[INFO] fetching crate ldtk 0.4.1...
[INFO] testing ldtk-0.4.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ldtk 0.4.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ldtk 0.4.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sluice v0.5.4
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded fastrand v1.4.1
[INFO] [stderr]   Downloaded tracing v0.1.25
[INFO] [stderr]   Downloaded isahc v1.3.1
[INFO] [stderr]   Downloaded curl v0.4.35
[INFO] [stderr]   Downloaded curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.6+1.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 376548e6581b57e9cb92911dd01eb37fa5a98a2a3fdb51e661fe277556428249
[INFO] running `Command { std: "docker" "start" "-a" "376548e6581b57e9cb92911dd01eb37fa5a98a2a3fdb51e661fe277556428249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "376548e6581b57e9cb92911dd01eb37fa5a98a2a3fdb51e661fe277556428249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376548e6581b57e9cb92911dd01eb37fa5a98a2a3fdb51e661fe277556428249", kill_on_drop: false }`
[INFO] [stdout] 376548e6581b57e9cb92911dd01eb37fa5a98a2a3fdb51e661fe277556428249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62d0f0c572dd4d1d270982970275efc1474454558ebd33df94664dc4f1202e2e
[INFO] running `Command { std: "docker" "start" "-a" "62d0f0c572dd4d1d270982970275efc1474454558ebd33df94664dc4f1202e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[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" "62d0f0c572dd4d1d270982970275efc1474454558ebd33df94664dc4f1202e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d0f0c572dd4d1d270982970275efc1474454558ebd33df94664dc4f1202e2e", kill_on_drop: false }`
[INFO] [stdout] 62d0f0c572dd4d1d270982970275efc1474454558ebd33df94664dc4f1202e2e