[INFO] crate gflags 0.3.1 is already in cache
[INFO] extracting crate gflags 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/gflags/0.3.1
[INFO] extracting crate gflags 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gflags/0.3.1
[INFO] validating manifest of gflags-0.3.1 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 gflags-0.3.1 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 gflags-0.3.1
[INFO] finished frobbing gflags-0.3.1
[INFO] frobbed toml for gflags-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gflags/0.3.1/Cargo.toml
[INFO] started frobbing gflags-0.3.1
[INFO] finished frobbing gflags-0.3.1
[INFO] frobbed toml for gflags-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gflags/0.3.1/Cargo.toml
[INFO] crate gflags-0.3.1 already has a lockfile, it will not be regenerated
[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 gflags-0.3.1 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/gflags/0.3.1:/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] d5e5832df322defc20d55d7620278c751a6139d5ded24f7df853c5a46f3da868
[INFO] running `"docker" "start" "-a" "d5e5832df322defc20d55d7620278c751a6139d5ded24f7df853c5a46f3da868"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling argv v0.1.0
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling ref-cast-impl v0.2.6
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling gflags-impl v0.3.1
[INFO] [stderr]    Compiling ref-cast v0.2.6
[INFO] [stderr]    Compiling inventory v0.1.3
[INFO] [stderr]    Compiling gflags v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:61:32
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn try_print_help(stream: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.54s
[INFO] running `"docker" "inspect" "d5e5832df322defc20d55d7620278c751a6139d5ded24f7df853c5a46f3da868"`
[INFO] running `"docker" "rm" "-f" "d5e5832df322defc20d55d7620278c751a6139d5ded24f7df853c5a46f3da868"`
[INFO] [stdout] d5e5832df322defc20d55d7620278c751a6139d5ded24f7df853c5a46f3da868
[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/gflags/0.3.1:/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] 93b3648f273562b16f8943ff3b3dabce34db2571d5a5797ec9855d35c34048ab
[INFO] running `"docker" "start" "-a" "93b3648f273562b16f8943ff3b3dabce34db2571d5a5797ec9855d35c34048ab"`
[INFO] [stderr]    Compiling gflags v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:61:32
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn try_print_help(stream: &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "93b3648f273562b16f8943ff3b3dabce34db2571d5a5797ec9855d35c34048ab"`
[INFO] running `"docker" "rm" "-f" "93b3648f273562b16f8943ff3b3dabce34db2571d5a5797ec9855d35c34048ab"`
[INFO] [stdout] 93b3648f273562b16f8943ff3b3dabce34db2571d5a5797ec9855d35c34048ab
[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/gflags/0.3.1:/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] 8641d58d6d6b2480823ac9903ccfaf85dd1adaf44d8b1c0db28133eaa87fb1b1
[INFO] running `"docker" "start" "-a" "8641d58d6d6b2480823ac9903ccfaf85dd1adaf44d8b1c0db28133eaa87fb1b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gflags-0b849211e8e5868c
[INFO] [stderr]    Doc-tests gflags
[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 12 tests
[INFO] [stdout] test src/lib.rs -  (line 186) ... ok
[INFO] [stdout] test src/lib.rs -  (line 58) ... ok
[INFO] [stdout] test src/help.rs - help::print_help_and_exit (line 15) ... ok
[INFO] [stdout] test src/lib.rs - define (line 282) ... ok
[INFO] [stdout] test src/lib.rs -  (line 144) ... ok
[INFO] [stdout] test src/lib.rs -  (line 116) ... ok
[INFO] [stdout] test src/lib.rs -  (line 92) ... ok
[INFO] [stdout] test src/custom.rs - custom (line 11) ... ok
[INFO] [stdout] test src/lib.rs - define (line 293) ... ok
[INFO] [stdout] test src/lib.rs - define (line 303) ... ok
[INFO] [stdout] test src/parse.rs - parse::parse (line 26) ... ok
[INFO] [stdout] test src/state.rs - state::Flag (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8641d58d6d6b2480823ac9903ccfaf85dd1adaf44d8b1c0db28133eaa87fb1b1"`
[INFO] running `"docker" "rm" "-f" "8641d58d6d6b2480823ac9903ccfaf85dd1adaf44d8b1c0db28133eaa87fb1b1"`
[INFO] [stdout] 8641d58d6d6b2480823ac9903ccfaf85dd1adaf44d8b1c0db28133eaa87fb1b1