[INFO] fetching crate interleave 1.0.1...
[INFO] checking interleave-1.0.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate interleave 1.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate interleave 1.0.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interleave 1.0.1
[INFO] finished tweaking crates.io crate interleave 1.0.1
[INFO] tweaked toml for crates.io crate interleave 1.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9198b7317f7953957b529a94df2747e12c5c51f77354008937eb78cbb20ad2f
[INFO] running `Command { std: "docker" "start" "-a" "e9198b7317f7953957b529a94df2747e12c5c51f77354008937eb78cbb20ad2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9198b7317f7953957b529a94df2747e12c5c51f77354008937eb78cbb20ad2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9198b7317f7953957b529a94df2747e12c5c51f77354008937eb78cbb20ad2f", kill_on_drop: false }`
[INFO] [stdout] e9198b7317f7953957b529a94df2747e12c5c51f77354008937eb78cbb20ad2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec830da4d45de36a820a73004b8b2e6666541ff7fd4b23162fb005795b66b5ea
[INFO] running `Command { std: "docker" "start" "-a" "ec830da4d45de36a820a73004b8b2e6666541ff7fd4b23162fb005795b66b5ea", kill_on_drop: false }`
[INFO] [stderr]     Checking interleave v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub type Iter<T> = Box<Iterator<Item = T>>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub type Iter<T> = Box<Iterator<Item = T>>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 |         );*
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 |         );*
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:193:21
[INFO] [stdout]     |
[INFO] [stdout] 193 |         check(interleave!((0..10), (0..5), (0..2), (0..7)));
[INFO] [stdout]     |                           ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:193:30
[INFO] [stdout]     |
[INFO] [stdout] 193 |         check(interleave!((0..10), (0..5), (0..2), (0..7)));
[INFO] [stdout]     |                                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:193:38
[INFO] [stdout]     |
[INFO] [stdout] 193 |         check(interleave!((0..10), (0..5), (0..2), (0..7)));
[INFO] [stdout]     |                                            ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:193:46
[INFO] [stdout]     |
[INFO] [stdout] 193 |         check(interleave!((0..10), (0..5), (0..2), (0..7)));
[INFO] [stdout]     |                                                    ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |         check(interleave!((0..5), (0..2), (0..7), (0..10)));
[INFO] [stdout]     |                           ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 194 |         check(interleave!((0..5), (0..2), (0..7), (0..10)));
[INFO] [stdout]     |                                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:194:37
[INFO] [stdout]     |
[INFO] [stdout] 194 |         check(interleave!((0..5), (0..2), (0..7), (0..10)));
[INFO] [stdout]     |                                           ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:194:45
[INFO] [stdout]     |
[INFO] [stdout] 194 |         check(interleave!((0..5), (0..2), (0..7), (0..10)));
[INFO] [stdout]     |                                                   ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:195:21
[INFO] [stdout]     |
[INFO] [stdout] 195 |         check(interleave!((0..5), (0..7), (0..2), (0..10)));
[INFO] [stdout]     |                           ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:195:29
[INFO] [stdout]     |
[INFO] [stdout] 195 |         check(interleave!((0..5), (0..7), (0..2), (0..10)));
[INFO] [stdout]     |                                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:195:37
[INFO] [stdout]     |
[INFO] [stdout] 195 |         check(interleave!((0..5), (0..7), (0..2), (0..10)));
[INFO] [stdout]     |                                           ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:195:45
[INFO] [stdout]     |
[INFO] [stdout] 195 |         check(interleave!((0..5), (0..7), (0..2), (0..10)));
[INFO] [stdout]     |                                                   ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> examples/many.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |         total.push(Box::new((-i[0]..i[1])));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 |         );*
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ec830da4d45de36a820a73004b8b2e6666541ff7fd4b23162fb005795b66b5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec830da4d45de36a820a73004b8b2e6666541ff7fd4b23162fb005795b66b5ea", kill_on_drop: false }`
[INFO] [stdout] ec830da4d45de36a820a73004b8b2e6666541ff7fd4b23162fb005795b66b5ea