[INFO] crate configure_me_codegen 0.3.2 is already in cache
[INFO] extracting crate configure_me_codegen 0.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/configure_me_codegen/0.3.2
[INFO] extracting crate configure_me_codegen 0.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/configure_me_codegen/0.3.2
[INFO] validating manifest of configure_me_codegen-0.3.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of configure_me_codegen-0.3.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing configure_me_codegen-0.3.2
[INFO] finished frobbing configure_me_codegen-0.3.2
[INFO] frobbed toml for configure_me_codegen-0.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/configure_me_codegen/0.3.2/Cargo.toml
[INFO] started frobbing configure_me_codegen-0.3.2
[INFO] finished frobbing configure_me_codegen-0.3.2
[INFO] frobbed toml for configure_me_codegen-0.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/configure_me_codegen/0.3.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing configure_me_codegen-0.3.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/configure_me_codegen/0.3.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c6406cfb37ce102622855c349c8b18fa9ae19e0d8936ea852f78dd5f565e1be3
[INFO] running `"docker" "start" "-a" "c6406cfb37ce102622855c349c8b18fa9ae19e0d8936ea852f78dd5f565e1be3"`
[INFO] [stderr]    Compiling roff v0.1.0
[INFO] [stderr]    Compiling configure_me_codegen v0.3.2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling fmt2io v0.1.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling man v0.1.1
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/codegen.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     writeln!(output, "\", program_name),");
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `"docker" "inspect" "c6406cfb37ce102622855c349c8b18fa9ae19e0d8936ea852f78dd5f565e1be3"`
[INFO] running `"docker" "rm" "-f" "c6406cfb37ce102622855c349c8b18fa9ae19e0d8936ea852f78dd5f565e1be3"`
[INFO] [stdout] c6406cfb37ce102622855c349c8b18fa9ae19e0d8936ea852f78dd5f565e1be3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/configure_me_codegen/0.3.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d0f01e0bd9191f1579bdd7b9a3f706f5e6d667e10d298ca18493050fbeb933f7
[INFO] running `"docker" "start" "-a" "d0f01e0bd9191f1579bdd7b9a3f706f5e6d667e10d298ca18493050fbeb933f7"`
[INFO] [stderr]    Compiling parse_arg v0.1.2
[INFO] [stderr]    Compiling configure_me v0.3.1
[INFO] [stderr]    Compiling configure_me_codegen v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/codegen.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     writeln!(output, "\", program_name),");
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `"docker" "inspect" "d0f01e0bd9191f1579bdd7b9a3f706f5e6d667e10d298ca18493050fbeb933f7"`
[INFO] running `"docker" "rm" "-f" "d0f01e0bd9191f1579bdd7b9a3f706f5e6d667e10d298ca18493050fbeb933f7"`
[INFO] [stdout] d0f01e0bd9191f1579bdd7b9a3f706f5e6d667e10d298ca18493050fbeb933f7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/configure_me_codegen/0.3.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b1ee17f15a71ddf7e84e14a0f542875c14a1a51e9b6937b59876453d5a75537b
[INFO] running `"docker" "start" "-a" "b1ee17f15a71ddf7e84e14a0f542875c14a1a51e9b6937b59876453d5a75537b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/configure_me_codegen-763ee68a5dacd4f6
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test codegen::tests::single_default_param_raw_config ... ok
[INFO] [stdout] test codegen::tests::single_optional_merge_args ... ok
[INFO] [stdout] test codegen::tests::single_optional_param_raw_config ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test codegen::tests::empty_arg_parse_error ... ok
[INFO] [stdout] test codegen::tests::single_mandatory_param_raw_config ... ok
[INFO] [stdout] test codegen::tests::single_optional_param_validate ... ok
[INFO] [stdout] test codegen::tests::single_switch_raw_config ... ok
[INFO] [stdout] test tests::no_arg ... ok
[INFO] [stdout] test codegen::tests::empty_raw_config ... ok
[INFO] [stdout] test tests::single_default_param ... ok
[INFO] [stdout] test tests::multiple_params ... ok
[INFO] [stdout] test tests::single_optional_param ... ok
[INFO] [stdout] test tests::single_switch ... ok
[INFO] [stdout] test tests::single_mandatory_param ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test custom_args_with_two_dashes ... ok
[INFO] [stdout] test custom_args_with_one_remaining ... ok
[INFO] [stdout] test custom_args ... ok
[INFO] [stdout] test custom_args_with_two_remaining ... ok
[INFO] [stdout] test param_equals_value ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/custom_args-93c8b7db414ea143
[INFO] [stdout] test custom_args_with_two_dashes_foo_equals_val ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/display-8763352803e48d1e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test unknown_arg ... ok
[INFO] [stdout] test print_help ... ok
[INFO] [stdout] test parse_fail ... ok
[INFO] [stdout] test missing_arg ... ok
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/doc-888e295e6cf6b0a0
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test process_error ... ignored
[INFO] [stderr]      Running /opt/crater/target/debug/deps/empty-f91970a9c538d47f
[INFO] [stdout] test process_help ... ignored
[INFO] [stdout] test help_multiple_params ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/single_optional_param-c7b6b03e332d2634
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stderr]    Doc-tests configure_me_codegen
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `"docker" "inspect" "b1ee17f15a71ddf7e84e14a0f542875c14a1a51e9b6937b59876453d5a75537b"`
[INFO] running `"docker" "rm" "-f" "b1ee17f15a71ddf7e84e14a0f542875c14a1a51e9b6937b59876453d5a75537b"`
[INFO] [stdout] b1ee17f15a71ddf7e84e14a0f542875c14a1a51e9b6937b59876453d5a75537b