[INFO] fetching crate ldtk 0.4.1...
[INFO] testing ldtk-0.4.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ldtk 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ldtk 0.4.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate crates.io crate ldtk 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sluice v0.5.4
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cadb31c6e3ec7e84b3e7f1a76c91f1417baeab0f7fd70637a15e53fbc5776c77
[INFO] running `Command { std: "docker" "start" "-a" "cadb31c6e3ec7e84b3e7f1a76c91f1417baeab0f7fd70637a15e53fbc5776c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cadb31c6e3ec7e84b3e7f1a76c91f1417baeab0f7fd70637a15e53fbc5776c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadb31c6e3ec7e84b3e7f1a76c91f1417baeab0f7fd70637a15e53fbc5776c77", kill_on_drop: false }`
[INFO] [stdout] cadb31c6e3ec7e84b3e7f1a76c91f1417baeab0f7fd70637a15e53fbc5776c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d6f15e3d38e31f1a7916c193c1d1c85a4e05d1951edceb05f9ac1a76e7f0416
[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" "7d6f15e3d38e31f1a7916c193c1d1c85a4e05d1951edceb05f9ac1a76e7f0416", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[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 proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[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] error: aborting due to 2 previous errors
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7d6f15e3d38e31f1a7916c193c1d1c85a4e05d1951edceb05f9ac1a76e7f0416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6f15e3d38e31f1a7916c193c1d1c85a4e05d1951edceb05f9ac1a76e7f0416", kill_on_drop: false }`
[INFO] [stdout] 7d6f15e3d38e31f1a7916c193c1d1c85a4e05d1951edceb05f9ac1a76e7f0416