[INFO] updating cached repository mkpankov/serde_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkpankov/serde_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/serde_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/serde_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/serde_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkpankov/serde_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkpankov/serde_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkpankov/serde_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70195bd26a353f84d47732deda784905388f0fd9
[INFO] sha for GitHub repo mkpankov/serde_test: 70195bd26a353f84d47732deda784905388f0fd9
[INFO] validating manifest of mkpankov/serde_test on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mkpankov/serde_test on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mkpankov/serde_test
[INFO] finished frobbing mkpankov/serde_test
[INFO] frobbed toml for mkpankov/serde_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/serde_test/Cargo.toml
[INFO] started frobbing mkpankov/serde_test
[INFO] finished frobbing mkpankov/serde_test
[INFO] frobbed toml for mkpankov/serde_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkpankov/serde_test/Cargo.toml
[INFO] crate mkpankov/serde_test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mkpankov/serde_test against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkpankov/serde_test:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d7e5548cb4ada9adf84dc2a19389a3ed5996ae97285293d479c89ae12a7f9b7f
[INFO] running `"docker" "start" "-a" "d7e5548cb4ada9adf84dc2a19389a3ed5996ae97285293d479c89ae12a7f9b7f"`
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.14
[INFO] [stderr]    Compiling hlua v0.4.1
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling serde_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the trait bound `hlua::AnyLuaValue: serde::Serialize` is not satisfied
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let s = serde_json::to_string(&value);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^ the trait `serde::Serialize` is not implemented for `hlua::AnyLuaValue`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `serde_json::to_string`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `serde_test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d7e5548cb4ada9adf84dc2a19389a3ed5996ae97285293d479c89ae12a7f9b7f"`
[INFO] running `"docker" "rm" "-f" "d7e5548cb4ada9adf84dc2a19389a3ed5996ae97285293d479c89ae12a7f9b7f"`
[INFO] [stdout] d7e5548cb4ada9adf84dc2a19389a3ed5996ae97285293d479c89ae12a7f9b7f