[INFO] fetching crate movingai 1.2.0...
[INFO] checking movingai-1.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate movingai 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate movingai 1.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate movingai 1.2.0
[INFO] finished tweaking crates.io crate movingai 1.2.0
[INFO] tweaked toml for crates.io crate movingai 1.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate movingai 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1c34b33e8968cb93613362851f8956989e740de2bb99421db600bd8c1c01c71
[INFO] running `Command { std: "docker" "start" "-a" "f1c34b33e8968cb93613362851f8956989e740de2bb99421db600bd8c1c01c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1c34b33e8968cb93613362851f8956989e740de2bb99421db600bd8c1c01c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c34b33e8968cb93613362851f8956989e740de2bb99421db600bd8c1c01c71", kill_on_drop: false }`
[INFO] [stdout] f1c34b33e8968cb93613362851f8956989e740de2bb99421db600bd8c1c01c71
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed56d012c5d15fae0ab0864cc449f342dcf4b227e29aab900d8b279e46c3b44e
[INFO] running `Command { std: "docker" "start" "-a" "ed56d012c5d15fae0ab0864cc449f342dcf4b227e29aab900d8b279e46c3b44e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking movingai v1.2.0 (/opt/rustwide/workdir)
[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]      |                      required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/ser.rs:2221:17
[INFO] [stdout]      |
[INFO] [stdout] 2221 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `serde_json::to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `movingai` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ed56d012c5d15fae0ab0864cc449f342dcf4b227e29aab900d8b279e46c3b44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed56d012c5d15fae0ab0864cc449f342dcf4b227e29aab900d8b279e46c3b44e", kill_on_drop: false }`
[INFO] [stdout] ed56d012c5d15fae0ab0864cc449f342dcf4b227e29aab900d8b279e46c3b44e