[INFO] crate outer_cgi 0.2.0 is already in cache [INFO] extracting crate outer_cgi 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/outer_cgi/0.2.0 [INFO] extracting crate outer_cgi 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/outer_cgi/0.2.0 [INFO] validating manifest of outer_cgi-0.2.0 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of outer_cgi-0.2.0 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing outer_cgi-0.2.0 [INFO] finished frobbing outer_cgi-0.2.0 [INFO] frobbed toml for outer_cgi-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/outer_cgi/0.2.0/Cargo.toml [INFO] started frobbing outer_cgi-0.2.0 [INFO] finished frobbing outer_cgi-0.2.0 [INFO] frobbed toml for outer_cgi-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/outer_cgi/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing outer_cgi-0.2.0 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/outer_cgi/0.2.0:/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=warn" "-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] c2bad4f4c47f12244a2af474c5e33148cd0ad9f3251ff841b44b994e6f75c2b1 [INFO] running `"docker" "start" "-a" "c2bad4f4c47f12244a2af474c5e33148cd0ad9f3251ff841b44b994e6f75c2b1"` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling crossbeam-utils v0.3.2 [INFO] [stderr] Compiling ctrlc v3.1.3 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling crossbeam-channel v0.1.3 [INFO] [stderr] Compiling outer_cgi v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut listener [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] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unix.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | nix::unistd::close(write_fd).is_ok(); // ignore error [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unix.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | nix::unistd::close(write_fd).is_ok(); // ignore result [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unix.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | nix::unistd::close(read_fd).is_ok(); // ignore result [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/fcgi.rs:677:13 [INFO] [stderr] | [INFO] [stderr] 677 | listen_tx.send(to_send).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.77s [INFO] running `"docker" "inspect" "c2bad4f4c47f12244a2af474c5e33148cd0ad9f3251ff841b44b994e6f75c2b1"` [INFO] running `"docker" "rm" "-f" "c2bad4f4c47f12244a2af474c5e33148cd0ad9f3251ff841b44b994e6f75c2b1"` [INFO] [stdout] c2bad4f4c47f12244a2af474c5e33148cd0ad9f3251ff841b44b994e6f75c2b1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/outer_cgi/0.2.0:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 9c78608df29b5b703080153d59aa04db9785a099e7619677a2f3c9f618cc579b [INFO] running `"docker" "start" "-a" "9c78608df29b5b703080153d59aa04db9785a099e7619677a2f3c9f618cc579b"` [INFO] [stderr] Compiling outer_cgi v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut listener [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] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unix.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | nix::unistd::close(write_fd).is_ok(); // ignore error [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unix.rs:63:13 [INFO] [stderr] | [INFO] [stderr] 63 | nix::unistd::close(write_fd).is_ok(); // ignore result [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unix.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | nix::unistd::close(read_fd).is_ok(); // ignore result [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/fcgi.rs:677:13 [INFO] [stderr] | [INFO] [stderr] 677 | listen_tx.send(to_send).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `"docker" "inspect" "9c78608df29b5b703080153d59aa04db9785a099e7619677a2f3c9f618cc579b"` [INFO] running `"docker" "rm" "-f" "9c78608df29b5b703080153d59aa04db9785a099e7619677a2f3c9f618cc579b"` [INFO] [stdout] 9c78608df29b5b703080153d59aa04db9785a099e7619677a2f3c9f618cc579b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/outer_cgi/0.2.0:/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=warn" "-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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] b6d95f8c309ce88b1edc2850773865dccffa979057330536bfc64a7ef7c1a76a [INFO] running `"docker" "start" "-a" "b6d95f8c309ce88b1edc2850773865dccffa979057330536bfc64a7ef7c1a76a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/outer_cgi-4f3184f22e17efbd [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/crater/target/debug/deps/outer_cgi-592cd051eb1e6765 [INFO] [stdout] [INFO] [stderr] Doc-tests outer_cgi [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 31) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b6d95f8c309ce88b1edc2850773865dccffa979057330536bfc64a7ef7c1a76a"` [INFO] running `"docker" "rm" "-f" "b6d95f8c309ce88b1edc2850773865dccffa979057330536bfc64a7ef7c1a76a"` [INFO] [stdout] b6d95f8c309ce88b1edc2850773865dccffa979057330536bfc64a7ef7c1a76a