[INFO] updating cached repository sampullman/rust-scheme [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sampullman/rust-scheme [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sampullman/rust-scheme" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/sampullman/rust-scheme"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/sampullman/rust-scheme'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sampullman/rust-scheme" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/sampullman/rust-scheme"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/sampullman/rust-scheme'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f9bd7aa53c119bf21693606a480d7bc76c18badb [INFO] sha for GitHub repo sampullman/rust-scheme: f9bd7aa53c119bf21693606a480d7bc76c18badb [INFO] validating manifest of sampullman/rust-scheme on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sampullman/rust-scheme on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sampullman/rust-scheme [INFO] finished frobbing sampullman/rust-scheme [INFO] frobbed toml for sampullman/rust-scheme written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/sampullman/rust-scheme/Cargo.toml [INFO] started frobbing sampullman/rust-scheme [INFO] finished frobbing sampullman/rust-scheme [INFO] frobbed toml for sampullman/rust-scheme written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/sampullman/rust-scheme/Cargo.toml [INFO] crate sampullman/rust-scheme already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sampullman/rust-scheme against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-5/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/sampullman/rust-scheme:/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a53c84d456d68d71da40004fc8a4ceb175ae30772b894a3b5c60f0e5cd617caf [INFO] running `"docker" "start" "-a" "a53c84d456d68d71da40004fc8a4ceb175ae30772b894a3b5c60f0e5cd617caf"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Checking rust-scheme v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parse.rs:29:14 [INFO] [stderr] | [INFO] [stderr] 29 | fn read_list(mut tokens: &mut Vec) -> Result, String> { [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/parse.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec) -> Result { [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/parse.rs:29:14 [INFO] [stderr] | [INFO] [stderr] 29 | fn read_list(mut tokens: &mut Vec) -> Result, String> { [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/parse.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn read_from_tokens(mut tokens: &mut Vec) -> Result { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.55s [INFO] running `"docker" "inspect" "a53c84d456d68d71da40004fc8a4ceb175ae30772b894a3b5c60f0e5cd617caf"` [INFO] running `"docker" "rm" "-f" "a53c84d456d68d71da40004fc8a4ceb175ae30772b894a3b5c60f0e5cd617caf"` [INFO] [stdout] a53c84d456d68d71da40004fc8a4ceb175ae30772b894a3b5c60f0e5cd617caf