[INFO] fetching crate movingai 1.1.1...
[INFO] checking movingai-1.1.1 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate movingai 1.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate movingai 1.1.1 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate movingai 1.1.1
[INFO] finished tweaking crates.io crate movingai 1.1.1
[INFO] tweaked toml for crates.io crate movingai 1.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate movingai 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2323ed41e2a1dcabb742649600876b0aaf51cb38f79f53ddcd9ba721b8e5b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b2323ed41e2a1dcabb742649600876b0aaf51cb38f79f53ddcd9ba721b8e5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2323ed41e2a1dcabb742649600876b0aaf51cb38f79f53ddcd9ba721b8e5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2323ed41e2a1dcabb742649600876b0aaf51cb38f79f53ddcd9ba721b8e5b9", kill_on_drop: false }`
[INFO] [stdout] 5b2323ed41e2a1dcabb742649600876b0aaf51cb38f79f53ddcd9ba721b8e5b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddaeaf12b3e0f8acf66da08f114599e9543b5ca1caad8f39fcf8b9d32b41c338
[INFO] running `Command { std: "docker" "start" "-a" "ddaeaf12b3e0f8acf66da08f114599e9543b5ca1caad8f39fcf8b9d32b41c338", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking movingai v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stdout] error[E0277]: the trait bound `MovingAiMap: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> examples/into_json.rs:10:44
[INFO] [stdout]      |
[INFO] [stdout] 10   |     let serialized = serde_json::to_string(&map).unwrap();
[INFO] [stdout]      |                                            ^^^^ the trait `serde::ser::Serialize` is not implemented for `MovingAiMap`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.51/src/ser.rs:2224:17
[INFO] [stdout]      |
[INFO] [stdout] 2224 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 --------- required by this bound in `serde_json::to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `movingai`
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddaeaf12b3e0f8acf66da08f114599e9543b5ca1caad8f39fcf8b9d32b41c338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaeaf12b3e0f8acf66da08f114599e9543b5ca1caad8f39fcf8b9d32b41c338", kill_on_drop: false }`
[INFO] [stdout] ddaeaf12b3e0f8acf66da08f114599e9543b5ca1caad8f39fcf8b9d32b41c338