[INFO] crate lua-kit 0.1.0 is already in cache
[INFO] extracting crate lua-kit 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/lua-kit/0.1.0
[INFO] extracting crate lua-kit 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lua-kit/0.1.0
[INFO] validating manifest of lua-kit-0.1.0 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 lua-kit-0.1.0 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 lua-kit-0.1.0
[INFO] finished frobbing lua-kit-0.1.0
[INFO] frobbed toml for lua-kit-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/lua-kit/0.1.0/Cargo.toml
[INFO] started frobbing lua-kit-0.1.0
[INFO] finished frobbing lua-kit-0.1.0
[INFO] frobbed toml for lua-kit-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/lua-kit/0.1.0/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 lua-kit-0.1.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/lua-kit/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b3cd8098ef1dac814a22c95207a707c82624ac5268fd3a176b5f8f15400cae81
[INFO] running `"docker" "start" "-a" "b3cd8098ef1dac814a22c95207a707c82624ac5268fd3a176b5f8f15400cae81"`
[INFO] [stderr]    Compiling lua-kit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/read.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn invalid<T, S: Into<Box<::std::error::Error + Send + Sync>>>(s: S) -> io::Result<T> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/read.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn read_all(&mut self, mut buf: &mut [u8]) -> io::Result<()> {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "b3cd8098ef1dac814a22c95207a707c82624ac5268fd3a176b5f8f15400cae81"`
[INFO] running `"docker" "rm" "-f" "b3cd8098ef1dac814a22c95207a707c82624ac5268fd3a176b5f8f15400cae81"`
[INFO] [stdout] b3cd8098ef1dac814a22c95207a707c82624ac5268fd3a176b5f8f15400cae81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/lua-kit/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dfff8ad2e6eef26c6e0a88c9031b571dcf21ff4110844e1c2c8cadc1280c7276
[INFO] running `"docker" "start" "-a" "dfff8ad2e6eef26c6e0a88c9031b571dcf21ff4110844e1c2c8cadc1280c7276"`
[INFO] [stderr]    Compiling lua-kit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/read.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn invalid<T, S: Into<Box<::std::error::Error + Send + Sync>>>(s: S) -> io::Result<T> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/read.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn read_all(&mut self, mut buf: &mut [u8]) -> io::Result<()> {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "dfff8ad2e6eef26c6e0a88c9031b571dcf21ff4110844e1c2c8cadc1280c7276"`
[INFO] running `"docker" "rm" "-f" "dfff8ad2e6eef26c6e0a88c9031b571dcf21ff4110844e1c2c8cadc1280c7276"`
[INFO] [stdout] dfff8ad2e6eef26c6e0a88c9031b571dcf21ff4110844e1c2c8cadc1280c7276
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/lua-kit/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4b19bb58fed10221f979be5d66849da14ba8426fd0795126e5aa3cd3f5d6d91a
[INFO] running `"docker" "start" "-a" "4b19bb58fed10221f979be5d66849da14ba8426fd0795126e5aa3cd3f5d6d91a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lua_kit-aefc307894dad992
[INFO] [stderr]    Doc-tests lua-kit
[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 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" "4b19bb58fed10221f979be5d66849da14ba8426fd0795126e5aa3cd3f5d6d91a"`
[INFO] running `"docker" "rm" "-f" "4b19bb58fed10221f979be5d66849da14ba8426fd0795126e5aa3cd3f5d6d91a"`
[INFO] [stdout] 4b19bb58fed10221f979be5d66849da14ba8426fd0795126e5aa3cd3f5d6d91a