[INFO] updating cached repository pietrovismara/rson
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pietrovismara/rson
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pietrovismara/rson" "work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pietrovismara/rson" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pietrovismara/rson"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pietrovismara/rson'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5bc049bd6ca234752113f9b47e99751f2bb708a3
[INFO] sha for GitHub repo pietrovismara/rson: 5bc049bd6ca234752113f9b47e99751f2bb708a3
[INFO] validating manifest of pietrovismara/rson 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 pietrovismara/rson 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 pietrovismara/rson
[INFO] finished frobbing pietrovismara/rson
[INFO] frobbed toml for pietrovismara/rson written to work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson/Cargo.toml
[INFO] started frobbing pietrovismara/rson
[INFO] finished frobbing pietrovismara/rson
[INFO] frobbed toml for pietrovismara/rson written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pietrovismara/rson/Cargo.toml
[INFO] crate pietrovismara/rson 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 pietrovismara/rson 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson:/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] 18476de5cdea2c456dbb957db148ccfb748edfab3ee7f581603c753932b48ce4
[INFO] running `"docker" "start" "-a" "18476de5cdea2c456dbb957db148ccfb748edfab3ee7f581603c753932b48ce4"`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling clap v2.19.3
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling rson v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "18476de5cdea2c456dbb957db148ccfb748edfab3ee7f581603c753932b48ce4"`
[INFO] running `"docker" "rm" "-f" "18476de5cdea2c456dbb957db148ccfb748edfab3ee7f581603c753932b48ce4"`
[INFO] [stdout] 18476de5cdea2c456dbb957db148ccfb748edfab3ee7f581603c753932b48ce4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson:/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] b72ed11bcc15cfc74dfb2ba99d2344d396ce29f0c95a056a8eb39941f494ef46
[INFO] running `"docker" "start" "-a" "b72ed11bcc15cfc74dfb2ba99d2344d396ce29f0c95a056a8eb39941f494ef46"`
[INFO] [stderr]    Compiling rson v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "b72ed11bcc15cfc74dfb2ba99d2344d396ce29f0c95a056a8eb39941f494ef46"`
[INFO] running `"docker" "rm" "-f" "b72ed11bcc15cfc74dfb2ba99d2344d396ce29f0c95a056a8eb39941f494ef46"`
[INFO] [stdout] b72ed11bcc15cfc74dfb2ba99d2344d396ce29f0c95a056a8eb39941f494ef46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/pietrovismara/rson:/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] 9743af9f496e0d8e58703c2ab1deb797052924cb5d1cbf47dd53eb9facec18ed
[INFO] running `"docker" "start" "-a" "9743af9f496e0d8e58703c2ab1deb797052924cb5d1cbf47dd53eb9facec18ed"`
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rson-05451a04dedf127e
[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" "9743af9f496e0d8e58703c2ab1deb797052924cb5d1cbf47dd53eb9facec18ed"`
[INFO] running `"docker" "rm" "-f" "9743af9f496e0d8e58703c2ab1deb797052924cb5d1cbf47dd53eb9facec18ed"`
[INFO] [stdout] 9743af9f496e0d8e58703c2ab1deb797052924cb5d1cbf47dd53eb9facec18ed