[INFO] cloning repository https://github.com/tostaylo/rust-portfolio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tostaylo/rust-portfolio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostaylo%2Frust-portfolio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostaylo%2Frust-portfolio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5da37937ae281e0e7fca7990ce43f30820dd6cf2
[INFO] checking tostaylo/rust-portfolio against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostaylo%2Frust-portfolio" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tostaylo/rust-portfolio 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 git repo https://github.com/tostaylo/rust-portfolio
[INFO] finished tweaking git repo https://github.com/tostaylo/rust-portfolio
[INFO] tweaked toml for git repo https://github.com/tostaylo/rust-portfolio written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tostaylo/rust-portfolio 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wee_alloc v0.4.5
[INFO] [stderr]   Downloaded rust-fel v0.1.2
[INFO] [stderr]   Downloaded memory_units v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f07e7c06c191f4127a246ee79cbbcd3421a1dc9c883bb3c1cf94ecf7cbc7dd4f
[INFO] running `Command { std: "docker" "start" "-a" "f07e7c06c191f4127a246ee79cbbcd3421a1dc9c883bb3c1cf94ecf7cbc7dd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07e7c06c191f4127a246ee79cbbcd3421a1dc9c883bb3c1cf94ecf7cbc7dd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07e7c06c191f4127a246ee79cbbcd3421a1dc9c883bb3c1cf94ecf7cbc7dd4f", kill_on_drop: false }`
[INFO] [stdout] f07e7c06c191f4127a246ee79cbbcd3421a1dc9c883bb3c1cf94ecf7cbc7dd4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0f0fd25b0c5e6db3d8a3d699d77c6a5493daabc7a263249489aba4c8137ff6c8
[INFO] running `Command { std: "docker" "start" "-a" "0f0fd25b0c5e6db3d8a3d699d77c6a5493daabc7a263249489aba4c8137ff6c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.45
[INFO] [stderr]     Checking rust-fel v0.1.2
[INFO] [stderr]     Checking rust-fel-portfolio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `show_themes` is never read
[INFO] [stdout]  --> src/main_component.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct MainState {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 9 |     show_themes: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MainState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/main_component.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Main {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     id: String,
[INFO] [stdout] 15 |     state: MainState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Main` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `show_themes` is never read
[INFO] [stdout]  --> src/main_component.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct MainState {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 9 |     show_themes: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MainState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/main_component.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Main {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     id: String,
[INFO] [stdout] 15 |     state: MainState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Main` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 6.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.68
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "0f0fd25b0c5e6db3d8a3d699d77c6a5493daabc7a263249489aba4c8137ff6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0fd25b0c5e6db3d8a3d699d77c6a5493daabc7a263249489aba4c8137ff6c8", kill_on_drop: false }`
[INFO] [stdout] 0f0fd25b0c5e6db3d8a3d699d77c6a5493daabc7a263249489aba4c8137ff6c8