[INFO] updating cached repository swnb/blog-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/swnb/blog-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/swnb/blog-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/swnb/blog-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/swnb/blog-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/swnb/blog-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/swnb/blog-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/swnb/blog-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14b13c977ad4f3e5371428151470ded28581c5c5
[INFO] sha for GitHub repo swnb/blog-server: 14b13c977ad4f3e5371428151470ded28581c5c5
[INFO] validating manifest of swnb/blog-server on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swnb/blog-server on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing swnb/blog-server
[INFO] finished frobbing swnb/blog-server
[INFO] frobbed toml for swnb/blog-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/swnb/blog-server/Cargo.toml
[INFO] started frobbing swnb/blog-server
[INFO] finished frobbing swnb/blog-server
[INFO] frobbed toml for swnb/blog-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/swnb/blog-server/Cargo.toml
[INFO] crate swnb/blog-server already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing swnb/blog-server against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/swnb/blog-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] afcd0254368143936eca5741177cbcd5b2175b0d014fd780906da6d8422109ca
[INFO] running `"docker" "start" "-a" "afcd0254368143936eca5741177cbcd5b2175b0d014fd780906da6d8422109ca"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling copyless v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling actix-service v0.4.1
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling signal-hook v0.1.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling actix-utils v0.4.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.1
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling r2d2 v0.8.5
[INFO] [stderr]    Compiling actix-server-config v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling actix-threadpool v0.1.1
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling actix-rt v0.2.2
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-connect v0.2.0
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling actix-http v0.2.3
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling actix v0.8.3
[INFO] [stderr]    Compiling r2d2-diesel v1.0.0
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/crater/workdir)
[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: unused variable: `req`
[INFO] [stderr]   --> src/paper.rs:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn alive_check(req: &HttpRequest) -> impl Responder {
[INFO] [stderr]    |                ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] 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: 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: function is never used: `get_paper_tags`
[INFO] [stderr]   --> src/models/mod.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn get_paper_tags(param_id: &str) -> Result<Vec<String>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_relatad_paper_by_tag`
[INFO] [stderr]    --> src/models/mod.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn get_relatad_paper_by_tag(param_tag: &str) -> Result<Vec<String>, Error> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `connection_pool` should have an upper case name
[INFO] [stderr]   --> src/models/connect.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     static ref connection_pool:Pool = create_connection();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CONNECTION_POOL`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 26s
[INFO] running `"docker" "inspect" "afcd0254368143936eca5741177cbcd5b2175b0d014fd780906da6d8422109ca"`
[INFO] running `"docker" "rm" "-f" "afcd0254368143936eca5741177cbcd5b2175b0d014fd780906da6d8422109ca"`
[INFO] [stdout] afcd0254368143936eca5741177cbcd5b2175b0d014fd780906da6d8422109ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/swnb/blog-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] db4739b069a21b068310a56ccc2060637abeabefc755f754d2b6324450699ce1
[INFO] running `"docker" "start" "-a" "db4739b069a21b068310a56ccc2060637abeabefc755f754d2b6324450699ce1"`
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/crater/workdir)
[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: unused variable: `req`
[INFO] [stderr]   --> src/paper.rs:58:16
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn alive_check(req: &HttpRequest) -> impl Responder {
[INFO] [stderr]    |                ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] 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: 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: function is never used: `get_paper_tags`
[INFO] [stderr]   --> src/models/mod.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn get_paper_tags(param_id: &str) -> Result<Vec<String>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_relatad_paper_by_tag`
[INFO] [stderr]    --> src/models/mod.rs:100:1
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn get_relatad_paper_by_tag(param_tag: &str) -> Result<Vec<String>, Error> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `connection_pool` should have an upper case name
[INFO] [stderr]   --> src/models/connect.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     static ref connection_pool:Pool = create_connection();
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CONNECTION_POOL`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `"docker" "inspect" "db4739b069a21b068310a56ccc2060637abeabefc755f754d2b6324450699ce1"`
[INFO] running `"docker" "rm" "-f" "db4739b069a21b068310a56ccc2060637abeabefc755f754d2b6324450699ce1"`
[INFO] [stdout] db4739b069a21b068310a56ccc2060637abeabefc755f754d2b6324450699ce1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/swnb/blog-server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c8c187ede246d3d432e1e1193b83baf59544516efedf6c0eaaf7e230b833c141
[INFO] running `"docker" "start" "-a" "c8c187ede246d3d432e1e1193b83baf59544516efedf6c0eaaf7e230b833c141"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blog-20ef90ac19ce4b49
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test markdown_parser::html_parser::parser::test_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c8c187ede246d3d432e1e1193b83baf59544516efedf6c0eaaf7e230b833c141"`
[INFO] running `"docker" "rm" "-f" "c8c187ede246d3d432e1e1193b83baf59544516efedf6c0eaaf7e230b833c141"`
[INFO] [stdout] c8c187ede246d3d432e1e1193b83baf59544516efedf6c0eaaf7e230b833c141