[INFO] fetching crate owning_ref_async 0.4.5... [INFO] checking owning_ref_async-0.4.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate owning_ref_async 0.4.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate owning_ref_async 0.4.5 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate owning_ref_async 0.4.5 [INFO] finished tweaking crates.io crate owning_ref_async 0.4.5 [INFO] tweaked toml for crates.io crate owning_ref_async 0.4.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 14 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.5.6 (available: v1.7.2) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (available: v0.2.14) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.40.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (available: v2.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdece16eea14f3a8f72b7571db074daaafec3f66cd02a8a7df19d3d9e135b682 [INFO] running `Command { std: "docker" "start" "-a" "cdece16eea14f3a8f72b7571db074daaafec3f66cd02a8a7df19d3d9e135b682", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdece16eea14f3a8f72b7571db074daaafec3f66cd02a8a7df19d3d9e135b682", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdece16eea14f3a8f72b7571db074daaafec3f66cd02a8a7df19d3d9e135b682", kill_on_drop: false }` [INFO] [stdout] cdece16eea14f3a8f72b7571db074daaafec3f66cd02a8a7df19d3d9e135b682 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bbe6269628f30d9891c21826187cfb291d1491d235634650bb74865097dcf9f [INFO] running `Command { std: "docker" "start" "-a" "3bbe6269628f30d9891c21826187cfb291d1491d235634650bb74865097dcf9f", kill_on_drop: false }` [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking owning_ref_async v0.4.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stdout] warning: unused import: `RefMut` [INFO] [stdout] --> src/lib.rs:1618:34 [INFO] [stdout] | [INFO] [stdout] 1618 | use std::cell::{RefCell, RefMut}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::Duration` [INFO] [stdout] --> src/lib.rs:1621:13 [INFO] [stdout] | [INFO] [stdout] 1621 | use tokio::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:1895:53 [INFO] [stdout] | [INFO] [stdout] 1895 | let mut_s: &'static mut [u8] = unsafe { &mut MUT_S }; [INFO] [stdout] | ^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `&raw mut` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 1895 | let mut_s: &'static mut [u8] = unsafe { &raw mut MUT_S }; [INFO] [stdout] | ~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s [INFO] running `Command { std: "docker" "inspect" "3bbe6269628f30d9891c21826187cfb291d1491d235634650bb74865097dcf9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bbe6269628f30d9891c21826187cfb291d1491d235634650bb74865097dcf9f", kill_on_drop: false }` [INFO] [stdout] 3bbe6269628f30d9891c21826187cfb291d1491d235634650bb74865097dcf9f