[INFO] updating cached repository mime29/jsonapi_generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mime29/jsonapi_generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mime29/jsonapi_generator" "work/ex/beta-1.37-6/sources/1.36.0/gh/mime29/jsonapi_generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mime29/jsonapi_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mime29/jsonapi_generator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mime29/jsonapi_generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mime29/jsonapi_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f226f721dee560af9894a4eb353938056cd57256
[INFO] sha for GitHub repo mime29/jsonapi_generator: f226f721dee560af9894a4eb353938056cd57256
[INFO] validating manifest of mime29/jsonapi_generator 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 mime29/jsonapi_generator 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 mime29/jsonapi_generator
[INFO] finished frobbing mime29/jsonapi_generator
[INFO] frobbed toml for mime29/jsonapi_generator written to work/ex/beta-1.37-6/sources/1.36.0/gh/mime29/jsonapi_generator/Cargo.toml
[INFO] started frobbing mime29/jsonapi_generator
[INFO] finished frobbing mime29/jsonapi_generator
[INFO] frobbed toml for mime29/jsonapi_generator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mime29/jsonapi_generator/Cargo.toml
[INFO] crate mime29/jsonapi_generator 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mime29/jsonapi_generator against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mime29/jsonapi_generator:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 50fc6dc2a5a7021a8154e491866c9ca0117d71806f627d628fc1f182b2d0f437
[INFO] running `"docker" "start" "-a" "50fc6dc2a5a7021a8154e491866c9ca0117d71806f627d628fc1f182b2d0f437"`
[INFO] [stderr]    Compiling serde v1.0.25
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]    Compiling serde_json v1.0.8
[INFO] [stderr]    Compiling jsonapi_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:222:38
[INFO] [stderr]     |
[INFO] [stderr] 222 |             let c = match rels.entry((relationship_name)) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.55s
[INFO] running `"docker" "inspect" "50fc6dc2a5a7021a8154e491866c9ca0117d71806f627d628fc1f182b2d0f437"`
[INFO] running `"docker" "rm" "-f" "50fc6dc2a5a7021a8154e491866c9ca0117d71806f627d628fc1f182b2d0f437"`
[INFO] [stdout] 50fc6dc2a5a7021a8154e491866c9ca0117d71806f627d628fc1f182b2d0f437
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mime29/jsonapi_generator:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 697feab57441b3895a91e13888789839fcae093578ea293fbea2f56bbe93aeab
[INFO] running `"docker" "start" "-a" "697feab57441b3895a91e13888789839fcae093578ea293fbea2f56bbe93aeab"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling jsonapi_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:222:38
[INFO] [stderr]     |
[INFO] [stderr] 222 |             let c = match rels.entry((relationship_name)) {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "697feab57441b3895a91e13888789839fcae093578ea293fbea2f56bbe93aeab"`
[INFO] running `"docker" "rm" "-f" "697feab57441b3895a91e13888789839fcae093578ea293fbea2f56bbe93aeab"`
[INFO] [stdout] 697feab57441b3895a91e13888789839fcae093578ea293fbea2f56bbe93aeab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mime29/jsonapi_generator:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 19f66f4233b0b8e09a798ea078073659cb58d6bce99040cdd9a415a6df3f3e7f
[INFO] running `"docker" "start" "-a" "19f66f4233b0b8e09a798ea078073659cb58d6bce99040cdd9a415a6df3f3e7f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jsonapi_generator-37eea229b472d66e
[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" "19f66f4233b0b8e09a798ea078073659cb58d6bce99040cdd9a415a6df3f3e7f"`
[INFO] running `"docker" "rm" "-f" "19f66f4233b0b8e09a798ea078073659cb58d6bce99040cdd9a415a6df3f3e7f"`
[INFO] [stdout] 19f66f4233b0b8e09a798ea078073659cb58d6bce99040cdd9a415a6df3f3e7f