[INFO] fetching crate markdown-that 0.7.1...
[INFO] checking markdown-that-0.7.1 against try#d1d7143153307f561233bd4d93e2a3b24157b081 for pr-151539-1
[INFO] extracting crate markdown-that 0.7.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate markdown-that 0.7.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate markdown-that 0.7.1
[INFO] tweaked toml for crates.io crate markdown-that 0.7.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markdown-that 0.7.1 on toolchain d1d7143153307f561233bd4d93e2a3b24157b081
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate markdown-that 0.7.1 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" "+d1d7143153307f561233bd4d93e2a3b24157b081" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62
[INFO] running `Command { std: "docker" "start" "f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62", 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" "f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62", 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" "f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]     Checking markdown-that v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::extension_set`
[INFO] [stdout]    --> src/parser/extset.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use super::extension_set;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/plugins/cmark/block/reference.rs:379:37
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 Some(' ' | '\t') => pos += 1,
[INFO] [stdout]     |                                     ^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 385 |                     pos = dest_end_pos;
[INFO] [stdout]     |                     ------------------ `pos` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/common/ruler.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/utils.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn unescape_all(str: &str) -> Cow<str> {
[INFO] [stdout]     |                          ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn unescape_all(str: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/utils.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn escape_html(str: &str) -> Cow<str> {
[INFO] [stdout]     |                         ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn escape_html(str: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/utils.rs:249:51
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn cut_right_whitespace_with_tabstops(source: &str, indent: i32) -> Cow<str> {
[INFO] [stdout]     |                                                   ^^^^                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn cut_right_whitespace_with_tabstops(source: &str, indent: i32) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/block/mod.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn add_rule<T: BlockRule>(&mut self) -> RuleBuilder<RuleFns> {
[INFO] [stdout]     |                                   ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn add_rule<T: BlockRule>(&mut self) -> RuleBuilder<'_, RuleFns> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/inline/mod.rs:142:36
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn add_rule<T: InlineRule>(&mut self) -> RuleBuilder<RuleFns> {
[INFO] [stdout]     |                                    ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn add_rule<T: InlineRule>(&mut self) -> RuleBuilder<'_, RuleFns> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/main.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add_rule<T: CoreRule>(&mut self) -> RuleBuilder<RuleFn> {
[INFO] [stdout]    |                                  ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add_rule<T: CoreRule>(&mut self) -> RuleBuilder<'_, RuleFn> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pos` is never read
[INFO] [stdout]    --> src/plugins/cmark/block/reference.rs:379:37
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 Some(' ' | '\t') => pos += 1,
[INFO] [stdout]     |                                     ^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 385 |                     pos = dest_end_pos;
[INFO] [stdout]     |                     ------------------ `pos` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/common/ruler.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/utils.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn unescape_all(str: &str) -> Cow<str> {
[INFO] [stdout]     |                          ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn unescape_all(str: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/utils.rs:132:25
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn escape_html(str: &str) -> Cow<str> {
[INFO] [stdout]     |                         ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn escape_html(str: &str) -> Cow<'_, str> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/common/utils.rs:249:51
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn cut_right_whitespace_with_tabstops(source: &str, indent: i32) -> Cow<str> {
[INFO] [stdout]     |                                                   ^^^^                  ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub fn cut_right_whitespace_with_tabstops(source: &str, indent: i32) -> Cow<'_, str> {
[INFO] [stdout]     |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/block/mod.rs:125:35
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn add_rule<T: BlockRule>(&mut self) -> RuleBuilder<RuleFns> {
[INFO] [stdout]     |                                   ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn add_rule<T: BlockRule>(&mut self) -> RuleBuilder<'_, RuleFns> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/inline/mod.rs:142:36
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn add_rule<T: InlineRule>(&mut self) -> RuleBuilder<RuleFns> {
[INFO] [stdout]     |                                    ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn add_rule<T: InlineRule>(&mut self) -> RuleBuilder<'_, RuleFns> {
[INFO] [stdout]     |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/main.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add_rule<T: CoreRule>(&mut self) -> RuleBuilder<RuleFn> {
[INFO] [stdout]    |                                  ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn add_rule<T: CoreRule>(&mut self) -> RuleBuilder<'_, RuleFn> {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.23s
[INFO] running `Command { std: "docker" "inspect" "f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62", kill_on_drop: false }`
[INFO] [stdout] f0e86ce6fffb66eea4475f43388335e4668b7064e9cd975f99bd590eacd0fa62
