[INFO] updating cached repository amilajack/todo_list
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amilajack/todo_list
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/todo_list" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/amilajack/todo_list"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/amilajack/todo_list'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amilajack/todo_list" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/amilajack/todo_list"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/amilajack/todo_list'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 22d0d75306fdcff708dfeaaa67021d9c4e3cd6a9
[INFO] sha for GitHub repo amilajack/todo_list: 22d0d75306fdcff708dfeaaa67021d9c4e3cd6a9
[INFO] validating manifest of amilajack/todo_list on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amilajack/todo_list on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amilajack/todo_list
[INFO] finished frobbing amilajack/todo_list
[INFO] frobbed toml for amilajack/todo_list written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/amilajack/todo_list/Cargo.toml
[INFO] started frobbing amilajack/todo_list
[INFO] finished frobbing amilajack/todo_list
[INFO] frobbed toml for amilajack/todo_list written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/amilajack/todo_list/Cargo.toml
[INFO] crate amilajack/todo_list has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking amilajack/todo_list against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-0/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/amilajack/todo_list:/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 027bb105e8f41d97e906c06453c19caa846898c2cdcf7798ba702c6d4b06734c
[INFO] running `"docker" "start" "-a" "027bb105e8f41d97e906c06453c19caa846898c2cdcf7798ba702c6d4b06734c"`
[INFO] [stderr]     Checking todo_list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Task`
[INFO] [stderr]  --> src/todo_list.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Task {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Database`
[INFO] [stderr]  --> src/todo_list.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Database<Task> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/todo_list.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/todo_list.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn add(&mut self, name: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_all`
[INFO] [stderr]   --> src/todo_list.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_all(&self) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/todo_list.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get(&self, id: usize) -> &Task {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `delete`
[INFO] [stderr]   --> src/todo_list.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn delete(&mut self, id: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "027bb105e8f41d97e906c06453c19caa846898c2cdcf7798ba702c6d4b06734c"`
[INFO] running `"docker" "rm" "-f" "027bb105e8f41d97e906c06453c19caa846898c2cdcf7798ba702c6d4b06734c"`
[INFO] [stdout] 027bb105e8f41d97e906c06453c19caa846898c2cdcf7798ba702c6d4b06734c