[INFO] fetching crate web 0.2.12...
[INFO] checking web-0.2.12 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate web 0.2.12 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate web 0.2.12 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate web 0.2.12
[INFO] finished tweaking crates.io crate web 0.2.12
[INFO] tweaked toml for crates.io crate web 0.2.12 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js v0.5.7
[INFO] [stderr]   Downloaded html_color v0.0.0
[INFO] [stderr]   Downloaded globals v1.0.5
[INFO] [stderr]   Downloaded externref_polyfill v0.1.0
[INFO] [stderr]   Downloaded web_macro v0.0.3
[INFO] [stderr]   Downloaded woke v0.0.4
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d584985a0f480fe43427c6157261b6b9436fd4cbe02cd3ebc272dcbd3b34a19
[INFO] running `Command { std: "docker" "start" "-a" "8d584985a0f480fe43427c6157261b6b9436fd4cbe02cd3ebc272dcbd3b34a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d584985a0f480fe43427c6157261b6b9436fd4cbe02cd3ebc272dcbd3b34a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d584985a0f480fe43427c6157261b6b9436fd4cbe02cd3ebc272dcbd3b34a19", kill_on_drop: false }`
[INFO] [stdout] 8d584985a0f480fe43427c6157261b6b9436fd4cbe02cd3ebc272dcbd3b34a19
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 210b3d8f42160a6f920e6ebca53c50388122f8a4fbe281c8ef3961eed68d313b
[INFO] running `Command { std: "docker" "start" "-a" "210b3d8f42160a6f920e6ebca53c50388122f8a4fbe281c8ef3961eed68d313b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking externref_polyfill v0.1.0
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking html_color v0.0.0
[INFO] [stderr]     Checking woke v0.0.4
[INFO] [stderr]     Checking globals v1.0.5
[INFO] [stderr]     Checking js v0.5.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling web_macro v0.0.3
[INFO] [stderr]     Checking web v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tag_name`
[INFO] [stdout]   --> src/web_component.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn custom_element_define<T>(tag_name: &str)
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tag_name`
[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: unused variable: `tag_name`
[INFO] [stdout]   --> src/web_component.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn custom_element_define<T>(tag_name: &str)
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tag_name`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.08s
[INFO] running `Command { std: "docker" "inspect" "210b3d8f42160a6f920e6ebca53c50388122f8a4fbe281c8ef3961eed68d313b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210b3d8f42160a6f920e6ebca53c50388122f8a4fbe281c8ef3961eed68d313b", kill_on_drop: false }`
[INFO] [stdout] 210b3d8f42160a6f920e6ebca53c50388122f8a4fbe281c8ef3961eed68d313b