[INFO] fetching crate utiles 0.2.0...
[INFO] checking utiles-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate utiles 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate utiles 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utiles 0.2.0
[INFO] finished tweaking crates.io crate utiles 0.2.0
[INFO] tweaked toml for crates.io crate utiles 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tilejson v0.3.4 (latest: v0.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_tuple v0.5.0
[INFO] [stderr]   Downloaded serde_tuple_macros v0.5.0
[INFO] [stderr]   Downloaded fast_hilbert v2.0.0
[INFO] [stderr]   Downloaded tilejson v0.3.4
[INFO] [stderr]   Downloaded geojson v0.24.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbf3bccc212044540de5c6fadc043fe2cd853d32165e84d7f4f916353a3c2d30
[INFO] running `Command { std: "docker" "start" "-a" "cbf3bccc212044540de5c6fadc043fe2cd853d32165e84d7f4f916353a3c2d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf3bccc212044540de5c6fadc043fe2cd853d32165e84d7f4f916353a3c2d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf3bccc212044540de5c6fadc043fe2cd853d32165e84d7f4f916353a3c2d30", kill_on_drop: false }`
[INFO] [stdout] cbf3bccc212044540de5c6fadc043fe2cd853d32165e84d7f4f916353a3c2d30
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98474fbf13b544a0556ce982018c932437d12e04188deb2d4834451fadc579f3
[INFO] running `Command { std: "docker" "start" "-a" "98474fbf13b544a0556ce982018c932437d12e04188deb2d4834451fadc579f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking geo-types v0.7.13
[INFO] [stderr]     Checking fast_hilbert v2.0.0
[INFO] [stderr]     Checking geojson v0.24.1
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]     Checking tilejson v0.3.4
[INFO] [stderr]     Checking utiles v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/tilejson.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/tilejson.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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` profile [unoptimized + debuginfo] target(s) in 11.52s
[INFO] running `Command { std: "docker" "inspect" "98474fbf13b544a0556ce982018c932437d12e04188deb2d4834451fadc579f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98474fbf13b544a0556ce982018c932437d12e04188deb2d4834451fadc579f3", kill_on_drop: false }`
[INFO] [stdout] 98474fbf13b544a0556ce982018c932437d12e04188deb2d4834451fadc579f3