[INFO] updating cached repository Posich/guessing_game_cust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Posich/guessing_game_cust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Posich/guessing_game_cust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Posich/guessing_game_cust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Posich/guessing_game_cust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Posich/guessing_game_cust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Posich/guessing_game_cust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Posich/guessing_game_cust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f744202bc95437f0d8a540b13ee0ae31cbf20f7a
[INFO] sha for GitHub repo Posich/guessing_game_cust: f744202bc95437f0d8a540b13ee0ae31cbf20f7a
[INFO] validating manifest of Posich/guessing_game_cust 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 Posich/guessing_game_cust 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 Posich/guessing_game_cust
[INFO] finished frobbing Posich/guessing_game_cust
[INFO] frobbed toml for Posich/guessing_game_cust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Posich/guessing_game_cust/Cargo.toml
[INFO] started frobbing Posich/guessing_game_cust
[INFO] finished frobbing Posich/guessing_game_cust
[INFO] frobbed toml for Posich/guessing_game_cust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Posich/guessing_game_cust/Cargo.toml
[INFO] crate Posich/guessing_game_cust 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Posich/guessing_game_cust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 Posich/guessing_game_cust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Posich/guessing_game_cust:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a2f74e26d746380cdb2cf5f00f5bb40d2a53e152a1e3f6c283791ae682e1a229
[INFO] running `"docker" "start" "-a" "a2f74e26d746380cdb2cf5f00f5bb40d2a53e152a1e3f6c283791ae682e1a229"`
[INFO] [stderr]    Compiling guessing_game_cust v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parseargs.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |     ExternErr((String, Box<Error>,)),
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `"docker" "inspect" "a2f74e26d746380cdb2cf5f00f5bb40d2a53e152a1e3f6c283791ae682e1a229"`
[INFO] running `"docker" "rm" "-f" "a2f74e26d746380cdb2cf5f00f5bb40d2a53e152a1e3f6c283791ae682e1a229"`
[INFO] [stdout] a2f74e26d746380cdb2cf5f00f5bb40d2a53e152a1e3f6c283791ae682e1a229
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Posich/guessing_game_cust:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 711c6ff910a9ba69b3251562b5ee2cc169f8449fb6603db1e596dcd40c87d365
[INFO] running `"docker" "start" "-a" "711c6ff910a9ba69b3251562b5ee2cc169f8449fb6603db1e596dcd40c87d365"`
[INFO] [stderr]    Compiling guessing_game_cust v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parseargs.rs:32:28
[INFO] [stderr]    |
[INFO] [stderr] 32 |     ExternErr((String, Box<Error>,)),
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "711c6ff910a9ba69b3251562b5ee2cc169f8449fb6603db1e596dcd40c87d365"`
[INFO] running `"docker" "rm" "-f" "711c6ff910a9ba69b3251562b5ee2cc169f8449fb6603db1e596dcd40c87d365"`
[INFO] [stdout] 711c6ff910a9ba69b3251562b5ee2cc169f8449fb6603db1e596dcd40c87d365
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Posich/guessing_game_cust:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] db2f46fa8f8bdb17a7cdb6c9ef8e3325a8129dc3f610067997ba54e0a950cf23
[INFO] running `"docker" "start" "-a" "db2f46fa8f8bdb17a7cdb6c9ef8e3325a8129dc3f610067997ba54e0a950cf23"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_cust-c462ef546307db71
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::input_parsing ... ok
[INFO] [stdout] test tests::parsearg_invalid_input ... ok
[INFO] [stdout] test tests::parsearg_nan ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game_cust-596308431cf853e0
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests guessing_game_cust
[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 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" "db2f46fa8f8bdb17a7cdb6c9ef8e3325a8129dc3f610067997ba54e0a950cf23"`
[INFO] running `"docker" "rm" "-f" "db2f46fa8f8bdb17a7cdb6c9ef8e3325a8129dc3f610067997ba54e0a950cf23"`
[INFO] [stdout] db2f46fa8f8bdb17a7cdb6c9ef8e3325a8129dc3f610067997ba54e0a950cf23