[INFO] crate foropts 0.3.6 is already in cache
[INFO] extracting crate foropts 0.3.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/foropts/0.3.6
[INFO] extracting crate foropts 0.3.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/foropts/0.3.6
[INFO] validating manifest of foropts-0.3.6 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 foropts-0.3.6 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 foropts-0.3.6
[INFO] finished frobbing foropts-0.3.6
[INFO] frobbed toml for foropts-0.3.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/foropts/0.3.6/Cargo.toml
[INFO] started frobbing foropts-0.3.6
[INFO] finished frobbing foropts-0.3.6
[INFO] frobbed toml for foropts-0.3.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/foropts/0.3.6/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing foropts-0.3.6 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/foropts/0.3.6:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 712612af5459e94b68d6ab0c2ea46144b006f5f8fe0bb6c6cbe68434a375d882
[INFO] running `"docker" "start" "-a" "712612af5459e94b68d6ab0c2ea46144b006f5f8fe0bb6c6cbe68434a375d882"`
[INFO] [stderr]    Compiling foropts v0.3.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arg.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |     action:     Box<Fn(&str) -> Result<T> + 'a>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Result<T> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "712612af5459e94b68d6ab0c2ea46144b006f5f8fe0bb6c6cbe68434a375d882"`
[INFO] running `"docker" "rm" "-f" "712612af5459e94b68d6ab0c2ea46144b006f5f8fe0bb6c6cbe68434a375d882"`
[INFO] [stdout] 712612af5459e94b68d6ab0c2ea46144b006f5f8fe0bb6c6cbe68434a375d882
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/foropts/0.3.6:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a0fa6535166b1e5b7e172ad2d8755b4b78a02fb517b58453610b3b4e59b1a664
[INFO] running `"docker" "start" "-a" "a0fa6535166b1e5b7e172ad2d8755b4b78a02fb517b58453610b3b4e59b1a664"`
[INFO] [stderr]    Compiling foropts v0.3.6 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/arg.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |     action:     Box<Fn(&str) -> Result<T> + 'a>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> Result<T> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "a0fa6535166b1e5b7e172ad2d8755b4b78a02fb517b58453610b3b4e59b1a664"`
[INFO] running `"docker" "rm" "-f" "a0fa6535166b1e5b7e172ad2d8755b4b78a02fb517b58453610b3b4e59b1a664"`
[INFO] [stdout] a0fa6535166b1e5b7e172ad2d8755b4b78a02fb517b58453610b3b4e59b1a664
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/foropts/0.3.6:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 152c8a3a3fae565191b65f5d3f4254ee505d1a4f95f52fc52a8d69ef69a2085c
[INFO] running `"docker" "start" "-a" "152c8a3a3fae565191b65f5d3f4254ee505d1a4f95f52fc52a8d69ef69a2085c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/foropts-6d99a87568f62534
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::flag_s_s ... ok
[INFO] [stdout] test tests::flag_s_l_s ... ok
[INFO] [stdout] test tests::flag_s ... ok
[INFO] [stdout] test tests::flag_freq_needs_float_param ... ok
[INFO] [stdout] test tests::flag_f_needs_param ... ok
[INFO] [stdout] test tests::float_parsing_error_message ... ok
[INFO] [stdout] test tests::unrecognized_option_works ... ok
[INFO] [stdout] test tests::double_hyphen_works ... ok
[INFO] [stdout] test tests::char_example ... ok
[INFO] [stdout] test tests::flag_softer ... ok
[INFO] [stdout] test tests::flag_freq_needs_param ... ok
[INFO] [stderr]    Doc-tests foropts
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 20) ... ok
[INFO] [stdout] test src/lib.rs -  (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "152c8a3a3fae565191b65f5d3f4254ee505d1a4f95f52fc52a8d69ef69a2085c"`
[INFO] running `"docker" "rm" "-f" "152c8a3a3fae565191b65f5d3f4254ee505d1a4f95f52fc52a8d69ef69a2085c"`
[INFO] [stdout] 152c8a3a3fae565191b65f5d3f4254ee505d1a4f95f52fc52a8d69ef69a2085c