[INFO] fetching crate movingai 1.2.0...
[INFO] testing movingai-1.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate movingai 1.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate movingai 1.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9cdd924becea721150c07cb401e7f7bff750fef2509cf8e817ad0a337daf664
[INFO] running `Command { std: "docker" "start" "-a" "d9cdd924becea721150c07cb401e7f7bff750fef2509cf8e817ad0a337daf664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9cdd924becea721150c07cb401e7f7bff750fef2509cf8e817ad0a337daf664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cdd924becea721150c07cb401e7f7bff750fef2509cf8e817ad0a337daf664", kill_on_drop: false }`
[INFO] [stdout] d9cdd924becea721150c07cb401e7f7bff750fef2509cf8e817ad0a337daf664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db73227811379efc59cdc58740d3fbd2630e012a830cda72b39f63052d82ab60
[INFO] running `Command { std: "docker" "start" "-a" "db73227811379efc59cdc58740d3fbd2630e012a830cda72b39f63052d82ab60", kill_on_drop: false }`
[INFO] [stderr]    Compiling movingai v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "db73227811379efc59cdc58740d3fbd2630e012a830cda72b39f63052d82ab60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db73227811379efc59cdc58740d3fbd2630e012a830cda72b39f63052d82ab60", kill_on_drop: false }`
[INFO] [stdout] db73227811379efc59cdc58740d3fbd2630e012a830cda72b39f63052d82ab60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9b73c2c9afeab3694a5136479fcacde986529ff510bddb3e1af39a822919f96
[INFO] running `Command { std: "docker" "start" "-a" "b9b73c2c9afeab3694a5136479fcacde986529ff510bddb3e1af39a822919f96", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling 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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b9b73c2c9afeab3694a5136479fcacde986529ff510bddb3e1af39a822919f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b73c2c9afeab3694a5136479fcacde986529ff510bddb3e1af39a822919f96", kill_on_drop: false }`
[INFO] [stdout] b9b73c2c9afeab3694a5136479fcacde986529ff510bddb3e1af39a822919f96