[INFO] updating cached repository rofrol/rust-json-pretty-format
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rofrol/rust-json-pretty-format
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rofrol/rust-json-pretty-format" "work/ex/beta-1.37-6/sources/1.36.0/gh/rofrol/rust-json-pretty-format"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rofrol/rust-json-pretty-format'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rofrol/rust-json-pretty-format" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rofrol/rust-json-pretty-format"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rofrol/rust-json-pretty-format'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46218b59511a1cde0616363a6e650ab07c4e911a
[INFO] sha for GitHub repo rofrol/rust-json-pretty-format: 46218b59511a1cde0616363a6e650ab07c4e911a
[INFO] validating manifest of rofrol/rust-json-pretty-format 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 rofrol/rust-json-pretty-format 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 rofrol/rust-json-pretty-format
[INFO] finished frobbing rofrol/rust-json-pretty-format
[INFO] frobbed toml for rofrol/rust-json-pretty-format written to work/ex/beta-1.37-6/sources/1.36.0/gh/rofrol/rust-json-pretty-format/Cargo.toml
[INFO] started frobbing rofrol/rust-json-pretty-format
[INFO] finished frobbing rofrol/rust-json-pretty-format
[INFO] frobbed toml for rofrol/rust-json-pretty-format written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rofrol/rust-json-pretty-format/Cargo.toml
[INFO] crate rofrol/rust-json-pretty-format already has a lockfile, it will not be regenerated
[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 rofrol/rust-json-pretty-format 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-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rofrol/rust-json-pretty-format:/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] a33b42b5615e2edd5d6879b605309d9205e05d06eab0b2dbb14c83dcc0146dc9
[INFO] running `"docker" "start" "-a" "a33b42b5615e2edd5d6879b605309d9205e05d06eab0b2dbb14c83dcc0146dc9"`
[INFO] [stderr]    Compiling rust-json-pretty-format v1.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn main() -> Result<(), 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 | ) -> Result<PathBuf, Box<Error>> {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "a33b42b5615e2edd5d6879b605309d9205e05d06eab0b2dbb14c83dcc0146dc9"`
[INFO] running `"docker" "rm" "-f" "a33b42b5615e2edd5d6879b605309d9205e05d06eab0b2dbb14c83dcc0146dc9"`
[INFO] [stdout] a33b42b5615e2edd5d6879b605309d9205e05d06eab0b2dbb14c83dcc0146dc9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rofrol/rust-json-pretty-format:/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] 340463f4982792ffb35f07c7691019adae715d814dbcdb24450a5b6646510c87
[INFO] running `"docker" "start" "-a" "340463f4982792ffb35f07c7691019adae715d814dbcdb24450a5b6646510c87"`
[INFO] [stderr]    Compiling rust-json-pretty-format v1.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn main() -> Result<(), 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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 | ) -> Result<PathBuf, Box<Error>> {
[INFO] [stderr]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "340463f4982792ffb35f07c7691019adae715d814dbcdb24450a5b6646510c87"`
[INFO] running `"docker" "rm" "-f" "340463f4982792ffb35f07c7691019adae715d814dbcdb24450a5b6646510c87"`
[INFO] [stdout] 340463f4982792ffb35f07c7691019adae715d814dbcdb24450a5b6646510c87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rofrol/rust-json-pretty-format:/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] dc90de933196dd29c45edab143ea53a69e7b8c2a0673dee911ac310d5b3d8c97
[INFO] running `"docker" "start" "-a" "dc90de933196dd29c45edab143ea53a69e7b8c2a0673dee911ac310d5b3d8c97"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_json_pretty_format-c471d640a10aed91
[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" "dc90de933196dd29c45edab143ea53a69e7b8c2a0673dee911ac310d5b3d8c97"`
[INFO] running `"docker" "rm" "-f" "dc90de933196dd29c45edab143ea53a69e7b8c2a0673dee911ac310d5b3d8c97"`
[INFO] [stdout] dc90de933196dd29c45edab143ea53a69e7b8c2a0673dee911ac310d5b3d8c97