[INFO] updating cached repository https://github.com/AlmightyFloppyFish/leaf
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/AlmightyFloppyFish/leaf
[INFO] [stderr]    89dfffc..917d7f9  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 917d7f967e5b1a6d6abe2b4e0f7ce3f8c97c5b28
[INFO] checking AlmightyFloppyFish/leaf against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmightyFloppyFish%2Fleaf" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlmightyFloppyFish/leaf on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AlmightyFloppyFish/leaf
[INFO] finished tweaking git repo https://github.com/AlmightyFloppyFish/leaf
[INFO] tweaked toml for git repo https://github.com/AlmightyFloppyFish/leaf written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AlmightyFloppyFish/leaf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f742daf9f3dc22e1f8fb30064a308f9bd6d31df7ec8fb6cd7aa3a5ed6c3114a2
[INFO] running `"docker" "start" "-a" "f742daf9f3dc22e1f8fb30064a308f9bd6d31df7ec8fb6cd7aa3a5ed6c3114a2"`
[INFO] [stderr]     Checking leaf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Lambda`
[INFO] [stderr]   --> src/parser/index/translator.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Lambda(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `l`
[INFO] [stderr]   --> src/parser/index/translator.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     l: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tag_lambda`
[INFO] [stderr]   --> src/parser/index/translator.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn tag_lambda(&mut self, k: &'k str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lambda`
[INFO] [stderr]   --> src/parser/index/translator.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Lambda(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `l`
[INFO] [stderr]   --> src/parser/index/translator.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     l: usize,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tag_lambda`
[INFO] [stderr]   --> src/parser/index/translator.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn tag_lambda(&mut self, k: &'k str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `"docker" "inspect" "f742daf9f3dc22e1f8fb30064a308f9bd6d31df7ec8fb6cd7aa3a5ed6c3114a2"`
[INFO] running `"docker" "rm" "-f" "f742daf9f3dc22e1f8fb30064a308f9bd6d31df7ec8fb6cd7aa3a5ed6c3114a2"`
[INFO] [stdout] f742daf9f3dc22e1f8fb30064a308f9bd6d31df7ec8fb6cd7aa3a5ed6c3114a2