[INFO] fetching crate html2md 0.2.9...
[INFO] checking html2md-0.2.9 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate html2md 0.2.9 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate html2md 0.2.9 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate html2md 0.2.9
[INFO] finished tweaking crates.io crate html2md 0.2.9
[INFO] tweaked toml for crates.io crate html2md 0.2.9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2094e3e0d25e4c7e487959699968361fb16efd372df26a62d22882c26d665d43
[INFO] running `"docker" "start" "-a" "2094e3e0d25e4c7e487959699968361fb16efd372df26a62d22882c26d665d43"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking html5ever v0.22.5
[INFO] [stderr]     Checking html2md v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:67
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn parse_html_custom(html: &str, custom: &HashMap<String, Box<TagHandlerFactory>>) -> String {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TagHandlerFactory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:93:86
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn walk(input: &Handle, result: &mut StructuredPrinter, custom: &HashMap<String, Box<TagHandlerFactory>>) {
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TagHandlerFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:27
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut handler : Box<TagHandler> = Box::new(DummyHandler::default());
[INFO] [stderr]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn TagHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:239:34
[INFO] [stderr]     |
[INFO] [stderr] 239 |     fn instantiate(&self) -> Box<TagHandler>;
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn TagHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:64:67
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn parse_html_custom(html: &str, custom: &HashMap<String, Box<TagHandlerFactory>>) -> String {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TagHandlerFactory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:93:86
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn walk(input: &Handle, result: &mut StructuredPrinter, custom: &HashMap<String, Box<TagHandlerFactory>>) {
[INFO] [stderr]    |                                                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TagHandlerFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:27
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut handler : Box<TagHandler> = Box::new(DummyHandler::default());
[INFO] [stderr]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn TagHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:239:34
[INFO] [stderr]     |
[INFO] [stderr] 239 |     fn instantiate(&self) -> Box<TagHandler>;
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn TagHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.72s
[INFO] running `"docker" "inspect" "2094e3e0d25e4c7e487959699968361fb16efd372df26a62d22882c26d665d43"`
[INFO] running `"docker" "rm" "-f" "2094e3e0d25e4c7e487959699968361fb16efd372df26a62d22882c26d665d43"`
[INFO] [stdout] 2094e3e0d25e4c7e487959699968361fb16efd372df26a62d22882c26d665d43