[INFO] fetching crate rs-tiled_json 0.1.0...
[INFO] testing rs-tiled_json-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rs-tiled_json 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rs-tiled_json 0.1.0 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 rs-tiled_json 0.1.0
[INFO] finished tweaking crates.io crate rs-tiled_json 0.1.0
[INFO] tweaked toml for crates.io crate rs-tiled_json 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7edee144e873ae3cbe8d9dc3ae66eda46896cee9c5a4d953a75066ddaa139090
[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" "7edee144e873ae3cbe8d9dc3ae66eda46896cee9c5a4d953a75066ddaa139090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7edee144e873ae3cbe8d9dc3ae66eda46896cee9c5a4d953a75066ddaa139090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edee144e873ae3cbe8d9dc3ae66eda46896cee9c5a4d953a75066ddaa139090", kill_on_drop: false }`
[INFO] [stdout] 7edee144e873ae3cbe8d9dc3ae66eda46896cee9c5a4d953a75066ddaa139090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0873ea60652fd64cacb4f7097c04c3b87ca655c81c0342d4bab8fa2a8d408b49
[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" "0873ea60652fd64cacb4f7097c04c3b87ca655c81c0342d4bab8fa2a8d408b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling rs-tiled_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/layerreader.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout] 6   | use serde::export::TryFrom;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rs-tiled_json` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0873ea60652fd64cacb4f7097c04c3b87ca655c81c0342d4bab8fa2a8d408b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0873ea60652fd64cacb4f7097c04c3b87ca655c81c0342d4bab8fa2a8d408b49", kill_on_drop: false }`
[INFO] [stdout] 0873ea60652fd64cacb4f7097c04c3b87ca655c81c0342d4bab8fa2a8d408b49