Dec 19 12:01:51.953 INFO checking nathankleyn/jsonvalid against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:01:51.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/nathankleyn/jsonvalid:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:01:52.145 INFO [stdout] 06e17a34e732dacf192cefe69447513a674305378f2b4c45ee6a8b299bc2e458
Dec 19 12:01:52.147 INFO running `"docker" "start" "-a" "06e17a34e732dacf192cefe69447513a674305378f2b4c45ee6a8b299bc2e458"`
Dec 19 12:01:53.152 INFO [stderr]    Compiling rustc-demangle v0.1.6
Dec 19 12:01:53.152 INFO [stderr]    Compiling same-file v0.1.3
Dec 19 12:01:53.152 INFO [stderr]    Compiling bytecount v0.2.0
Dec 19 12:01:53.152 INFO [stderr]    Compiling semver v0.8.0
Dec 19 12:01:53.152 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 12:01:53.152 INFO [stderr]     Checking tempfile v2.2.0
Dec 19 12:01:53.152 INFO [stderr]     Checking jsonvalid v0.1.1 (/opt/crater/workdir)
Dec 19 12:01:53.444 INFO [stderr]    Compiling remove_dir_all v0.3.0
Dec 19 12:01:53.465 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 12:01:53.712 INFO [stderr]    Compiling tempdir v0.3.6
Dec 19 12:01:54.078 INFO [stderr]    Compiling walkdir v1.0.7
Dec 19 12:01:54.096 INFO [stderr]     Checking error-chain v0.11.0
Dec 19 12:01:55.577 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 19 12:01:57.651 INFO [stderr]    Compiling skeptic v0.13.2
Dec 19 12:02:01.146 INFO [stderr]    Compiling assert_cli v0.5.4
Dec 19 12:02:03.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
Dec 19 12:02:04.747 INFO running `"docker" "inspect" "06e17a34e732dacf192cefe69447513a674305378f2b4c45ee6a8b299bc2e458"`
Dec 19 12:02:04.974 INFO running `"docker" "rm" "-f" "06e17a34e732dacf192cefe69447513a674305378f2b4c45ee6a8b299bc2e458"`
Dec 19 12:02:05.304 INFO [stdout] 06e17a34e732dacf192cefe69447513a674305378f2b4c45ee6a8b299bc2e458