Nov 28 14:56:47.691 INFO checking zopen-0.3.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:56:47.693 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 14:56:48.308 INFO [stdout] 3b8cbd233b4a68542ecc92ece67941fad64aeeddc62b042a9a07d993d906aa63
Nov 28 14:56:48.310 INFO running `"docker" "start" "-a" "3b8cbd233b4a68542ecc92ece67941fad64aeeddc62b042a9a07d993d906aa63"`
Nov 28 14:56:50.085 INFO [stderr] usermod: no changes
Nov 28 14:56:50.236 INFO [stderr]     Checking zopen v0.3.1 (/source)
Nov 28 14:56:50.244 INFO [stderr]     Checking tempfile v3.0.5
Nov 28 14:56:53.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:56:53.265 INFO [stderr]    --> src/tool.rs:189:13
Nov 28 14:56:53.265 INFO [stderr]     |
Nov 28 14:56:53.266 INFO [stderr] 189 |             writeln!(output, "Welt");
Nov 28 14:56:53.266 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:56:53.266 INFO [stderr]     |
Nov 28 14:56:53.266 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 14:56:53.267 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:56:53.267 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)
Nov 28 14:56:53.267 INFO [stderr] 
Nov 28 14:56:53.267 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:56:53.268 INFO [stderr]    --> src/tool.rs:190:13
Nov 28 14:56:53.268 INFO [stderr]     |
Nov 28 14:56:53.268 INFO [stderr] 190 |             writeln!(output, "Hallo");
Nov 28 14:56:53.269 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:56:53.269 INFO [stderr]     |
Nov 28 14:56:53.269 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:56:53.269 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)
Nov 28 14:56:53.270 INFO [stderr] 
Nov 28 14:56:53.290 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.18s
Nov 28 14:56:53.305 INFO [stderr] su: No module specific data is present
Nov 28 14:56:54.176 INFO running `"docker" "inspect" "3b8cbd233b4a68542ecc92ece67941fad64aeeddc62b042a9a07d993d906aa63"`
Nov 28 14:56:54.463 INFO running `"docker" "rm" "-f" "3b8cbd233b4a68542ecc92ece67941fad64aeeddc62b042a9a07d993d906aa63"`
Nov 28 14:56:54.700 INFO [stdout] 3b8cbd233b4a68542ecc92ece67941fad64aeeddc62b042a9a07d993d906aa63