[INFO] updating cached repository jonmorehouse/jsonpp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonmorehouse/jsonpp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonmorehouse/jsonpp" "work/ex/beta-1.37-6/sources/1.36.0/gh/jonmorehouse/jsonpp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jonmorehouse/jsonpp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonmorehouse/jsonpp" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonmorehouse/jsonpp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonmorehouse/jsonpp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 158b27495575fb11b5e01991e4038198c94c5bf5
[INFO] sha for GitHub repo jonmorehouse/jsonpp: 158b27495575fb11b5e01991e4038198c94c5bf5
[INFO] validating manifest of jonmorehouse/jsonpp 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 jonmorehouse/jsonpp 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 jonmorehouse/jsonpp
[INFO] finished frobbing jonmorehouse/jsonpp
[INFO] frobbed toml for jonmorehouse/jsonpp written to work/ex/beta-1.37-6/sources/1.36.0/gh/jonmorehouse/jsonpp/Cargo.toml
[INFO] started frobbing jonmorehouse/jsonpp
[INFO] finished frobbing jonmorehouse/jsonpp
[INFO] frobbed toml for jonmorehouse/jsonpp written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonmorehouse/jsonpp/Cargo.toml
[INFO] crate jonmorehouse/jsonpp 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/jonmorehouse/jsonpp/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[INFO] the lockfile is outdated, regenerating it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] [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" "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 jonmorehouse/jsonpp 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jonmorehouse/jsonpp:/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] d7508e3d82f3f29730c4dc715987ad915e8605c2085274850700fdfa36e0901d
[INFO] running `"docker" "start" "-a" "d7508e3d82f3f29730c4dc715987ad915e8605c2085274850700fdfa36e0901d"`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling jsonpp v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "d7508e3d82f3f29730c4dc715987ad915e8605c2085274850700fdfa36e0901d"`
[INFO] running `"docker" "rm" "-f" "d7508e3d82f3f29730c4dc715987ad915e8605c2085274850700fdfa36e0901d"`
[INFO] [stdout] d7508e3d82f3f29730c4dc715987ad915e8605c2085274850700fdfa36e0901d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jonmorehouse/jsonpp:/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] 180aef4abdd32abf74fd44a5d8b037fac7ac9b0a465eacd43f5879373016172c
[INFO] running `"docker" "start" "-a" "180aef4abdd32abf74fd44a5d8b037fac7ac9b0a465eacd43f5879373016172c"`
[INFO] [stderr]    Compiling jsonpp v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "180aef4abdd32abf74fd44a5d8b037fac7ac9b0a465eacd43f5879373016172c"`
[INFO] running `"docker" "rm" "-f" "180aef4abdd32abf74fd44a5d8b037fac7ac9b0a465eacd43f5879373016172c"`
[INFO] [stdout] 180aef4abdd32abf74fd44a5d8b037fac7ac9b0a465eacd43f5879373016172c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jonmorehouse/jsonpp:/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] 10ff8c5c45ee7328e1c1b31d74dace874788a845ce7905729aee77f71706f472
[INFO] running `"docker" "start" "-a" "10ff8c5c45ee7328e1c1b31d74dace874788a845ce7905729aee77f71706f472"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jsonpp-776e30a1856d1a22
[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" "10ff8c5c45ee7328e1c1b31d74dace874788a845ce7905729aee77f71706f472"`
[INFO] running `"docker" "rm" "-f" "10ff8c5c45ee7328e1c1b31d74dace874788a845ce7905729aee77f71706f472"`
[INFO] [stdout] 10ff8c5c45ee7328e1c1b31d74dace874788a845ce7905729aee77f71706f472