[INFO] updating cached repository dalecgu/jd_comments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dalecgu/jd_comments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dalecgu/jd_comments" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dalecgu/jd_comments"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dalecgu/jd_comments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dalecgu/jd_comments" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/dalecgu/jd_comments"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/dalecgu/jd_comments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4cf98b2dae80266c9dcf0fc055afc88d64fae2a
[INFO] sha for GitHub repo dalecgu/jd_comments: f4cf98b2dae80266c9dcf0fc055afc88d64fae2a
[INFO] validating manifest of dalecgu/jd_comments on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dalecgu/jd_comments on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dalecgu/jd_comments
[INFO] finished frobbing dalecgu/jd_comments
[INFO] frobbed toml for dalecgu/jd_comments written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dalecgu/jd_comments/Cargo.toml
[INFO] started frobbing dalecgu/jd_comments
[INFO] finished frobbing dalecgu/jd_comments
[INFO] frobbed toml for dalecgu/jd_comments written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/dalecgu/jd_comments/Cargo.toml
[INFO] crate dalecgu/jd_comments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dalecgu/jd_comments against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/dalecgu/jd_comments:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 74cc741f0434a984b1808083bff9db28c1665beff7cbcd9a1e3276498cc51451
[INFO] running `"docker" "start" "-a" "74cc741f0434a984b1808083bff9db28c1665beff7cbcd9a1e3276498cc51451"`
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking atoi v0.2.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking textnonce v0.6.3
[INFO] [stderr]     Checking config v0.7.0
[INFO] [stderr]     Checking mysql_common v0.2.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking bson v0.10.0
[INFO] [stderr]     Checking mysql v12.0.3
[INFO] [stderr]     Checking mongodb v0.3.7
[INFO] [stderr]     Checking jd_comments v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:71:61
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn crawl(product_id: &str, page: u32) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:96:88
[INFO] [stderr]    |
[INFO] [stderr] 96 | fn process(content: &str, collection: &mongodb::coll::Collection) -> Result<usize, Box<Error>> {
[INFO] [stderr]    |                                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:71:61
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn crawl(product_id: &str, page: u32) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/main.rs:96:88
[INFO] [stderr]    |
[INFO] [stderr] 96 | fn process(content: &str, collection: &mongodb::coll::Collection) -> Result<usize, Box<Error>> {
[INFO] [stderr]    |                                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.62s
[INFO] running `"docker" "inspect" "74cc741f0434a984b1808083bff9db28c1665beff7cbcd9a1e3276498cc51451"`
[INFO] running `"docker" "rm" "-f" "74cc741f0434a984b1808083bff9db28c1665beff7cbcd9a1e3276498cc51451"`
[INFO] [stdout] 74cc741f0434a984b1808083bff9db28c1665beff7cbcd9a1e3276498cc51451