[INFO] updating cached repository VioletRainbows/converter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VioletRainbows/converter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VioletRainbows/converter" "work/ex/beta-1.38-1/sources/1.37.0/gh/VioletRainbows/converter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VioletRainbows/converter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VioletRainbows/converter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VioletRainbows/converter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VioletRainbows/converter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d81e7e1a68da5d623c6b1099ccbca2c4a33f9a35
[INFO] sha for GitHub repo VioletRainbows/converter: d81e7e1a68da5d623c6b1099ccbca2c4a33f9a35
[INFO] validating manifest of VioletRainbows/converter 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 VioletRainbows/converter 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 VioletRainbows/converter
[INFO] finished frobbing VioletRainbows/converter
[INFO] frobbed toml for VioletRainbows/converter written to work/ex/beta-1.38-1/sources/1.37.0/gh/VioletRainbows/converter/Cargo.toml
[INFO] started frobbing VioletRainbows/converter
[INFO] finished frobbing VioletRainbows/converter
[INFO] frobbed toml for VioletRainbows/converter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VioletRainbows/converter/Cargo.toml
[INFO] crate VioletRainbows/converter 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 VioletRainbows/converter 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/VioletRainbows/converter:/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] e261c148ac6d7adcbcb828649d8bb6687fcc43db4141f8b9dafd26e841b9836c
[INFO] running `"docker" "start" "-a" "e261c148ac6d7adcbcb828649d8bb6687fcc43db4141f8b9dafd26e841b9836c"`
[INFO] [stderr]    Compiling converter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Config<Box<Read>, Box<Write>> {
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Config<Box<Read>, Box<Write>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(args: &[String]) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:78
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn decode<R: Read, W: Write>(source: &mut R, dest: &mut W) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "e261c148ac6d7adcbcb828649d8bb6687fcc43db4141f8b9dafd26e841b9836c"`
[INFO] running `"docker" "rm" "-f" "e261c148ac6d7adcbcb828649d8bb6687fcc43db4141f8b9dafd26e841b9836c"`
[INFO] [stdout] e261c148ac6d7adcbcb828649d8bb6687fcc43db4141f8b9dafd26e841b9836c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/VioletRainbows/converter:/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] 5cdf2141606eb7c2e6f66bca0a2140c4a3d4aaf5e0342ea7f5766c13ad69e943
[INFO] running `"docker" "start" "-a" "5cdf2141606eb7c2e6f66bca0a2140c4a3d4aaf5e0342ea7f5766c13ad69e943"`
[INFO] [stderr]    Compiling converter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Config<Box<Read>, Box<Write>> {
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Config<Box<Read>, Box<Write>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:24:49
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(args: &[String]) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:78
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn decode<R: Read, W: Write>(source: &mut R, dest: &mut W) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "5cdf2141606eb7c2e6f66bca0a2140c4a3d4aaf5e0342ea7f5766c13ad69e943"`
[INFO] running `"docker" "rm" "-f" "5cdf2141606eb7c2e6f66bca0a2140c4a3d4aaf5e0342ea7f5766c13ad69e943"`
[INFO] [stdout] 5cdf2141606eb7c2e6f66bca0a2140c4a3d4aaf5e0342ea7f5766c13ad69e943
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/VioletRainbows/converter:/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] 4ec6d809bd6fdc9a40dd419b301d9f991d1d68219193b6fe19571f7fb4daa72f
[INFO] running `"docker" "start" "-a" "4ec6d809bd6fdc9a40dd419b301d9f991d1d68219193b6fe19571f7fb4daa72f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/converter-8110f83f2b84b27d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::it_decode_iso_8859_1_to_utf_8 ... ok
[INFO] [stdout] test test::it_decode ... 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" "4ec6d809bd6fdc9a40dd419b301d9f991d1d68219193b6fe19571f7fb4daa72f"`
[INFO] running `"docker" "rm" "-f" "4ec6d809bd6fdc9a40dd419b301d9f991d1d68219193b6fe19571f7fb4daa72f"`
[INFO] [stdout] 4ec6d809bd6fdc9a40dd419b301d9f991d1d68219193b6fe19571f7fb4daa72f