[INFO] fetching crate ldtk 0.4.1...
[INFO] testing ldtk-0.4.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate ldtk 0.4.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ldtk 0.4.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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 isahc v1.3.1
[INFO] [stderr]   Downloaded curl v0.4.35
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27c79a422349e21db841466380861358c8f97169d9edd0cd06028a2006a3b114
[INFO] running `Command { std: "docker" "start" "-a" "27c79a422349e21db841466380861358c8f97169d9edd0cd06028a2006a3b114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c79a422349e21db841466380861358c8f97169d9edd0cd06028a2006a3b114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c79a422349e21db841466380861358c8f97169d9edd0cd06028a2006a3b114", kill_on_drop: false }`
[INFO] [stdout] 27c79a422349e21db841466380861358c8f97169d9edd0cd06028a2006a3b114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d999580975a086daca17aaaa732be7609762b3397aaa877eeefe166bd64f981d
[INFO] running `Command { std: "docker" "start" "-a" "d999580975a086daca17aaaa732be7609762b3397aaa877eeefe166bd64f981d", 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 serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[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" "d999580975a086daca17aaaa732be7609762b3397aaa877eeefe166bd64f981d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d999580975a086daca17aaaa732be7609762b3397aaa877eeefe166bd64f981d", kill_on_drop: false }`
[INFO] [stdout] d999580975a086daca17aaaa732be7609762b3397aaa877eeefe166bd64f981d