[INFO] updating cached repository https://github.com/swnb/blog-server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ccc32d8fb1ae465425d87e794e1314ebdac1dfb0
[INFO] checking swnb/blog-server against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswnb%2Fblog-server" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swnb/blog-server on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/swnb/blog-server
[INFO] finished tweaking git repo https://github.com/swnb/blog-server
[INFO] tweaked toml for git repo https://github.com/swnb/blog-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/swnb/blog-server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 50c70b0005bd6f3e573aad54e21e1db566d19fbbaf864563b1f67a00e60405d5
[INFO] running `"docker" "start" "-a" "50c70b0005bd6f3e573aad54e21e1db566d19fbbaf864563b1f67a00e60405d5"`
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[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/markdown_parser/html_parser/parser.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Callback = Box<Fn(&mut Dom)>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Dom)`
[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/markdown_parser/html_parser/parser.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Callback = Box<Fn(&mut Dom)>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Dom)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*attrs` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/markdown_parser/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |             if let Some(text) = attrs.get("text") {
[INFO] [stderr]    |                                 ----- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 48 |                 attrs.insert(String::from("text"), text.to_string());
[INFO] [stderr]    |                 ^^^^^ mutable borrow occurs here   ---- immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*attrs` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/markdown_parser/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |             if let Some(text) = attrs.get("text") {
[INFO] [stderr]    |                                 ----- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 48 |                 attrs.insert(String::from("text"), text.to_string());
[INFO] [stderr]    |                 ^^^^^ mutable borrow occurs here   ---- immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query_attrs`
[INFO] [stderr]   --> src/markdown_parser/html_parser/dom.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn query_attrs(&self) -> &HashMap<String, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query_children`
[INFO] [stderr]   --> src/markdown_parser/html_parser/dom.rs:47:2
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn query_children(&self) -> &Vec<Dom> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query_attrs`
[INFO] [stderr]   --> src/markdown_parser/html_parser/dom.rs:38:2
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn query_attrs(&self) -> &HashMap<String, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `query_children`
[INFO] [stderr]   --> src/markdown_parser/html_parser/dom.rs:47:2
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn query_children(&self) -> &Vec<Dom> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 12s
[INFO] running `"docker" "inspect" "50c70b0005bd6f3e573aad54e21e1db566d19fbbaf864563b1f67a00e60405d5"`
[INFO] running `"docker" "rm" "-f" "50c70b0005bd6f3e573aad54e21e1db566d19fbbaf864563b1f67a00e60405d5"`
[INFO] [stdout] 50c70b0005bd6f3e573aad54e21e1db566d19fbbaf864563b1f67a00e60405d5