[INFO] updating cached repository LarryHsiao/diana
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LarryHsiao/diana
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LarryHsiao/diana" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/LarryHsiao/diana"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/LarryHsiao/diana'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LarryHsiao/diana" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/LarryHsiao/diana"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/LarryHsiao/diana'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 947a5737bd8dce994b80ce29afa309da711fbc6d
[INFO] sha for GitHub repo LarryHsiao/diana: 947a5737bd8dce994b80ce29afa309da711fbc6d
[INFO] validating manifest of LarryHsiao/diana on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LarryHsiao/diana on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LarryHsiao/diana
[INFO] finished frobbing LarryHsiao/diana
[INFO] frobbed toml for LarryHsiao/diana written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/LarryHsiao/diana/Cargo.toml
[INFO] started frobbing LarryHsiao/diana
[INFO] finished frobbing LarryHsiao/diana
[INFO] frobbed toml for LarryHsiao/diana written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/LarryHsiao/diana/Cargo.toml
[INFO] crate LarryHsiao/diana already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking LarryHsiao/diana against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/LarryHsiao/diana:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a3c3fd34756b68a0b8ad24df72b0a4342e82269404e2dfeb4bf480c557adcd6
[INFO] running `"docker" "start" "-a" "4a3c3fd34756b68a0b8ad24df72b0a4342e82269404e2dfeb4bf480c557adcd6"`
[INFO] [stderr]    Compiling sqlite3-src v0.2.10
[INFO] [stderr]     Checking sqlite3-sys v0.12.0
[INFO] [stderr]     Checking sqlite v0.24.0
[INFO] [stderr]     Checking diana v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]   --> src/sqlite_tagging/objects.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let statement = self.connection.prepare(
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_statement`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uri`
[INFO] [stderr]   --> src/sqlite_tagging/objects.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn add_object(&self, uri: &str) -> &Object {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_uri`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/sqlite_tagging/conn.rs:9:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | /         self.connection.execute(
[INFO] [stderr] 10 | |             "CREATE TABLE objects(uri TEXT UNIQUE);"
[INFO] [stderr] 11 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]   --> src/sqlite_tagging/objects.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let statement = self.connection.prepare(
[INFO] [stderr]    |             ^^^^^^^^^ help: consider prefixing with an underscore: `_statement`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uri`
[INFO] [stderr]   --> src/sqlite_tagging/objects.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn add_object(&self, uri: &str) -> &Object {
[INFO] [stderr]    |                          ^^^ help: consider prefixing with an underscore: `_uri`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/sqlite_tagging/conn.rs:9:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | /         self.connection.execute(
[INFO] [stderr] 10 | |             "CREATE TABLE objects(uri TEXT UNIQUE);"
[INFO] [stderr] 11 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> tests/edges/serde_json_test.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde_json::{Result, Value};
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `"docker" "inspect" "4a3c3fd34756b68a0b8ad24df72b0a4342e82269404e2dfeb4bf480c557adcd6"`
[INFO] running `"docker" "rm" "-f" "4a3c3fd34756b68a0b8ad24df72b0a4342e82269404e2dfeb4bf480c557adcd6"`
[INFO] [stdout] 4a3c3fd34756b68a0b8ad24df72b0a4342e82269404e2dfeb4bf480c557adcd6