[INFO] fetching crate markdownrs 0.1.1-beta...
[INFO] checking markdownrs-0.1.1-beta against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate markdownrs 0.1.1-beta into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate markdownrs 0.1.1-beta
[INFO] finished tweaking crates.io crate markdownrs 0.1.1-beta
[INFO] tweaked toml for crates.io crate markdownrs 0.1.1-beta written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate markdownrs 0.1.1-beta on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae57040dfa24346f794c88539d713694eb30296b382364d7a91bd56b72e58276
[INFO] running `Command { std: "docker" "start" "-a" "ae57040dfa24346f794c88539d713694eb30296b382364d7a91bd56b72e58276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae57040dfa24346f794c88539d713694eb30296b382364d7a91bd56b72e58276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae57040dfa24346f794c88539d713694eb30296b382364d7a91bd56b72e58276", kill_on_drop: false }`
[INFO] [stdout] ae57040dfa24346f794c88539d713694eb30296b382364d7a91bd56b72e58276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4af0b15a0d4a4a5bca38da6cd933d555a8a04f7375d829750f9a0fc1014bba
[INFO] running `Command { std: "docker" "start" "-a" "bf4af0b15a0d4a4a5bca38da6cd933d555a8a04f7375d829750f9a0fc1014bba", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking markdownrs v0.1.1-beta (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `STX` is never used
[INFO] [stdout]  --> src/util.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const STX:char = '\u{0002}';  // Use STX ("Start of text") for start-of-placeholder
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ETX` is never used
[INFO] [stdout]  --> src/util.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const ETX:char = '\u{0003}'; // Use ETX ("End of text") for end-of-placeholder
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INLINE_PLACEHOLDER_PREFIX` is never used
[INFO] [stdout]  --> src/util.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INLINE_PLACEHOLDER_PREFIX: &str = "\u{0002}klzzwxh:";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INLINE_PLACEHOLDER_RE` is never used
[INFO] [stdout]  --> src/util.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const INLINE_PLACEHOLDER_RE: &str = "\u{0002}klzzwxh:([0-9]+)\u{0003}";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AMP_SUBSTITUTE` is never used
[INFO] [stdout]   --> src/util.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const AMP_SUBSTITUTE: &str = "\u{0002}amp\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HTML_PLACEHOLDER_START` is never used
[INFO] [stdout]   --> src/util.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const HTML_PLACEHOLDER_START: &str = "\u{0002}wzxhzdk:";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HTML_PLACEHOLDER_END` is never used
[INFO] [stdout]   --> src/util.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const HTML_PLACEHOLDER_END: &str = "\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HTML_PLACEHOLDER_RE` is never used
[INFO] [stdout]   --> src/util.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const HTML_PLACEHOLDER_RE: &str = "\u{0003}wzxhzdk:([0-9]+)\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_PLACEHOLDER_START` is never used
[INFO] [stdout]   --> src/util.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TAG_PLACEHOLDER_START: &str = "\u{0002}hzzhzkh:";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_PLACEHOLDER_END` is never used
[INFO] [stdout]   --> src/util.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TAG_PLACEHOLDER_END: &str = "\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Processor` is never used
[INFO] [stdout]   --> src/util.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Processor {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag` is never constructed
[INFO] [stdout]   --> src/util.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tag {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HtmlStash` is never constructed
[INFO] [stdout]   --> src/util.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct HtmlStash {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `store`, `reset`, `get_placeholder`, and `store_tag` are never used
[INFO] [stdout]   --> src/util.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl HtmlStash {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 35 |     pub fn new() -> HtmlStash{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn store(&mut self, html:String) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn get_placeholder(&self, key:&str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn store_tag(&mut self, tag:String, attrs:Vec<String>, left_index:u32, right_index:u32) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STX` is never used
[INFO] [stdout]  --> src/util.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const STX:char = '\u{0002}';  // Use STX ("Start of text") for start-of-placeholder
[INFO] [stdout]   |       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ETX` is never used
[INFO] [stdout]  --> src/util.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const ETX:char = '\u{0003}'; // Use ETX ("End of text") for end-of-placeholder
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INLINE_PLACEHOLDER_PREFIX` is never used
[INFO] [stdout]  --> src/util.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INLINE_PLACEHOLDER_PREFIX: &str = "\u{0002}klzzwxh:";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INLINE_PLACEHOLDER_RE` is never used
[INFO] [stdout]  --> src/util.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const INLINE_PLACEHOLDER_RE: &str = "\u{0002}klzzwxh:([0-9]+)\u{0003}";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `AMP_SUBSTITUTE` is never used
[INFO] [stdout]   --> src/util.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const AMP_SUBSTITUTE: &str = "\u{0002}amp\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HTML_PLACEHOLDER_START` is never used
[INFO] [stdout]   --> src/util.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const HTML_PLACEHOLDER_START: &str = "\u{0002}wzxhzdk:";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HTML_PLACEHOLDER_END` is never used
[INFO] [stdout]   --> src/util.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const HTML_PLACEHOLDER_END: &str = "\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HTML_PLACEHOLDER_RE` is never used
[INFO] [stdout]   --> src/util.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const HTML_PLACEHOLDER_RE: &str = "\u{0003}wzxhzdk:([0-9]+)\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_PLACEHOLDER_START` is never used
[INFO] [stdout]   --> src/util.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const TAG_PLACEHOLDER_START: &str = "\u{0002}hzzhzkh:";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_PLACEHOLDER_END` is never used
[INFO] [stdout]   --> src/util.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const TAG_PLACEHOLDER_END: &str = "\u{0003}";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Processor` is never used
[INFO] [stdout]   --> src/util.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Processor {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag` is never constructed
[INFO] [stdout]   --> src/util.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tag {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HtmlStash` is never constructed
[INFO] [stdout]   --> src/util.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct HtmlStash {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `store`, `reset`, `get_placeholder`, and `store_tag` are never used
[INFO] [stdout]   --> src/util.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl HtmlStash {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 35 |     pub fn new() -> HtmlStash{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn store(&mut self, html:String) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn reset(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn get_placeholder(&self, key:&str) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn store_tag(&mut self, tag:String, attrs:Vec<String>, left_index:u32, right_index:u32) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "bf4af0b15a0d4a4a5bca38da6cd933d555a8a04f7375d829750f9a0fc1014bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4af0b15a0d4a4a5bca38da6cd933d555a8a04f7375d829750f9a0fc1014bba", kill_on_drop: false }`
[INFO] [stdout] bf4af0b15a0d4a4a5bca38da6cd933d555a8a04f7375d829750f9a0fc1014bba