[INFO] fetching crate html_gen 0.5.1...
[INFO] checking html_gen-0.5.1 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate html_gen 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate html_gen 0.5.1 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate html_gen 0.5.1
[INFO] finished tweaking crates.io crate html_gen 0.5.1
[INFO] tweaked toml for crates.io crate html_gen 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate html_gen 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded html_parser v0.4.2
[INFO] [stderr]   Downloaded filepath v0.1.1
[INFO] [stderr]   Downloaded rsass v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d72a61e01c9d249f30d631cd76b4c7860522817fb02c62ba85906e864f72f14c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d72a61e01c9d249f30d631cd76b4c7860522817fb02c62ba85906e864f72f14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d72a61e01c9d249f30d631cd76b4c7860522817fb02c62ba85906e864f72f14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72a61e01c9d249f30d631cd76b4c7860522817fb02c62ba85906e864f72f14c", kill_on_drop: false }`
[INFO] [stdout] d72a61e01c9d249f30d631cd76b4c7860522817fb02c62ba85906e864f72f14c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4ab22c75b67243d0c21e5af50f61453f7848f9ca93497c6b576daba0853a4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a4ab22c75b67243d0c21e5af50f61453f7848f9ca93497c6b576daba0853a4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking filepath v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rsass v0.13.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking html_parser v0.4.2
[INFO] [stderr]     Checking html_gen v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tags::HTMLTag`
[INFO] [stdout]  --> src/component/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::tags::HTMLTag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tags::HTMLTag`
[INFO] [stdout]  --> src/component/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::tags::HTMLTag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tags/tag.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut children = dom
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CharSeq`
[INFO] [stdout]  --> src/component/attr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CharSeq,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/component/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Number,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]  --> src/component/attr.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Boolean,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/component/attr.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Data,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/component/attr.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn from(kind: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_boolean`
[INFO] [stdout]   --> src/component/attr.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn is_boolean(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_key_value`
[INFO] [stdout]   --> src/component/attr.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn from_key_value(key_value: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_keys_values`
[INFO] [stdout]   --> src/component/attr.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn from_keys_values(keys_values: &str) -> Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_hashmap`
[INFO] [stdout]   --> src/component/attr.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn to_hashmap(c_attrs: Vec<ComponentAttr>) -> HashMap<String, AttrKind> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tags/tag.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut children = dom
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CharSeq`
[INFO] [stdout]  --> src/component/attr.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CharSeq,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/component/attr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Number,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Boolean`
[INFO] [stdout]  --> src/component/attr.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Boolean,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Data`
[INFO] [stdout]   --> src/component/attr.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Data,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/component/attr.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn from(kind: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_boolean`
[INFO] [stdout]   --> src/component/attr.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn is_boolean(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_key_value`
[INFO] [stdout]   --> src/component/attr.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn from_key_value(key_value: &str) -> Option<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_keys_values`
[INFO] [stdout]   --> src/component/attr.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn from_keys_values(keys_values: &str) -> Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_hashmap`
[INFO] [stdout]   --> src/component/attr.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn to_hashmap(c_attrs: Vec<ComponentAttr>) -> HashMap<String, AttrKind> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "2a4ab22c75b67243d0c21e5af50f61453f7848f9ca93497c6b576daba0853a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4ab22c75b67243d0c21e5af50f61453f7848f9ca93497c6b576daba0853a4d", kill_on_drop: false }`
[INFO] [stdout] 2a4ab22c75b67243d0c21e5af50f61453f7848f9ca93497c6b576daba0853a4d