[INFO] fetching crate ldtk 0.4.1...
[INFO] checking ldtk-0.4.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ldtk 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ldtk 0.4.1
[INFO] finished tweaking crates.io crate ldtk 0.4.1
[INFO] tweaked toml for crates.io crate ldtk 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ldtk 0.4.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ldtk 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.14
[INFO] [stderr]   Downloaded futures-core v0.3.14
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded futures-channel v0.3.14
[INFO] [stderr]   Downloaded curl v0.4.35
[INFO] [stderr]   Downloaded isahc v1.3.1
[INFO] [stderr]   Downloaded curl-sys v0.4.42+curl-7.76.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ec6fa29b0d50b53a4b3cc3a724ebd3287f4805599e07a4aa8a22e2ecdda393
[INFO] running `Command { std: "docker" "start" "-a" "f0ec6fa29b0d50b53a4b3cc3a724ebd3287f4805599e07a4aa8a22e2ecdda393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ec6fa29b0d50b53a4b3cc3a724ebd3287f4805599e07a4aa8a22e2ecdda393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ec6fa29b0d50b53a4b3cc3a724ebd3287f4805599e07a4aa8a22e2ecdda393", kill_on_drop: false }`
[INFO] [stdout] f0ec6fa29b0d50b53a4b3cc3a724ebd3287f4805599e07a4aa8a22e2ecdda393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a049980564a7b37593e1537197c817bfc600123fa518c9e3174a7e95bc0ca74a
[INFO] running `Command { std: "docker" "start" "-a" "a049980564a7b37593e1537197c817bfc600123fa518c9e3174a7e95bc0ca74a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ldtk v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must specify an `ldtk-[version]` cargo feature or the `download-schema` feature to automatically download the latest schema version.
[INFO] [stdout]    --> build.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     compile_error!(
[INFO] [stdout] 131 | |         "You must specify an `ldtk-[version]` cargo feature or the `download-schema` feature \
[INFO] [stdout] 132 | |         to automatically download the latest schema version."
[INFO] [stdout] 133 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `ldtk_version` in this scope
[INFO] [stdout]    --> build.rs:158:59
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let version = std::env::var("LDTK_VERSION").unwrap_or(ldtk_version.to_string());
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ldtk` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a049980564a7b37593e1537197c817bfc600123fa518c9e3174a7e95bc0ca74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a049980564a7b37593e1537197c817bfc600123fa518c9e3174a7e95bc0ca74a", kill_on_drop: false }`
[INFO] [stdout] a049980564a7b37593e1537197c817bfc600123fa518c9e3174a7e95bc0ca74a