[INFO] cloning repository mitoma/rust_simple_http_server [INFO] running `"git" "clone" "--bare" "git://github.com/mitoma/rust_simple_http_server.git" "work/cache/sources/gh/mitoma/rust_simple_http_server"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mitoma/rust_simple_http_server'... [INFO] running `"git" "clone" "work/cache/sources/gh/mitoma/rust_simple_http_server" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mitoma/rust_simple_http_server"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mitoma/rust_simple_http_server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mitoma/rust_simple_http_server" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mitoma/rust_simple_http_server"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mitoma/rust_simple_http_server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 89ce8e5a92b38e2aee4c759e7b6eb55c48c49f11 [INFO] sha for GitHub repo mitoma/rust_simple_http_server: 89ce8e5a92b38e2aee4c759e7b6eb55c48c49f11 [INFO] validating manifest of mitoma/rust_simple_http_server 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 mitoma/rust_simple_http_server 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 mitoma/rust_simple_http_server [INFO] finished frobbing mitoma/rust_simple_http_server [INFO] frobbed toml for mitoma/rust_simple_http_server written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mitoma/rust_simple_http_server/Cargo.toml [INFO] started frobbing mitoma/rust_simple_http_server [INFO] finished frobbing mitoma/rust_simple_http_server [INFO] frobbed toml for mitoma/rust_simple_http_server written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mitoma/rust_simple_http_server/Cargo.toml [INFO] crate mitoma/rust_simple_http_server 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 mitoma/rust_simple_http_server against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mitoma/rust_simple_http_server:/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] 97c7e857c7cfd7a45df1b7a0a7c6dca8704e00278c10a1b5acdb9cd94f83c1df [INFO] running `"docker" "start" "-a" "97c7e857c7cfd7a45df1b7a0a7c6dca8704e00278c10a1b5acdb9cd94f83c1df"` [INFO] [stderr] Compiling rust_simple_http_server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | stream.map(echo); [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 0.97s [INFO] running `"docker" "inspect" "97c7e857c7cfd7a45df1b7a0a7c6dca8704e00278c10a1b5acdb9cd94f83c1df"` [INFO] running `"docker" "rm" "-f" "97c7e857c7cfd7a45df1b7a0a7c6dca8704e00278c10a1b5acdb9cd94f83c1df"` [INFO] [stdout] 97c7e857c7cfd7a45df1b7a0a7c6dca8704e00278c10a1b5acdb9cd94f83c1df [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mitoma/rust_simple_http_server:/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] 56b4a0017935299dbdb4532d83baa89898dcc1cdad464c6ed46e23a141af7d0f [INFO] running `"docker" "start" "-a" "56b4a0017935299dbdb4532d83baa89898dcc1cdad464c6ed46e23a141af7d0f"` [INFO] [stderr] Compiling rust_simple_http_server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | stream.map(echo); [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 0.89s [INFO] running `"docker" "inspect" "56b4a0017935299dbdb4532d83baa89898dcc1cdad464c6ed46e23a141af7d0f"` [INFO] running `"docker" "rm" "-f" "56b4a0017935299dbdb4532d83baa89898dcc1cdad464c6ed46e23a141af7d0f"` [INFO] [stdout] 56b4a0017935299dbdb4532d83baa89898dcc1cdad464c6ed46e23a141af7d0f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mitoma/rust_simple_http_server:/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] 08da10b3e1b2458db5a17675aea2a1e0e0c9446f41265183c45fd2b613341d1c [INFO] running `"docker" "start" "-a" "08da10b3e1b2458db5a17675aea2a1e0e0c9446f41265183c45fd2b613341d1c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_simple_http_server-82a6f9790e609695 [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" "08da10b3e1b2458db5a17675aea2a1e0e0c9446f41265183c45fd2b613341d1c"` [INFO] running `"docker" "rm" "-f" "08da10b3e1b2458db5a17675aea2a1e0e0c9446f41265183c45fd2b613341d1c"` [INFO] [stdout] 08da10b3e1b2458db5a17675aea2a1e0e0c9446f41265183c45fd2b613341d1c