[INFO] fetching crate flo_rope 0.2.0... [INFO] checking flo_rope-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate flo_rope 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate flo_rope 0.2.0 [INFO] finished tweaking crates.io crate flo_rope 0.2.0 [INFO] tweaked toml for crates.io crate flo_rope 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flo_rope 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fca35886213b992ca36d126f66848bc4a6c996fcf84f4e77c426b9900db4681 [INFO] running `Command { std: "docker" "start" "-a" "7fca35886213b992ca36d126f66848bc4a6c996fcf84f4e77c426b9900db4681", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fca35886213b992ca36d126f66848bc4a6c996fcf84f4e77c426b9900db4681", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fca35886213b992ca36d126f66848bc4a6c996fcf84f4e77c426b9900db4681", kill_on_drop: false }` [INFO] [stdout] 7fca35886213b992ca36d126f66848bc4a6c996fcf84f4e77c426b9900db4681 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8741d06798f38582649bb52208207555e74481808bf0df02cb12a47e4aa9505 [INFO] running `Command { std: "docker" "start" "-a" "a8741d06798f38582649bb52208207555e74481808bf0df02cb12a47e4aa9505", kill_on_drop: false }` [INFO] [stderr] Checking flo_rope v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::attributed_rope::*` [INFO] [stdout] --> src/rope/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use self::attributed_rope::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::attributed_rope::*` [INFO] [stdout] --> src/rope/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use self::attributed_rope::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/api/rope_trait.rs:21:24 [INFO] [stdout] | [INFO] [stdout] 21 | fn read_cells<'a>(&'a self, range: Range) -> Box>; [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 21 | fn read_cells<'a>(&'a self, range: Range) -> Box>; [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rope/attributed_rope.rs:582:24 [INFO] [stdout] | [INFO] [stdout] 582 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 582 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/stream_rope/push_rope.rs:47:24 [INFO] [stdout] | [INFO] [stdout] 47 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 47 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/stream_rope/push_rope.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 117 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/stream_rope/pull_rope.rs:361:24 [INFO] [stdout] | [INFO] [stdout] 361 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 361 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/api/rope_trait.rs:21:24 [INFO] [stdout] | [INFO] [stdout] 21 | fn read_cells<'a>(&'a self, range: Range) -> Box>; [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 21 | fn read_cells<'a>(&'a self, range: Range) -> Box>; [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/rope/attributed_rope.rs:582:24 [INFO] [stdout] | [INFO] [stdout] 582 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 582 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/stream_rope/push_rope.rs:47:24 [INFO] [stdout] | [INFO] [stdout] 47 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 47 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/stream_rope/push_rope.rs:117:24 [INFO] [stdout] | [INFO] [stdout] 117 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 117 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/stream_rope/pull_rope.rs:361:24 [INFO] [stdout] | [INFO] [stdout] 361 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ^^ -- ----------- the lifetimes get resolved as `'a` [INFO] [stdout] | | | [INFO] [stdout] | this lifetime flows to the output the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 361 | fn read_cells<'a>(&'a self, range: Range) -> Box> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "a8741d06798f38582649bb52208207555e74481808bf0df02cb12a47e4aa9505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8741d06798f38582649bb52208207555e74481808bf0df02cb12a47e4aa9505", kill_on_drop: false }` [INFO] [stdout] a8741d06798f38582649bb52208207555e74481808bf0df02cb12a47e4aa9505