[INFO] fetching crate muncher 0.6.0... [INFO] checking muncher-0.6.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] extracting crate muncher 0.6.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate muncher 0.6.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate muncher 0.6.0 [INFO] finished tweaking crates.io crate muncher 0.6.0 [INFO] tweaked toml for crates.io crate muncher 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 29292c1e26c85fa70f66eabf57c7e22f54d592e918e3168ffa42d0fb193ca34c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "29292c1e26c85fa70f66eabf57c7e22f54d592e918e3168ffa42d0fb193ca34c"` [INFO] [stderr] Checking muncher v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/muncher.rs:692:13 [INFO] [stderr] | [INFO] [stderr] 692 | let s = munch.eat_until(|ch| ch == &'c').collect::(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/muncher.rs:698:13 [INFO] [stderr] | [INFO] [stderr] 698 | let s = munch.eat_until(|ch| ch == &'g').collect::(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/muncher.rs:756:13 [INFO] [stderr] | [INFO] [stderr] 756 | let mut munch = Muncher::new(input); [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/muncher.rs:765:13 [INFO] [stderr] | [INFO] [stderr] 765 | let mut munch = Muncher::new(input); [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/muncher.rs:810:13 [INFO] [stderr] | [INFO] [stderr] 810 | let mut munch = Muncher::new(input); [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/muncher.rs:821:13 [INFO] [stderr] | [INFO] [stderr] 821 | let mut munch = Muncher::new(input); [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/muncher.rs:832:13 [INFO] [stderr] | [INFO] [stderr] 832 | let mut munch = Muncher::new(input); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used [INFO] [stderr] --> src/muncher.rs:845:9 [INFO] [stderr] | [INFO] [stderr] 845 | munch.eat_until(|c| *c == '\u{1b}'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::iter::Iterator` that must be used [INFO] [stderr] --> src/muncher.rs:851:17 [INFO] [stderr] | [INFO] [stderr] 851 | munch.eat_until(|c| *c == '\u{1b}'); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: iterators are lazy and do nothing unless consumed [INFO] [stderr] [INFO] [stderr] warning: unused comparison that must be used [INFO] [stderr] --> src/muncher.rs:852:17 [INFO] [stderr] | [INFO] [stderr] 852 | munch.seek(3) == Some("[0m".to_string()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `"docker" "inspect" "29292c1e26c85fa70f66eabf57c7e22f54d592e918e3168ffa42d0fb193ca34c"` [INFO] running `"docker" "rm" "-f" "29292c1e26c85fa70f66eabf57c7e22f54d592e918e3168ffa42d0fb193ca34c"` [INFO] [stdout] 29292c1e26c85fa70f66eabf57c7e22f54d592e918e3168ffa42d0fb193ca34c