Sep 05 18:01:57.944 INFO checking nathankleyn/jsonvalid against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 18:01:57.944 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 18:01:57.944 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 18:01:58.296 INFO blam! 835ccc280983caedd72723601bc978c95130e703c2a7a12fa126c4c2305cd3a7
Sep 05 18:01:58.298 INFO running `"docker" "start" "-a" "835ccc280983caedd72723601bc978c95130e703c2a7a12fa126c4c2305cd3a7"`
Sep 05 18:02:00.013 INFO kablam! usermod: no changes
Sep 05 18:02:00.290 INFO kablam!    Compiling libc v0.2.36
Sep 05 18:02:00.290 INFO kablam!    Compiling num-traits v0.2.0
Sep 05 18:02:00.290 INFO kablam!    Compiling rustc-demangle v0.1.6
Sep 05 18:02:00.301 INFO kablam!    Compiling serde v1.0.27
Sep 05 18:02:00.301 INFO kablam!    Compiling same-file v0.1.3
Sep 05 18:02:00.301 INFO kablam!    Compiling bytecount v0.2.0
Sep 05 18:02:00.305 INFO kablam!     Checking difference v1.0.0
Sep 05 18:02:01.410 INFO kablam!     Checking encoding_rs v0.7.2
Sep 05 18:02:01.682 INFO kablam!     Checking clap v2.30.0
Sep 05 18:02:03.008 INFO kablam!    Compiling walkdir v1.0.7
Sep 05 18:02:03.015 INFO kablam!     Checking backtrace v0.3.5
Sep 05 18:02:03.096 INFO kablam!    Compiling remove_dir_all v0.3.0
Sep 05 18:02:05.238 INFO kablam!     Checking error-chain v0.11.0
Sep 05 18:02:08.274 INFO kablam!    Compiling backtrace-sys v0.1.16
Sep 05 18:02:08.362 INFO kablam!    Compiling rand v0.4.2
Sep 05 18:02:09.075 INFO kablam!    Compiling num-traits v0.1.43
Sep 05 18:02:17.785 INFO kablam!    Compiling tempdir v0.3.6
Sep 05 18:02:20.471 INFO kablam!     Checking jsonvalid v0.1.1 (file:///source)
Sep 05 18:02:27.218 INFO kablam!    Compiling semver v0.8.0
Sep 05 18:02:27.218 INFO kablam!    Compiling serde_json v1.0.9
Sep 05 18:02:30.150 INFO kablam!    Compiling cargo_metadata v0.3.3
Sep 05 18:02:31.886 INFO kablam!    Compiling skeptic v0.13.2
Sep 05 18:02:33.985 INFO kablam!    Compiling assert_cli v0.5.4
Sep 05 18:02:35.931 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 35.90s
Sep 05 18:02:35.938 INFO kablam! su: No module specific data is present
Sep 05 18:02:36.646 INFO running `"docker" "rm" "-f" "835ccc280983caedd72723601bc978c95130e703c2a7a12fa126c4c2305cd3a7"`
Sep 05 18:02:36.937 INFO blam! 835ccc280983caedd72723601bc978c95130e703c2a7a12fa126c4c2305cd3a7