[INFO] updating cached repository heycam/json-describe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/heycam/json-describe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/heycam/json-describe" "work/ex/beta-1.37-6/sources/1.36.0/gh/heycam/json-describe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/heycam/json-describe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/heycam/json-describe" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heycam/json-describe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heycam/json-describe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee0e70e85a23f3223f65fb8740ec411b096e9128
[INFO] sha for GitHub repo heycam/json-describe: ee0e70e85a23f3223f65fb8740ec411b096e9128
[INFO] validating manifest of heycam/json-describe 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 heycam/json-describe 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 heycam/json-describe
[INFO] finished frobbing heycam/json-describe
[INFO] frobbed toml for heycam/json-describe written to work/ex/beta-1.37-6/sources/1.36.0/gh/heycam/json-describe/Cargo.toml
[INFO] started frobbing heycam/json-describe
[INFO] finished frobbing heycam/json-describe
[INFO] frobbed toml for heycam/json-describe written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/heycam/json-describe/Cargo.toml
[INFO] crate heycam/json-describe 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing heycam/json-describe 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-3/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/heycam/json-describe:/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] 5bd7217c2a41e66b6874ea451a26d4c2f1ec84eb4a2710ecf9b88197d17fbe7b
[INFO] running `"docker" "start" "-a" "5bd7217c2a41e66b6874ea451a26d4c2f1ec84eb4a2710ecf9b88197d17fbe7b"`
[INFO] [stderr]    Compiling json-tools v1.0.1 (https://github.com/heycam/json-tools?branch=num-str-fixes#df37dc8d)
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling json-describe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.76s
[INFO] running `"docker" "inspect" "5bd7217c2a41e66b6874ea451a26d4c2f1ec84eb4a2710ecf9b88197d17fbe7b"`
[INFO] running `"docker" "rm" "-f" "5bd7217c2a41e66b6874ea451a26d4c2f1ec84eb4a2710ecf9b88197d17fbe7b"`
[INFO] [stdout] 5bd7217c2a41e66b6874ea451a26d4c2f1ec84eb4a2710ecf9b88197d17fbe7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/heycam/json-describe:/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] 9ee5eccee9d2889a375bd81fc3d7b171eaf046fd08a11d5eb95cd2b6c1f4d86e
[INFO] running `"docker" "start" "-a" "9ee5eccee9d2889a375bd81fc3d7b171eaf046fd08a11d5eb95cd2b6c1f4d86e"`
[INFO] [stderr]    Compiling json-describe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "9ee5eccee9d2889a375bd81fc3d7b171eaf046fd08a11d5eb95cd2b6c1f4d86e"`
[INFO] running `"docker" "rm" "-f" "9ee5eccee9d2889a375bd81fc3d7b171eaf046fd08a11d5eb95cd2b6c1f4d86e"`
[INFO] [stdout] 9ee5eccee9d2889a375bd81fc3d7b171eaf046fd08a11d5eb95cd2b6c1f4d86e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/heycam/json-describe:/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] 374eeb7493a88d9fb6351619a4882b194f3d10dc911ad366dd5451947214c16a
[INFO] running `"docker" "start" "-a" "374eeb7493a88d9fb6351619a4882b194f3d10dc911ad366dd5451947214c16a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_describe-0a0f5a6d1c1b23f6
[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" "374eeb7493a88d9fb6351619a4882b194f3d10dc911ad366dd5451947214c16a"`
[INFO] running `"docker" "rm" "-f" "374eeb7493a88d9fb6351619a4882b194f3d10dc911ad366dd5451947214c16a"`
[INFO] [stdout] 374eeb7493a88d9fb6351619a4882b194f3d10dc911ad366dd5451947214c16a