[INFO] fetching crate mfio 0.1.0... [INFO] testing mfio-0.1.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759 [INFO] extracting crate mfio 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mfio 0.1.0 [INFO] finished tweaking crates.io crate mfio 0.1.0 [INFO] tweaked toml for crates.io crate mfio 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mfio 0.1.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mfio 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e01ed4d40c44eafc335e9dd386a99a628d1f031044f7dc4812c01bd8e41a4a59 [INFO] running `Command { std: "docker" "start" "-a" "e01ed4d40c44eafc335e9dd386a99a628d1f031044f7dc4812c01bd8e41a4a59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e01ed4d40c44eafc335e9dd386a99a628d1f031044f7dc4812c01bd8e41a4a59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e01ed4d40c44eafc335e9dd386a99a628d1f031044f7dc4812c01bd8e41a4a59", kill_on_drop: false }` [INFO] [stdout] e01ed4d40c44eafc335e9dd386a99a628d1f031044f7dc4812c01bd8e41a4a59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92474bc2d8453641f51b68d89c97ff495b9e1b30891719593e2a0e8ef7e223e4 [INFO] running `Command { std: "docker" "start" "-a" "92474bc2d8453641f51b68d89c97ff495b9e1b30891719593e2a0e8ef7e223e4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling winnow v0.5.25 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling no-std-compat v0.4.1 [INFO] [stderr] Compiling tarc v0.1.4 [INFO] [stderr] Compiling http v0.2.11 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling bytemuck v1.14.0 [INFO] [stderr] Compiling rangemap v1.4.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling cglue v0.2.14 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Compiling nix v0.26.4 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling toml_edit v0.20.7 [INFO] [stderr] Compiling futures v0.3.29 [INFO] [stderr] Compiling proc-macro-crate v2.0.0 [INFO] [stderr] Compiling cglue-gen v0.2.9 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling mfio-derive v0.1.0 [INFO] [stderr] Compiling pin-project v1.1.3 [INFO] [stderr] Compiling cglue-macro v0.2.3 [INFO] [stderr] Compiling mfio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/lib.rs:217:11 [INFO] [stdout] | [INFO] [stdout] 217 | #[cfg(not(mfio_assume_linear_types))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/lib.rs:230:7 [INFO] [stdout] | [INFO] [stdout] 230 | #[cfg(mfio_assume_linear_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/futures_compat.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(not(mfio_assume_linear_types))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/futures_compat.rs:117:11 [INFO] [stdout] | [INFO] [stdout] 117 | #[cfg(not(mfio_assume_linear_types))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/futures_compat.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | #[cfg(not(mfio_assume_linear_types))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/futures_compat.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | #[cfg(not(mfio_assume_linear_types))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/io/packet/mod.rs:438:7 [INFO] [stdout] | [INFO] [stdout] 438 | #[cfg(mfio_assume_linear_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/io/packet/mod.rs:456:7 [INFO] [stdout] | [INFO] [stdout] 456 | #[cfg(mfio_assume_linear_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `mfio_assume_linear_types` [INFO] [stdout] --> src/io/packet/mod.rs:474:7 [INFO] [stdout] | [INFO] [stdout] 474 | #[cfg(mfio_assume_linear_types)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(mfio_assume_linear_types)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(mfio_assume_linear_types)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_assign` is never used [INFO] [stdout] --> src/util.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait UsizeMath { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 4 | fn add_assign(&mut self, val: usize); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_pos` is never used [INFO] [stdout] --> src/util.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) trait PosShift: CopyPos + UsizeMath { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 43 | fn add_pos(&mut self, out: usize, io: &Io); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/backend/mod.rs:86:20 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn acquire(&self, wake_flags: Option>) -> BackendHandle { [INFO] [stdout] | ^^^^^ this lifetime flows to the output ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 86 | pub fn acquire(&self, wake_flags: Option>) -> BackendHandle<'_, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/backend/mod.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 108 | mut handle: BackendHandle, [INFO] [stdout] 109 | ) -> BackendHandle { [INFO] [stdout] | ---------------- the lifetime gets resolved as `'_` [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] 109 | ) -> BackendHandle<'_, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/backend/mod.rs:403:23 [INFO] [stdout] | [INFO] [stdout] 403 | fn polling_handle(&self) -> Option; [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] 403 | fn polling_handle(&self) -> Option>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/backend/mod.rs:412:20 [INFO] [stdout] | [INFO] [stdout] 412 | fn get_backend(&self) -> BackendHandle; [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] 412 | fn get_backend(&self) -> BackendHandle<'_, Self::Backend>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/backend/mod.