[INFO] fetching crate futures-buffered 0.2.4... [INFO] checking futures-buffered-0.2.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate futures-buffered 0.2.4 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate futures-buffered 0.2.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures-buffered 0.2.4 [INFO] finished tweaking crates.io crate futures-buffered 0.2.4 [INFO] tweaked toml for crates.io crate futures-buffered 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 180 packages [INFO] [stderr] Adding anes v0.1.6 (latest: v0.2.0) [INFO] [stderr] Adding base64 v0.21.7 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.4) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.0) [INFO] [stderr] Adding criterion v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding h2 v0.3.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.4.6 (latest: v1.0.0) [INFO] [stderr] Adding hyper v0.14.28 (latest: v1.2.0) [INFO] [stderr] Adding hyper-tls v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding reqwest v0.11.27 (latest: v0.12.2) [INFO] [stderr] Adding rustls-pemfile v1.0.4 (latest: v2.1.1) [INFO] [stderr] Adding sync_wrapper v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding system-configuration v0.5.1 (latest: v0.6.0) [INFO] [stderr] Adding system-configuration-sys v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding winreg v0.50.0 (latest: v0.52.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-test v0.3.30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3966bfb6765ab2b93f1a8b5cbcfab9fcb67a43c72d4d53dc029f112430e2c07 [INFO] running `Command { std: "docker" "start" "-a" "d3966bfb6765ab2b93f1a8b5cbcfab9fcb67a43c72d4d53dc029f112430e2c07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3966bfb6765ab2b93f1a8b5cbcfab9fcb67a43c72d4d53dc029f112430e2c07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3966bfb6765ab2b93f1a8b5cbcfab9fcb67a43c72d4d53dc029f112430e2c07", kill_on_drop: false }` [INFO] [stdout] d3966bfb6765ab2b93f1a8b5cbcfab9fcb67a43c72d4d53dc029f112430e2c07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a92693597be03599467893f8a84e9b1fcc4791ed02787ed0f5ce73432c95706a [INFO] running `Command { std: "docker" "start" "-a" "a92693597be03599467893f8a84e9b1fcc4791ed02787ed0f5ce73432c95706a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking openssl v0.10.64 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures-buffered v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/futures_ordered_bounded.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/prelude/mod.rs:61:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking futures-test v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking native-tls v0.2.11 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/futures_ordered_bounded.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/futures_unordered.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/join_all.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::{boxed::Box, vec::Vec}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/join_all.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::{boxed::Box, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `stream` is imported redundantly [INFO] [stdout] --> src/merge.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 115 | use futures::prelude::*; [INFO] [stdout] | ------------------- the item `stream` is already imported here [INFO] [stdout] 116 | use futures::stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/slot_map.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use alloc::{boxed::Box, vec::Vec}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/slot_map.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use alloc::{boxed::Box, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/try_buffered.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 200 | use super::*; [INFO] [stdout] | -------- the item `Poll` is already imported here [INFO] [stdout] 201 | use core::task::Poll; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/try_join_all.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::{boxed::Box, vec::Vec}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/try_join_all.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use alloc::{boxed::Box, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.60s [INFO] running `Command { std: "docker" "inspect" "a92693597be03599467893f8a84e9b1fcc4791ed02787ed0f5ce73432c95706a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a92693597be03599467893f8a84e9b1fcc4791ed02787ed0f5ce73432c95706a", kill_on_drop: false }` [INFO] [stdout] a92693597be03599467893f8a84e9b1fcc4791ed02787ed0f5ce73432c95706a