[INFO] fetching crate html-types 0.4.0...
[INFO] checking html-types-0.4.0 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate html-types 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate html-types 0.4.0
[INFO] finished tweaking crates.io crate html-types 0.4.0
[INFO] tweaked toml for crates.io crate html-types 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate html-types 0.4.0 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate html-types 0.4.0 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded derive_more v0.99.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74
[INFO] running `Command { std: "docker" "start" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]     Checking html-types v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/semantic/class.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct InvalidClass(String);
[INFO] [stdout]   |            ------------ ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `InvalidClass` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/tag.rs:41:61
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub const unsafe fn create_unsafe(tag: &'static str) -> Tag {
[INFO] [stdout]    |                                             -------         ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub const unsafe fn create_unsafe(tag: &'static str) -> Tag<'static> {
[INFO] [stdout]    |                                                                +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/semantic/class.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct InvalidClass(String);
[INFO] [stdout]   |            ------------ ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `InvalidClass` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/tag.rs:41:61
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub const unsafe fn create_unsafe(tag: &'static str) -> Tag {
[INFO] [stdout]    |                                             -------         ^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub const unsafe fn create_unsafe(tag: &'static str) -> Tag<'static> {
[INFO] [stdout]    |                                                                +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74", kill_on_drop: false }`
[INFO] [stdout] 747a837ce2ca0b1e724eb43aadadd9c1a3c5d42e2ba683e33a1a7e026acb2d74
