[INFO] updating cached repository c-o-l-o-r/serde-json-issue
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/c-o-l-o-r/serde-json-issue
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/c-o-l-o-r/serde-json-issue" "work/ex/beta-1.37-6/sources/1.36.0/gh/c-o-l-o-r/serde-json-issue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/c-o-l-o-r/serde-json-issue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/c-o-l-o-r/serde-json-issue" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/c-o-l-o-r/serde-json-issue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/c-o-l-o-r/serde-json-issue'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 933d3807891c259da2a2c3508d2ce3cfadcbc95b
[INFO] sha for GitHub repo c-o-l-o-r/serde-json-issue: 933d3807891c259da2a2c3508d2ce3cfadcbc95b
[INFO] validating manifest of c-o-l-o-r/serde-json-issue 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 c-o-l-o-r/serde-json-issue 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 c-o-l-o-r/serde-json-issue
[INFO] finished frobbing c-o-l-o-r/serde-json-issue
[INFO] frobbed toml for c-o-l-o-r/serde-json-issue written to work/ex/beta-1.37-6/sources/1.36.0/gh/c-o-l-o-r/serde-json-issue/Cargo.toml
[INFO] started frobbing c-o-l-o-r/serde-json-issue
[INFO] finished frobbing c-o-l-o-r/serde-json-issue
[INFO] frobbed toml for c-o-l-o-r/serde-json-issue written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/c-o-l-o-r/serde-json-issue/Cargo.toml
[INFO] crate c-o-l-o-r/serde-json-issue 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 c-o-l-o-r/serde-json-issue 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-2/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/c-o-l-o-r/serde-json-issue:/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] e80189b69704144065e98d3fea0ed7ed53ecdab4809d6576d36cd9113f6be7d9
[INFO] running `"docker" "start" "-a" "e80189b69704144065e98d3fea0ed7ed53ecdab4809d6576d36cd9113f6be7d9"`
[INFO] [stderr]    Compiling serde-json-issue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "e80189b69704144065e98d3fea0ed7ed53ecdab4809d6576d36cd9113f6be7d9"`
[INFO] running `"docker" "rm" "-f" "e80189b69704144065e98d3fea0ed7ed53ecdab4809d6576d36cd9113f6be7d9"`
[INFO] [stdout] e80189b69704144065e98d3fea0ed7ed53ecdab4809d6576d36cd9113f6be7d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/c-o-l-o-r/serde-json-issue:/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] ec73ceef6df902451ebc9f21d91422f05b6378f1b97ca26f58ff997e9fa5d3f8
[INFO] running `"docker" "start" "-a" "ec73ceef6df902451ebc9f21d91422f05b6378f1b97ca26f58ff997e9fa5d3f8"`
[INFO] [stderr]    Compiling serde-json-issue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "ec73ceef6df902451ebc9f21d91422f05b6378f1b97ca26f58ff997e9fa5d3f8"`
[INFO] running `"docker" "rm" "-f" "ec73ceef6df902451ebc9f21d91422f05b6378f1b97ca26f58ff997e9fa5d3f8"`
[INFO] [stdout] ec73ceef6df902451ebc9f21d91422f05b6378f1b97ca26f58ff997e9fa5d3f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/c-o-l-o-r/serde-json-issue:/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] fb556b9bd3f47ab62fd1a8185ec44b915ce4f44567630924c24b555a2c0cb7f8
[INFO] running `"docker" "start" "-a" "fb556b9bd3f47ab62fd1a8185ec44b915ce4f44567630924c24b555a2c0cb7f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_json_issue-a321d38c47a5020c
[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" "fb556b9bd3f47ab62fd1a8185ec44b915ce4f44567630924c24b555a2c0cb7f8"`
[INFO] running `"docker" "rm" "-f" "fb556b9bd3f47ab62fd1a8185ec44b915ce4f44567630924c24b555a2c0cb7f8"`
[INFO] [stdout] fb556b9bd3f47ab62fd1a8185ec44b915ce4f44567630924c24b555a2c0cb7f8