[INFO] fetching crate ecstatic 0.0.2... [INFO] checking ecstatic-0.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate ecstatic 0.0.2 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate ecstatic 0.0.2 [INFO] finished tweaking crates.io crate ecstatic 0.0.2 [INFO] tweaked toml for crates.io crate ecstatic 0.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ecstatic 0.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2608bf6f9992ed39e48c3f04e5fe77a17f5c1c418c247b5a22b4832e39498da2 [INFO] running `Command { std: "docker" "start" "-a" "2608bf6f9992ed39e48c3f04e5fe77a17f5c1c418c247b5a22b4832e39498da2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2608bf6f9992ed39e48c3f04e5fe77a17f5c1c418c247b5a22b4832e39498da2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2608bf6f9992ed39e48c3f04e5fe77a17f5c1c418c247b5a22b4832e39498da2", kill_on_drop: false }` [INFO] [stdout] 2608bf6f9992ed39e48c3f04e5fe77a17f5c1c418c247b5a22b4832e39498da2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 857a5beb57c6d5b44f9c7c837b82b15578d41a19574e8075d674e54d0e3f52cd [INFO] running `Command { std: "docker" "start" "-a" "857a5beb57c6d5b44f9c7c837b82b15578d41a19574e8075d674e54d0e3f52cd", kill_on_drop: false }` [INFO] [stderr] Checking ecstatic v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `new` and `iter` are never used [INFO] [stdout] --> src/bitset.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait BitSet { [INFO] [stdout] | ------ associated items in this trait [INFO] [stdout] ... [INFO] [stdout] 21 | fn new() -> Self; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | fn iter(&self) -> Self::Iter; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `BitVec` is never used [INFO] [stdout] --> src/bitset.rs:106:11 [INFO] [stdout] | [INFO] [stdout] 106 | pub trait BitVec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:235:15 [INFO] [stdout] | [INFO] [stdout] 235 | fn fetch(&'a self) -> ReadComponent { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [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] 235 | fn fetch(&'a self) -> ReadComponent<'a, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:247:15 [INFO] [stdout] | [INFO] [stdout] 247 | fn fetch(&'a self) -> WriteComponent { [INFO] [stdout] | ^^ ----------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 247 | fn fetch(&'a self) -> WriteComponent<'a, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:337:12 [INFO] [stdout] | [INFO] [stdout] 337 | fn get(&self) -> std::cell::Ref; [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 337 | fn get(&self) -> std::cell::Ref<'_, T::Storage>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:339:16 [INFO] [stdout] | [INFO] [stdout] 339 | fn get_mut(&self) -> std::cell::RefMut; [INFO] [stdout] | ^^^^^ ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 339 | fn get_mut(&self) -> std::cell::RefMut<'_, T::Storage>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:345:12 [INFO] [stdout] | [INFO] [stdout] 345 | fn get(&self) -> std::cell::Ref; [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 345 | fn get(&self) -> std::cell::Ref<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:347:16 [INFO] [stdout] | [INFO] [stdout] 347 | fn get_mut(&self) -> std::cell::RefMut; [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 347 | fn get_mut(&self) -> std::cell::RefMut<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/bitset.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub trait BitSet { [INFO] [stdout] | ------ associated function in this trait [INFO] [stdout] ... [INFO] [stdout] 21 | fn new() -> Self; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `BitVec` is never used [INFO] [stdout] --> src/bitset.rs:106:11 [INFO] [stdout] | [INFO] [stdout] 106 | pub trait BitVec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:235:15 [INFO] [stdout] | [INFO] [stdout] 235 | fn fetch(&'a self) -> ReadComponent { [INFO] [stdout] | ^^ ---------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [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] 235 | fn fetch(&'a self) -> ReadComponent<'a, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:247:15 [INFO] [stdout] | [INFO] [stdout] 247 | fn fetch(&'a self) -> WriteComponent { [INFO] [stdout] | ^^ ----------------- the lifetime gets resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 247 | fn fetch(&'a self) -> WriteComponent<'a, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:337:12 [INFO] [stdout] | [INFO] [stdout] 337 | fn get(&self) -> std::cell::Ref; [INFO] [stdout] | ^^^^^ -------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 337 | fn get(&self) -> std::cell::Ref<'_, T::Storage>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:339:16 [INFO] [stdout] | [INFO] [stdout] 339 | fn get_mut(&self) -> std::cell::RefMut; [INFO] [stdout] | ^^^^^ ----------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 339 | fn get_mut(&self) -> std::cell::RefMut<'_, T::Storage>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:345:12 [INFO] [stdout] | [INFO] [stdout] 345 | fn get(&self) -> std::cell::Ref; [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 345 | fn get(&self) -> std::cell::Ref<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/traits.rs:347:16 [INFO] [stdout] | [INFO] [stdout] 347 | fn get_mut(&self) -> std::cell::RefMut; [INFO] [stdout] | ^^^^^ -------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 347 | fn get_mut(&self) -> std::cell::RefMut<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:299:24 [INFO] [stdout] | [INFO] [stdout] 299 | fn get(&self) -> std::cell::Ref<<$component_type as StorageSpec<'a>>::Storage> { [INFO] [stdout] | ^^^^^ ------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | / define_world!( [INFO] [stdout] 24 | | #[derive(Default)] [INFO] [stdout] 25 | | pub world { [INFO] [stdout] 26 | | components { [INFO] [stdout] ... | [INFO] [stdout] 35 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__define_world_internal` which comes from the expansion of the macro `define_world` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 299 | fn get(&self) -> std::cell::Ref<'_, <$component_type as StorageSpec<'a>>::Storage> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:302:28 [INFO] [stdout] | [INFO] [stdout] 302 | fn get_mut(&self) -> std::cell::RefMut<<$component_type as StorageSpec<'a>>::Storage> { [INFO] [stdout] | ^^^^^ ---------------------------------------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | / define_world!( [INFO] [stdout] 24 | | #[derive(Default)] [INFO] [stdout] 25 | | pub world { [INFO] [stdout] 26 | | components { [INFO] [stdout] ... | [INFO] [stdout] 35 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__define_world_internal` which comes from the expansion of the macro `define_world` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 302 | fn get_mut(&self) -> std::cell::RefMut<'_, <$component_type as StorageSpec<'a>>::Storage> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:283:24 [INFO] [stdout] | [INFO] [stdout] 283 | fn get(&self) -> std::cell::Ref<$resource_type> { [INFO] [stdout] | ^^^^^ ------------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | / define_world!( [INFO] [stdout] 24 | | #[derive(Default)] [INFO] [stdout] 25 | | pub world { [INFO] [stdout] 26 | | components { [INFO] [stdout] ... | [INFO] [stdout] 35 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__define_world_internal` which comes from the expansion of the macro `define_world` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 283 | fn get(&self) -> std::cell::Ref<'_, $resource_type> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:286:28 [INFO] [stdout] | [INFO] [stdout] 286 | fn get_mut(&self) -> std::cell::RefMut<$resource_type> { [INFO] [stdout] | ^^^^^ --------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | / define_world!( [INFO] [stdout] 24 | | #[derive(Default)] [INFO] [stdout] 25 | | pub world { [INFO] [stdout] 26 | | components { [INFO] [stdout] ... | [INFO] [stdout] 35 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__define_world_internal` which comes from the expansion of the macro `define_world` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 286 | fn get_mut(&self) -> std::cell::RefMut<'_, $resource_type> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "857a5beb57c6d5b44f9c7c837b82b15578d41a19574e8075d674e54d0e3f52cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "857a5beb57c6d5b44f9c7c837b82b15578d41a19574e8075d674e54d0e3f52cd", kill_on_drop: false }` [INFO] [stdout] 857a5beb57c6d5b44f9c7c837b82b15578d41a19574e8075d674e54d0e3f52cd