[INFO] updating cached repository ttaubert/tlc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ttaubert/tlc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ttaubert/tlc" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ttaubert/tlc"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ttaubert/tlc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ttaubert/tlc" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ttaubert/tlc"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ttaubert/tlc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67c247b16841078e16816362e96ef579b37f68ab
[INFO] sha for GitHub repo ttaubert/tlc: 67c247b16841078e16816362e96ef579b37f68ab
[INFO] validating manifest of ttaubert/tlc on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ttaubert/tlc on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ttaubert/tlc
[INFO] finished frobbing ttaubert/tlc
[INFO] frobbed toml for ttaubert/tlc written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ttaubert/tlc/Cargo.toml
[INFO] started frobbing ttaubert/tlc
[INFO] finished frobbing ttaubert/tlc
[INFO] frobbed toml for ttaubert/tlc written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ttaubert/tlc/Cargo.toml
[INFO] crate ttaubert/tlc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ttaubert/tlc against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ttaubert/tlc:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e1014a3b0f974a2ac31b8047694d7ea22d4319a267520e28fca1e4a2f03ae67
[INFO] running `"docker" "start" "-a" "2e1014a3b0f974a2ac31b8047694d7ea22d4319a267520e28fca1e4a2f03ae67"`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking itertools v0.7.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking tlc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `spec`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let spec = predicates.get(&spec_id).expect("Couldn't find predicate 'Spec'.");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_spec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spec`
[INFO] [stderr]   --> src/main.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let spec = predicates.get(&spec_id).expect("Couldn't find predicate 'Spec'.");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_spec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `"docker" "inspect" "2e1014a3b0f974a2ac31b8047694d7ea22d4319a267520e28fca1e4a2f03ae67"`
[INFO] running `"docker" "rm" "-f" "2e1014a3b0f974a2ac31b8047694d7ea22d4319a267520e28fca1e4a2f03ae67"`
[INFO] [stdout] 2e1014a3b0f974a2ac31b8047694d7ea22d4319a267520e28fca1e4a2f03ae67