[INFO] fetching crate tiled 0.9.3...
[INFO] checking tiled-0.9.3 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate tiled 0.9.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tiled 0.9.3 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiled 0.9.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tiled 0.9.3
[INFO] tweaked toml for crates.io crate tiled 0.9.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate tiled 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d661d9e07ee4d75d60e59602b699a51ba97872a84cf47df73b8672f7581b874c
[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" "d661d9e07ee4d75d60e59602b699a51ba97872a84cf47df73b8672f7581b874c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d661d9e07ee4d75d60e59602b699a51ba97872a84cf47df73b8672f7581b874c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d661d9e07ee4d75d60e59602b699a51ba97872a84cf47df73b8672f7581b874c", kill_on_drop: false }`
[INFO] [stdout] d661d9e07ee4d75d60e59602b699a51ba97872a84cf47df73b8672f7581b874c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ebf6c9185d0dc6f0458b6928b25c62c87ad7a6e4571ccc874ec0c96b004ba8c
[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" "6ebf6c9185d0dc6f0458b6928b25c62c87ad7a6e4571ccc874ec0c96b004ba8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Checking tiled v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]     --> src/lib.rs:1067:5
[INFO] [stdout]      |
[INFO] [stdout] 1067 |     width: u32,
[INFO] [stdout]      |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]     --> src/lib.rs:1067:5
[INFO] [stdout]      |
[INFO] [stdout] 1067 |     width: u32,
[INFO] [stdout]      |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "6ebf6c9185d0dc6f0458b6928b25c62c87ad7a6e4571ccc874ec0c96b004ba8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebf6c9185d0dc6f0458b6928b25c62c87ad7a6e4571ccc874ec0c96b004ba8c", kill_on_drop: false }`
[INFO] [stdout] 6ebf6c9185d0dc6f0458b6928b25c62c87ad7a6e4571ccc874ec0c96b004ba8c