[INFO] fetching crate html-types 0.4.0...
[INFO] checking html-types-0.4.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate html-types 0.4.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate html-types 0.4.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef8d08a12125cd36301bc2ecc037b360e3a6c9bdedd74326f108f57acfe9b6d
[INFO] running `Command { std: "docker" "start" "-a" "1ef8d08a12125cd36301bc2ecc037b360e3a6c9bdedd74326f108f57acfe9b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef8d08a12125cd36301bc2ecc037b360e3a6c9bdedd74326f108f57acfe9b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef8d08a12125cd36301bc2ecc037b360e3a6c9bdedd74326f108f57acfe9b6d", kill_on_drop: false }`
[INFO] [stdout] 1ef8d08a12125cd36301bc2ecc037b360e3a6c9bdedd74326f108f57acfe9b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8875007d44517de55e6d2bfb6a7fbe4ea8f851aaf71080c8a97091d84941c1a3
[INFO] running `Command { std: "docker" "start" "-a" "8875007d44517de55e6d2bfb6a7fbe4ea8f851aaf71080c8a97091d84941c1a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/tag.rs:41:45
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/tag.rs:41:45
[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 7.38s
[INFO] running `Command { std: "docker" "inspect" "8875007d44517de55e6d2bfb6a7fbe4ea8f851aaf71080c8a97091d84941c1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8875007d44517de55e6d2bfb6a7fbe4ea8f851aaf71080c8a97091d84941c1a3", kill_on_drop: false }`
[INFO] [stdout] 8875007d44517de55e6d2bfb6a7fbe4ea8f851aaf71080c8a97091d84941c1a3