[INFO] crate movingai 1.1.0 is already in cache
[INFO] testing movingai-1.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate movingai 1.1.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate movingai 1.1.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate movingai 1.1.0
[INFO] finished tweaking crates.io crate movingai 1.1.0
[INFO] tweaked toml for crates.io crate movingai 1.1.0 written to work/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate movingai 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] cb6a50aaeb97fef7dc678a0500a43821b558d9cd3e2923802408fbf49cfc441a
[INFO] running `"docker" "start" "-a" "cb6a50aaeb97fef7dc678a0500a43821b558d9cd3e2923802408fbf49cfc441a"`
[INFO] [stderr]    Compiling movingai v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "cb6a50aaeb97fef7dc678a0500a43821b558d9cd3e2923802408fbf49cfc441a"`
[INFO] running `"docker" "rm" "-f" "cb6a50aaeb97fef7dc678a0500a43821b558d9cd3e2923802408fbf49cfc441a"`
[INFO] [stdout] cb6a50aaeb97fef7dc678a0500a43821b558d9cd3e2923802408fbf49cfc441a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d530c9d7afcbd7ff060828f2e4f430442122217b3c79fc11b463948e45c97b25
[INFO] running `"docker" "start" "-a" "d530c9d7afcbd7ff060828f2e4f430442122217b3c79fc11b463948e45c97b25"`
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling movingai v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `movingai::MovingAiMap: serde::ser::Serialize` is not satisfied
[INFO] [stderr]   --> examples/into_json.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let serialized = serde_json::to_string(&map).unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `movingai::MovingAiMap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required by `serde_json::ser::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 `movingai`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d530c9d7afcbd7ff060828f2e4f430442122217b3c79fc11b463948e45c97b25"`
[INFO] running `"docker" "rm" "-f" "d530c9d7afcbd7ff060828f2e4f430442122217b3c79fc11b463948e45c97b25"`
[INFO] [stdout] d530c9d7afcbd7ff060828f2e4f430442122217b3c79fc11b463948e45c97b25