[INFO] updating cached repository https://github.com/mkpankov/serde_test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70195bd26a353f84d47732deda784905388f0fd9
[INFO] testing mkpankov/serde_test against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fserde_test" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/serde_test on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mkpankov/serde_test
[INFO] finished tweaking git repo https://github.com/mkpankov/serde_test
[INFO] tweaked toml for git repo https://github.com/mkpankov/serde_test written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mkpankov/serde_test already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cc079e0873cf8fc33f72bd97e0796c5199a2c5801fac62c7c7d46658d981c67
[INFO] running `"docker" "start" "-a" "3cc079e0873cf8fc33f72bd97e0796c5199a2c5801fac62c7c7d46658d981c67"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling lua52-sys v0.1.1
[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 hlua v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling serde_json v1.0.14
[INFO] [stderr]    Compiling serde_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `hlua::AnyLuaValue: serde::Serialize` is not satisfied
[INFO] [stderr]     --> src/main.rs:60:35
[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]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.14/src/ser.rs:2008:8
[INFO] [stderr]      |
[INFO] [stderr] 2008 |     T: ser::Serialize,
[INFO] [stderr]      |        -------------- required by this bound in `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" "3cc079e0873cf8fc33f72bd97e0796c5199a2c5801fac62c7c7d46658d981c67"`
[INFO] running `"docker" "rm" "-f" "3cc079e0873cf8fc33f72bd97e0796c5199a2c5801fac62c7c7d46658d981c67"`
[INFO] [stdout] 3cc079e0873cf8fc33f72bd97e0796c5199a2c5801fac62c7c7d46658d981c67