e4c9fb7b5283706616406