[INFO] crate stutter-rs 0.1.1 is already in cache [INFO] extracting crate stutter-rs 0.1.1 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/stutter-rs/0.1.1 [INFO] extracting crate stutter-rs 0.1.1 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/stutter-rs/0.1.1 [INFO] validating manifest of stutter-rs-0.1.1 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of stutter-rs-0.1.1 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing stutter-rs-0.1.1 [INFO] finished frobbing stutter-rs-0.1.1 [INFO] frobbed toml for stutter-rs-0.1.1 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/stutter-rs/0.1.1/Cargo.toml [INFO] started frobbing stutter-rs-0.1.1 [INFO] finished frobbing stutter-rs-0.1.1 [INFO] frobbed toml for stutter-rs-0.1.1 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/stutter-rs/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking stutter-rs-0.1.1 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/stutter-rs/0.1.1:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 23690fba63b04a4f67901bd942292fc8380aec4a45fcbb02bc86cc09334f594d [INFO] running `"docker" "start" "-a" "23690fba63b04a4f67901bd942292fc8380aec4a45fcbb02bc86cc09334f594d"` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Checking cactus v1.0.4 [INFO] [stderr] Checking stutter-rs v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | n: tag!("null") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | n: tag!("true") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | n: tag!("false") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/ast/function.rs:45:18 [INFO] [stderr] | [INFO] [stderr] 45 | fn eq(&self, other: &Function) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `func` [INFO] [stderr] --> src/eval/types.rs:110:40 [INFO] [stderr] | [INFO] [stderr] 110 | if let Value::Function(ref func) = frame.borrow().returns { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_func` [INFO] [stderr] [INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:54 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `next_id` should have an upper case name [INFO] [stderr] --> src/eval/types.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | static mut next_id: i32 = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `NEXT_ID` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | n: tag!("null") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | n: tag!("true") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | n: tag!("false") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/ast/function.rs:45:18 [INFO] [stderr] | [INFO] [stderr] 45 | fn eq(&self, other: &Function) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `func` [INFO] [stderr] --> src/eval/types.rs:110:40 [INFO] [stderr] | [INFO] [stderr] 110 | if let Value::Function(ref func) = frame.borrow().returns { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_func` [INFO] [stderr] [INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:54 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `next_id` should have an upper case name [INFO] [stderr] --> src/eval/types.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | static mut next_id: i32 = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `NEXT_ID` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | n: tag!("null") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | n: tag!("true") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | n: tag!("false") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/ast/function.rs:45:18 [INFO] [stderr] | [INFO] [stderr] 45 | fn eq(&self, other: &Function) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `func` [INFO] [stderr] --> src/eval/types.rs:110:40 [INFO] [stderr] | [INFO] [stderr] 110 | if let Value::Function(ref func) = frame.borrow().returns { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_func` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | n: tag!("null") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | n: tag!("true") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/ast/parse.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | n: tag!("false") >> [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/ast/function.rs:45:18 [INFO] [stderr] | [INFO] [stderr] 45 | fn eq(&self, other: &Function) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `func` [INFO] [stderr] --> src/eval/types.rs:110:40 [INFO] [stderr] | [INFO] [stderr] 110 | if let Value::Function(ref func) = frame.borrow().returns { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_func` [INFO] [stderr] [INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:54 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `next_id` should have an upper case name [INFO] [stderr] --> src/eval/types.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | static mut next_id: i32 = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `NEXT_ID` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:1:54 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(box_syntax, box_patterns, fn_traits, nll, iterator_step_by)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: static variable `next_id` should have an upper case name [INFO] [stderr] --> src/eval/types.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | static mut next_id: i32 = 0; [INFO] [stderr] | ^^^^^^^ help: convert the identifier to upper case: `NEXT_ID` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.15s [INFO] running `"docker" "inspect" "23690fba63b04a4f67901bd942292fc8380aec4a45fcbb02bc86cc09334f594d"` [INFO] running `"docker" "rm" "-f" "23690fba63b04a4f67901bd942292fc8380aec4a45fcbb02bc86cc09334f594d"` [INFO] [stdout] 23690fba63b04a4f67901bd942292fc8380aec4a45fcbb02bc86cc09334f594d