[INFO] cloning repository intrepion/example-x-rust-x-rustbyexample-com-x-expression
[INFO] running `"git" "clone" "--bare" "git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-expression.git" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression'...
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d04b55311c050674f9363d474d20b32982e9e45f
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-expression: d04b55311c050674f9363d474d20b32982e9e45f
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-expression 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 intrepion/example-x-rust-x-rustbyexample-com-x-expression 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 intrepion/example-x-rust-x-rustbyexample-com-x-expression
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-expression
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-expression written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-expression
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-expression
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-expression written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-expression 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 intrepion/example-x-rust-x-rustbyexample-com-x-expression 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/intrepion/example-x-rust-x-rustbyexample-com-x-expression:/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] 1476356aec345ce54939aead83d40084783e3e0615cd9f8e922d97cfa23289ac
[INFO] running `"docker" "start" "-a" "1476356aec345ce54939aead83d40084783e3e0615cd9f8e922d97cfa23289ac"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-expression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         2 * x;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "1476356aec345ce54939aead83d40084783e3e0615cd9f8e922d97cfa23289ac"`
[INFO] running `"docker" "rm" "-f" "1476356aec345ce54939aead83d40084783e3e0615cd9f8e922d97cfa23289ac"`
[INFO] [stdout] 1476356aec345ce54939aead83d40084783e3e0615cd9f8e922d97cfa23289ac
[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/intrepion/example-x-rust-x-rustbyexample-com-x-expression:/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] 9db05070f9925dad9f7555c118db171b005e6ddcb13320df9a8b8bb566bbaafa
[INFO] running `"docker" "start" "-a" "9db05070f9925dad9f7555c118db171b005e6ddcb13320df9a8b8bb566bbaafa"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-expression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/main.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         2 * x;
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "9db05070f9925dad9f7555c118db171b005e6ddcb13320df9a8b8bb566bbaafa"`
[INFO] running `"docker" "rm" "-f" "9db05070f9925dad9f7555c118db171b005e6ddcb13320df9a8b8bb566bbaafa"`
[INFO] [stdout] 9db05070f9925dad9f7555c118db171b005e6ddcb13320df9a8b8bb566bbaafa
[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/intrepion/example-x-rust-x-rustbyexample-com-x-expression:/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] 69433bd6d422aa4e3d5e1e99a4120641231df8876b89e1f2e5d0a1d448013f96
[INFO] running `"docker" "start" "-a" "69433bd6d422aa4e3d5e1e99a4120641231df8876b89e1f2e5d0a1d448013f96"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_expression-e028e79eb1cc4002
[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" "69433bd6d422aa4e3d5e1e99a4120641231df8876b89e1f2e5d0a1d448013f96"`
[INFO] running `"docker" "rm" "-f" "69433bd6d422aa4e3d5e1e99a4120641231df8876b89e1f2e5d0a1d448013f96"`
[INFO] [stdout] 69433bd6d422aa4e3d5e1e99a4120641231df8876b89e1f2e5d0a1d448013f96