[INFO] fetching crate jiao-web 0.3.5...
[INFO] checking jiao-web-0.3.5 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate jiao-web 0.3.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate jiao-web 0.3.5 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jiao-web 0.3.5
[INFO] finished tweaking crates.io crate jiao-web 0.3.5
[INFO] tweaked toml for crates.io crate jiao-web 0.3.5 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jiao v0.3.5
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8a5c60172fa18ba0446852e44bfe2c4b7a23a711d6df64cd7e048374bd72516
[INFO] running `Command { std: "docker" "start" "-a" "a8a5c60172fa18ba0446852e44bfe2c4b7a23a711d6df64cd7e048374bd72516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8a5c60172fa18ba0446852e44bfe2c4b7a23a711d6df64cd7e048374bd72516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a5c60172fa18ba0446852e44bfe2c4b7a23a711d6df64cd7e048374bd72516", kill_on_drop: false }`
[INFO] [stdout] a8a5c60172fa18ba0446852e44bfe2c4b7a23a711d6df64cd7e048374bd72516
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 185b0fafacfe03954686fa22f0b1c9f5a4c14aca0db31647282d2374b0295175
[INFO] running `Command { std: "docker" "start" "-a" "185b0fafacfe03954686fa22f0b1c9f5a4c14aca0db31647282d2374b0295175", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking jiao v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking jiao-web v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: field `0` is never read
[INFO] [stdout]  --> src/error.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Error(String);
[INFO] [stdout]   |            ----- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Error(());
[INFO] [stdout]   |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `0` is never read
[INFO] [stdout]  --> src/error.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Error(String);
[INFO] [stdout]   |            ----- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     warnings,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Error(());
[INFO] [stdout]   |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jiao-web` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jiao-web` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "185b0fafacfe03954686fa22f0b1c9f5a4c14aca0db31647282d2374b0295175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "185b0fafacfe03954686fa22f0b1c9f5a4c14aca0db31647282d2374b0295175", kill_on_drop: false }`
[INFO] [stdout] 185b0fafacfe03954686fa22f0b1c9f5a4c14aca0db31647282d2374b0295175
