[INFO] updating cached repository haumea-lang/haumea-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/haumea-lang/haumea-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/haumea-lang/haumea-rs" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/haumea-lang/haumea-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/haumea-lang/haumea-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/haumea-lang/haumea-rs" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/haumea-lang/haumea-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/haumea-lang/haumea-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b50ebe11ad0ec2e2b702016790b48c09c3950761
[INFO] sha for GitHub repo haumea-lang/haumea-rs: b50ebe11ad0ec2e2b702016790b48c09c3950761
[INFO] validating manifest of haumea-lang/haumea-rs on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of haumea-lang/haumea-rs on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing haumea-lang/haumea-rs
[INFO] finished frobbing haumea-lang/haumea-rs
[INFO] frobbed toml for haumea-lang/haumea-rs written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/haumea-lang/haumea-rs/Cargo.toml
[INFO] started frobbing haumea-lang/haumea-rs
[INFO] finished frobbing haumea-lang/haumea-rs
[INFO] frobbed toml for haumea-lang/haumea-rs written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/haumea-lang/haumea-rs/Cargo.toml
[INFO] crate haumea-lang/haumea-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking haumea-lang/haumea-rs against master#e2f221c75932de7a29845c8d6f1f73536ad00c41 for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-1/master#e2f221c75932de7a29845c8d6f1f73536ad00c41:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/haumea-lang/haumea-rs:/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" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d5f7956d312c1e5edc6a324215a92597db3aa757f6c7f87ebf2f9aa5ad44180e
[INFO] running `"docker" "start" "-a" "d5f7956d312c1e5edc6a324215a92597db3aa757f6c7f87ebf2f9aa5ad44180e"`
[INFO] [stderr]     Checking haumea v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:179:16
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stderr]     |                ----^^^^^^^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:339:18
[INFO] [stderr]     |
[INFO] [stderr] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stderr]     |                  ----^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:179:16
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn match_token(mut token_stream: &mut Vec<Token>, expected: &Token) -> Result<Token, Token> {
[INFO] [stderr]     |                ----^^^^^^^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:339:18
[INFO] [stderr]     |
[INFO] [stderr] 339 | fn parse_declare(mut token_stream: &mut Vec<Token>) -> Statement {
[INFO] [stderr]     |                  ----^^^^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "d5f7956d312c1e5edc6a324215a92597db3aa757f6c7f87ebf2f9aa5ad44180e"`
[INFO] running `"docker" "rm" "-f" "d5f7956d312c1e5edc6a324215a92597db3aa757f6c7f87ebf2f9aa5ad44180e"`
[INFO] [stdout] d5f7956d312c1e5edc6a324215a92597db3aa757f6c7f87ebf2f9aa5ad44180e