[INFO] fetching crate vtracer-webapp 0.4.0...
[INFO] checking vtracer-webapp-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate vtracer-webapp 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate vtracer-webapp 0.4.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vtracer-webapp 0.4.0
[INFO] finished tweaking crates.io crate vtracer-webapp 0.4.0
[INFO] tweaked toml for crates.io crate vtracer-webapp 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding console_log v0.2.2 (latest: v1.0.0)
[INFO] [stderr]       Adding flo_curves v0.3.1 (latest: v0.7.2)
[INFO] [stderr]       Adding itertools v0.8.2 (latest: v0.12.1)
[INFO] [stderr]       Adding roots v0.0.6 (latest: v0.0.8)
[INFO] [stderr]       Adding visioncortex v0.6.1 (latest: v0.8.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded visioncortex v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 118d19d2b0c62a08cb905a165b2e4e79343e15cb9a812088bc23812a66d2282f
[INFO] running `Command { std: "docker" "start" "-a" "118d19d2b0c62a08cb905a165b2e4e79343e15cb9a812088bc23812a66d2282f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "118d19d2b0c62a08cb905a165b2e4e79343e15cb9a812088bc23812a66d2282f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118d19d2b0c62a08cb905a165b2e4e79343e15cb9a812088bc23812a66d2282f", kill_on_drop: false }`
[INFO] [stdout] 118d19d2b0c62a08cb905a165b2e4e79343e15cb9a812088bc23812a66d2282f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8847ba14f65dfb957551ed492c434aa2306cd8446019db0af667271496475ff0
[INFO] running `Command { std: "docker" "start" "-a" "8847ba14f65dfb957551ed492c434aa2306cd8446019db0af667271496475ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking roots v0.0.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking flo_curves v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]     Checking visioncortex v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking console_log v0.2.2
[INFO] [stderr]     Checking vtracer-webapp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `binary_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use binary_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `color_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use color_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `binary_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use binary_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `color_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use color_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "8847ba14f65dfb957551ed492c434aa2306cd8446019db0af667271496475ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8847ba14f65dfb957551ed492c434aa2306cd8446019db0af667271496475ff0", kill_on_drop: false }`
[INFO] [stdout] 8847ba14f65dfb957551ed492c434aa2306cd8446019db0af667271496475ff0