[INFO] crate quickercheck 0.2.0 is already in cache [INFO] extracting crate quickercheck 0.2.0 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/quickercheck/0.2.0 [INFO] extracting crate quickercheck 0.2.0 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/quickercheck/0.2.0 [INFO] validating manifest of quickercheck-0.2.0 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of quickercheck-0.2.0 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing quickercheck-0.2.0 [INFO] finished frobbing quickercheck-0.2.0 [INFO] frobbed toml for quickercheck-0.2.0 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/quickercheck/0.2.0/Cargo.toml [INFO] started frobbing quickercheck-0.2.0 [INFO] finished frobbing quickercheck-0.2.0 [INFO] frobbed toml for quickercheck-0.2.0 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/quickercheck/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking quickercheck-0.2.0 against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-7/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/quickercheck/0.2.0:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2d7ae04950f4ee6c1cff017a576335fbf59290e32a9fb78fbff562acb5f97ed1 [INFO] running `"docker" "start" "-a" "2d7ae04950f4ee6c1cff017a576335fbf59290e32a9fb78fbff562acb5f97ed1"` [INFO] [stderr] Checking quickercheck v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/arbitrary.rs:108:48 [INFO] [stderr] | [INFO] [stderr] 108 | FromIteratorGenerator::new(($($placeholder::arbitrary()),*)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 119 | / generic_impls! { [INFO] [stderr] 120 | | Vec, [INFO] [stderr] 121 | | BTreeMap, [INFO] [stderr] 122 | | BTreeSet, [INFO] [stderr] ... | [INFO] [stderr] 127 | | VecDeque [INFO] [stderr] 128 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/arbitrary.rs:112:47 [INFO] [stderr] | [INFO] [stderr] 112 | FromIteratorShrinker::new(($($placeholder::shrink()),*)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 119 | / generic_impls! { [INFO] [stderr] 120 | | Vec, [INFO] [stderr] 121 | | BTreeMap, [INFO] [stderr] 122 | | BTreeSet, [INFO] [stderr] ... | [INFO] [stderr] 127 | | VecDeque [INFO] [stderr] 128 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/arbitrary.rs:108:48 [INFO] [stderr] | [INFO] [stderr] 108 | FromIteratorGenerator::new(($($placeholder::arbitrary()),*)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 119 | / generic_impls! { [INFO] [stderr] 120 | | Vec, [INFO] [stderr] 121 | | BTreeMap, [INFO] [stderr] 122 | | BTreeSet, [INFO] [stderr] ... | [INFO] [stderr] 127 | | VecDeque [INFO] [stderr] 128 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/arbitrary.rs:108:48 [INFO] [stderr] | [INFO] [stderr] 108 | FromIteratorGenerator::new(($($placeholder::arbitrary()),*)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 119 | / generic_impls! { [INFO] [stderr] 120 | | Vec, [INFO] [stderr] 121 | | BTreeMap, [INFO] [stderr] 122 | | BTreeSet, [INFO] [stderr] ... | [INFO] [stderr] 127 | | VecDeque [INFO] [stderr] 128 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/arbitrary.rs:112:47 [INFO] [stderr] | [INFO] [stderr] 112 | FromIteratorShrinker::new(($($placeholder::shrink()),*)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 119 | / generic_impls! { [INFO] [stderr] 120 | | Vec, [INFO] [stderr] 121 | | BTreeMap, [INFO] [stderr] 122 | | BTreeSet, [INFO] [stderr] ... | [INFO] [stderr] 127 | | VecDeque [INFO] [stderr] 128 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/arbitrary.rs:108:48 [INFO] [stderr] | [INFO] [stderr] 108 | FromIteratorGenerator::new(($($placeholder::arbitrary()),*)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] ... [INFO] [stderr] 119 | / generic_impls! { [INFO] [stderr] 120 | | Vec, [INFO] [stderr] 121 | | BTreeMap, [INFO] [stderr] 122 | | BTreeSet, [INFO] [stderr] ... | [INFO] [stderr] 127 | | VecDeque [INFO] [stderr] 128 | | } [INFO] [stderr] | |_- in this macro invocation [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.51s [INFO] running `"docker" "inspect" "2d7ae04950f4ee6c1cff017a576335fbf59290e32a9fb78fbff562acb5f97ed1"` [INFO] running `"docker" "rm" "-f" "2d7ae04950f4ee6c1cff017a576335fbf59290e32a9fb78fbff562acb5f97ed1"` [INFO] [stdout] 2d7ae04950f4ee6c1cff017a576335fbf59290e32a9fb78fbff562acb5f97ed1