[INFO] updating cached repository duxet/json-dereferencer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/duxet/json-dereferencer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/duxet/json-dereferencer" "work/ex/beta-1.38-1/sources/1.37.0/gh/duxet/json-dereferencer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/duxet/json-dereferencer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/duxet/json-dereferencer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/duxet/json-dereferencer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/duxet/json-dereferencer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a60b71f3cafba3c346edf8b7bd0cef08549505cb
[INFO] sha for GitHub repo duxet/json-dereferencer: a60b71f3cafba3c346edf8b7bd0cef08549505cb
[INFO] validating manifest of duxet/json-dereferencer on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of duxet/json-dereferencer on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing duxet/json-dereferencer
[INFO] finished frobbing duxet/json-dereferencer
[INFO] frobbed toml for duxet/json-dereferencer written to work/ex/beta-1.38-1/sources/1.37.0/gh/duxet/json-dereferencer/Cargo.toml
[INFO] started frobbing duxet/json-dereferencer
[INFO] finished frobbing duxet/json-dereferencer
[INFO] frobbed toml for duxet/json-dereferencer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/duxet/json-dereferencer/Cargo.toml
[INFO] crate duxet/json-dereferencer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing duxet/json-dereferencer against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/duxet/json-dereferencer:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f5a484f5ae7db9faf5bb9bba72c73df9a6a8e19c46fb55996eac8a7b924aad5b
[INFO] running `"docker" "start" "-a" "f5a484f5ae7db9faf5bb9bba72c73df9a6a8e19c46fb55996eac8a7b924aad5b"`
[INFO] [stderr]    Compiling serde v1.0.2
[INFO] [stderr]    Compiling clap v2.23.2
[INFO] [stderr]    Compiling serde_json v1.0.1
[INFO] [stderr]    Compiling json-dereferencer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.95s
[INFO] running `"docker" "inspect" "f5a484f5ae7db9faf5bb9bba72c73df9a6a8e19c46fb55996eac8a7b924aad5b"`
[INFO] running `"docker" "rm" "-f" "f5a484f5ae7db9faf5bb9bba72c73df9a6a8e19c46fb55996eac8a7b924aad5b"`
[INFO] [stdout] f5a484f5ae7db9faf5bb9bba72c73df9a6a8e19c46fb55996eac8a7b924aad5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/duxet/json-dereferencer:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30a6eb86c10e7aa9e635a9bad4f3ea38e42b267e4705ec09751b97eb6617b89c
[INFO] running `"docker" "start" "-a" "30a6eb86c10e7aa9e635a9bad4f3ea38e42b267e4705ec09751b97eb6617b89c"`
[INFO] [stderr]    Compiling json-dereferencer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "30a6eb86c10e7aa9e635a9bad4f3ea38e42b267e4705ec09751b97eb6617b89c"`
[INFO] running `"docker" "rm" "-f" "30a6eb86c10e7aa9e635a9bad4f3ea38e42b267e4705ec09751b97eb6617b89c"`
[INFO] [stdout] 30a6eb86c10e7aa9e635a9bad4f3ea38e42b267e4705ec09751b97eb6617b89c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/duxet/json-dereferencer:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 740686b19e05dff6d8048c08f8bf19b6db46a5624272909d925612d01fb6a16d
[INFO] running `"docker" "start" "-a" "740686b19e05dff6d8048c08f8bf19b6db46a5624272909d925612d01fb6a16d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_dereferencer-d9a4a5cd91cd5995
[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" "740686b19e05dff6d8048c08f8bf19b6db46a5624272909d925612d01fb6a16d"`
[INFO] running `"docker" "rm" "-f" "740686b19e05dff6d8048c08f8bf19b6db46a5624272909d925612d01fb6a16d"`
[INFO] [stdout] 740686b19e05dff6d8048c08f8bf19b6db46a5624272909d925612d01fb6a16d