[INFO] fetching crate movingai 1.1.0...
[INFO] checking movingai-1.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate movingai 1.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate movingai 1.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate movingai 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 035ee0c6f9c0aef405c0ebca9c0a78a04eab241c747c98c638a41aad894438ee
[INFO] running `"docker" "start" "-a" "035ee0c6f9c0aef405c0ebca9c0a78a04eab241c747c98c638a41aad894438ee"`
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking movingai v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr] error[E0277]: the trait bound `movingai::MovingAiMap: serde::ser::Serialize` is not satisfied
[INFO] [stderr]     --> examples/into_json.rs:10:44
[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]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.40/src/ser.rs:2224:8
[INFO] [stderr]      |
[INFO] [stderr] 2224 |     T: Serialize,
[INFO] [stderr]      |        --------- required by this bound in `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" "035ee0c6f9c0aef405c0ebca9c0a78a04eab241c747c98c638a41aad894438ee"`
[INFO] running `"docker" "rm" "-f" "035ee0c6f9c0aef405c0ebca9c0a78a04eab241c747c98c638a41aad894438ee"`
[INFO] [stdout] 035ee0c6f9c0aef405c0ebca9c0a78a04eab241c747c98c638a41aad894438ee