[INFO] cloning repository matklad/jump-app
[INFO] running `"git" "clone" "--bare" "git://github.com/matklad/jump-app.git" "work/cache/sources/gh/matklad/jump-app"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/matklad/jump-app'...
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/jump-app" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matklad/jump-app"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matklad/jump-app'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/jump-app" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matklad/jump-app"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matklad/jump-app'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac21dc04b388b37ef222565980347f4a358fe2a9
[INFO] sha for GitHub repo matklad/jump-app: ac21dc04b388b37ef222565980347f4a358fe2a9
[INFO] validating manifest of matklad/jump-app on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matklad/jump-app on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matklad/jump-app
[INFO] finished frobbing matklad/jump-app
[INFO] frobbed toml for matklad/jump-app written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matklad/jump-app/Cargo.toml
[INFO] started frobbing matklad/jump-app
[INFO] finished frobbing matklad/jump-app
[INFO] frobbed toml for matklad/jump-app written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matklad/jump-app/Cargo.toml
[INFO] crate matklad/jump-app already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing matklad/jump-app against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matklad/jump-app:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 3def9c965d4d0c63af9cde885cf43b3b54ef9e264edbd44df74c39ecb2614c76
[INFO] running `"docker" "start" "-a" "3def9c965d4d0c63af9cde885cf43b3b54ef9e264edbd44df74c39ecb2614c76"`
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling shared_child v0.3.2
[INFO] [stderr]    Compiling os_pipe v0.6.0
[INFO] [stderr]    Compiling duct v0.10.0
[INFO] [stderr]    Compiling jump-app v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut prog = matches.values_of("prog").unwrap();
[INFO] [stderr]   |             ----^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.80s
[INFO] running `"docker" "inspect" "3def9c965d4d0c63af9cde885cf43b3b54ef9e264edbd44df74c39ecb2614c76"`
[INFO] running `"docker" "rm" "-f" "3def9c965d4d0c63af9cde885cf43b3b54ef9e264edbd44df74c39ecb2614c76"`
[INFO] [stdout] 3def9c965d4d0c63af9cde885cf43b3b54ef9e264edbd44df74c39ecb2614c76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matklad/jump-app:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8d90aaeccbebb2aa95c5c00353195d7aca848d2ece250775c695bdc3a7910ed5
[INFO] running `"docker" "start" "-a" "8d90aaeccbebb2aa95c5c00353195d7aca848d2ece250775c695bdc3a7910ed5"`
[INFO] [stderr]    Compiling jump-app v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut prog = matches.values_of("prog").unwrap();
[INFO] [stderr]   |             ----^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "8d90aaeccbebb2aa95c5c00353195d7aca848d2ece250775c695bdc3a7910ed5"`
[INFO] running `"docker" "rm" "-f" "8d90aaeccbebb2aa95c5c00353195d7aca848d2ece250775c695bdc3a7910ed5"`
[INFO] [stdout] 8d90aaeccbebb2aa95c5c00353195d7aca848d2ece250775c695bdc3a7910ed5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matklad/jump-app:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] f8945b6466a6d090eae493949bf7e68d6fd590aebc9eec71000c544fabd023ea
[INFO] running `"docker" "start" "-a" "f8945b6466a6d090eae493949bf7e68d6fd590aebc9eec71000c544fabd023ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jump_app-371ea67860b2d88a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f8945b6466a6d090eae493949bf7e68d6fd590aebc9eec71000c544fabd023ea"`
[INFO] running `"docker" "rm" "-f" "f8945b6466a6d090eae493949bf7e68d6fd590aebc9eec71000c544fabd023ea"`
[INFO] [stdout] f8945b6466a6d090eae493949bf7e68d6fd590aebc9eec71000c544fabd023ea