[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 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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5fe537fd31dc2465dfd29aa12fc6c3e375ce2838d68a01f97251516e92998fe9
[INFO] running `"docker" "start" "-a" "5fe537fd31dc2465dfd29aa12fc6c3e375ce2838d68a01f97251516e92998fe9"`
[INFO] [stderr]    Compiling serde v1.0.25
[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 15.10s
[INFO] running `"docker" "inspect" "5fe537fd31dc2465dfd29aa12fc6c3e375ce2838d68a01f97251516e92998fe9"`
[INFO] running `"docker" "rm" "-f" "5fe537fd31dc2465dfd29aa12fc6c3e375ce2838d68a01f97251516e92998fe9"`
[INFO] [stdout] 5fe537fd31dc2465dfd29aa12fc6c3e375ce2838d68a01f97251516e92998fe9
[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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3dad44f5b1e3740a7325c6c886e3afa6586663492a93f0bb1068370e1b9d73dc
[INFO] running `"docker" "start" "-a" "3dad44f5b1e3740a7325c6c886e3afa6586663492a93f0bb1068370e1b9d73dc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.05s
[INFO] running `"docker" "inspect" "3dad44f5b1e3740a7325c6c886e3afa6586663492a93f0bb1068370e1b9d73dc"`
[INFO] running `"docker" "rm" "-f" "3dad44f5b1e3740a7325c6c886e3afa6586663492a93f0bb1068370e1b9d73dc"`
[INFO] [stdout] 3dad44f5b1e3740a7325c6c886e3afa6586663492a93f0bb1068370e1b9d73dc
[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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 58d4a7b4624845070a58e45d4af48e65c128d30daffd82a9d272e59fcb70e970
[INFO] running `"docker" "start" "-a" "58d4a7b4624845070a58e45d4af48e65c128d30daffd82a9d272e59fcb70e970"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jsonapi_generator-84e8264f9b310f41
[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" "58d4a7b4624845070a58e45d4af48e65c128d30daffd82a9d272e59fcb70e970"`
[INFO] running `"docker" "rm" "-f" "58d4a7b4624845070a58e45d4af48e65c128d30daffd82a9d272e59fcb70e970"`
[INFO] [stdout] 58d4a7b4624845070a58e45d4af48e65c128d30daffd82a9d272e59fcb70e970