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] 423 | future: F, [INFO] [stdout] 424 | ) -> (WithBackend, Option) { [INFO] [stdout] | ----------------------------- ------------- the lifetimes get resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'_` [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] 424 | ) -> (WithBackend<'_, Self::Backend, F>, Option>) { [INFO] [stdout] | +++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/futures_compat.rs:101:15 [INFO] [stdout] | [INFO] [stdout] 101 | fn compat(&self) -> Compat { [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] 101 | fn compat(&self) -> Compat<'_, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/io/mod.rs:240:10 [INFO] [stdout] | [INFO] [stdout] 240 | &'a self, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 244 | ) -> IoToFut<'a, Self, Perms, Param, T, PacketStream> { [INFO] [stdout] | -- ---------------------- the lifetimes get resolved as `'a` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'a` [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 244 | ) -> IoToFut<'a, Self, Perms, Param, T, PacketStream<'a, O, Perms>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/io/packet/output.rs:322:13 [INFO] [stdout] | [INFO] [stdout] 322 | fn lock(&self) -> LockGuard { [INFO] [stdout] | ^^^^^ ------------------- [INFO] [stdout] | | | [INFO] [stdout] | | the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 322 | fn lock(&self) -> LockGuard<'_, T, Perms> { [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:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | fn read(&self, pos: Pos) -> IoReadFut { [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] 58 | fn read(&self, pos: Pos) -> IoReadFut<'_, Self, Pos, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s [INFO] running `Command { std: "docker" "inspect" "92474bc2d8453641f51b68d89c97ff495b9e1b30891719593e2a0e8ef7e223e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92474bc2d8453641f51b68d89c97ff495b9e1b30891719593e2a0e8ef7e223e4", kill_on_drop: false }` [INFO] [stdout] 92474bc2d8453641f51b68d89c97ff495b9e1b30891719593e2a0e8ef7e223e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0816cfebcebf7bbbd72bf37015bf2894d458719f382ba796140ffa34fadeb7ac [INFO] running `Command { std: "docker" "start" "-a" "0816cfebcebf7bbbd72bf37015bf2894d458719f382ba796140ffa34fadeb7ac", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling parking v2.2.0 [INFO] [stderr] Compiling futures-io v0.3.29 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling rustix v0.38.26 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling rustix v0.37.27 [INFO] [stderr] Compiling fastrand v2.0.1 [INFO] [stderr] Compiling waker-fn v1.1.1 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling async-lock v2.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling async-task v4.5.0 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling futures-lite v2.1.0 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling piper v0.2.1 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling concurrent-queue v2.4.0 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Compiling async-fs v1.6.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling event-listener v4.0.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling event-listener v3.1.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling anstyle v1.0.4 [INFO] [stderr] Compiling ciborium-io v0.2.1 [INFO] [stderr] Compiling clap_lex v0.6.0 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling event-listener-strategy v0.4.0 [INFO] [stderr] Compiling async-lock v3.2.0 [INFO] [stderr] Compiling async-channel v2.1.1 [INFO] [stderr] Compiling ciborium-ll v0.2.1 [INFO] [stderr] Compiling clap_builder v4.4.11 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling walkdir v2.4.0 [INFO] [stderr] Compiling cglue-gen v0.2.9 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling blocking v1.5.1 [INFO] [stderr] Compiling async-executor v1.8.0 [INFO] [stderr] Compiling clap v4.4.11 [INFO] [stderr] Compiling plotters v0.3.5 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] error: could not compile `cglue-gen` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name cglue_gen --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cglue-gen-0.2.9/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "layout_checks", "rust_void", "unstable"))' -C metadata=1520336ad4d07529 -C extra-filename=-6680c0c3109941eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-9c1a65b93ad7e9d2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-c9e61f8b95871482.rmeta --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-b64d56fa72c75a99.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d33b9275022bcbfc.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2f709b89caab5d28.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-4b98c33ad95c6a55.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `futures-util` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/733b47ea4b1b86216f14ef56e49440c33933f230/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=87a4b574bfd7d586 -C extra-filename=-b588357959adc4cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-fd7bffccbea0eace.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-a254ea44d31c0883.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-e132fac938b8c682.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-5d82c39df03f5aa1.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-8b891b9a9facd84d.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-ad54ad184f024484.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-08fe225ceb89d29d.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-c09967ab85f7644d.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-f51aeed82fb00450.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "0816cfebcebf7bbbd72bf37015bf2894d458719f382ba796140ffa34fadeb7ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0816cfebcebf7bbbd72bf37015bf2894d458719f382ba796140ffa34fadeb7ac", kill_on_drop: false }` [INFO] [stdout] 0816cfebcebf7bbbd72bf37015bf2894d458719f382ba796140ffa34fadeb7ac