Dec 17 18:57:20.490 INFO checking nathankleyn/jsonvalid against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:57:20.491 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:57:20.754 INFO [stdout] cb7c29924e2e1532fb8873cf8f85ce6b8b0042f083ed1189a77b263d39713d6a
Dec 17 18:57:20.761 INFO running `"docker" "start" "-a" "cb7c29924e2e1532fb8873cf8f85ce6b8b0042f083ed1189a77b263d39713d6a"`
Dec 17 18:57:21.689 INFO [stderr]    Compiling num-traits v0.2.0
Dec 17 18:57:21.689 INFO [stderr]    Compiling rustc-demangle v0.1.6
Dec 17 18:57:21.689 INFO [stderr]    Compiling serde v1.0.27
Dec 17 18:57:21.694 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 17 18:57:21.694 INFO [stderr]     Checking jsonvalid v0.1.1 (/opt/crater/workdir)
Dec 17 18:57:21.694 INFO [stderr]    Compiling remove_dir_all v0.3.0
Dec 17 18:57:22.022 INFO [stderr]    Compiling tempdir v0.3.6
Dec 17 18:57:22.045 INFO [stderr]     Checking backtrace v0.3.5
Dec 17 18:57:23.684 INFO [stderr]     Checking error-chain v0.11.0
Dec 17 18:57:24.460 INFO [stderr]    Compiling num-traits v0.1.43
Dec 17 18:57:32.338 INFO [stderr]    Compiling serde_json v1.0.9
Dec 17 18:57:32.338 INFO [stderr]    Compiling semver v0.8.0
Dec 17 18:57:36.588 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 17 18:57:40.222 INFO [stderr]    Compiling skeptic v0.13.2
Dec 17 18:57:44.113 INFO [stderr]    Compiling assert_cli v0.5.4
Dec 17 18:57:47.181 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.62s
Dec 17 18:57:48.984 INFO running `"docker" "inspect" "cb7c29924e2e1532fb8873cf8f85ce6b8b0042f083ed1189a77b263d39713d6a"`
Dec 17 18:57:49.322 INFO running `"docker" "rm" "-f" "cb7c29924e2e1532fb8873cf8f85ce6b8b0042f083ed1189a77b263d39713d6a"`
Dec 17 18:57:49.671 INFO [stdout] cb7c29924e2e1532fb8873cf8f85ce6b8b0042f083ed1189a77b263d39713d6a