[INFO] updating cached repository jht5945/prettyjson
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jht5945/prettyjson
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jht5945/prettyjson" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jht5945/prettyjson"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jht5945/prettyjson'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jht5945/prettyjson" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jht5945/prettyjson"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jht5945/prettyjson'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c2eb2de341947367be6b2e83b71db6e31e12fc6
[INFO] sha for GitHub repo jht5945/prettyjson: 1c2eb2de341947367be6b2e83b71db6e31e12fc6
[INFO] validating manifest of jht5945/prettyjson on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jht5945/prettyjson on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jht5945/prettyjson
[INFO] finished frobbing jht5945/prettyjson
[INFO] frobbed toml for jht5945/prettyjson written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jht5945/prettyjson/Cargo.toml
[INFO] started frobbing jht5945/prettyjson
[INFO] finished frobbing jht5945/prettyjson
[INFO] frobbed toml for jht5945/prettyjson written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/jht5945/prettyjson/Cargo.toml
[INFO] crate jht5945/prettyjson already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jht5945/prettyjson against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/jht5945/prettyjson:/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=forbid" "-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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e793bd8fee32dc08a886ced653319f3179306bfd5315741639c2c377edf5505e
[INFO] running `"docker" "start" "-a" "e793bd8fee32dc08a886ced653319f3179306bfd5315741639c2c377edf5505e"`
[INFO] [stderr]     Checking json v0.11.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rust_util v0.1.0 (https://github.com/jht5945/rust_util#610871e5)
[INFO] [stderr]     Checking prettyjson v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn read_to_string(read: &mut Read) -> XResult<String> {
[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:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn read_to_string(read: &mut Read) -> XResult<String> {
[INFO] [stderr]    |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "e793bd8fee32dc08a886ced653319f3179306bfd5315741639c2c377edf5505e"`
[INFO] running `"docker" "rm" "-f" "e793bd8fee32dc08a886ced653319f3179306bfd5315741639c2c377edf5505e"`
[INFO] [stdout] e793bd8fee32dc08a886ced653319f3179306bfd5315741639c2c377edf5505e