[INFO] fetching crate ra_vfs 0.6.1... [INFO] checking ra_vfs-0.6.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate ra_vfs 0.6.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate ra_vfs 0.6.1 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 ra_vfs 0.6.1 [INFO] finished tweaking crates.io crate ra_vfs 0.6.1 [INFO] tweaked toml for crates.io crate ra_vfs 0.6.1 written to /workspace/builds/worker-3-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 98 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding crossbeam-channel v0.4.4 (available: v0.5.13) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (available: v0.8.20) [INFO] [stderr] Adding flexi_logger v0.15.12 (available: v0.29.0) [INFO] [stderr] Adding fsevent v0.4.0 (available: v2.1.2) [INFO] [stderr] Adding fsevent-sys v2.0.1 (available: v4.1.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding inotify v0.7.1 (available: v0.11.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding lock_api v0.3.4 (available: v0.4.12) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (available: v0.6.0) [INFO] [stderr] Adding notify v4.0.18 (available: v6.1.1) [INFO] [stderr] Adding parking_lot v0.10.2 (available: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.7.3 (available: v0.9.10) [INFO] [stderr] Adding redox_syscall v0.1.57 (available: v0.5.6) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding yansi v0.5.1 (available: v1.0.1) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ea27a3fa6551ee08ef4196dda9f775258464514a587ac5da49f25c357a5e29b4 [INFO] running `Command { std: "docker" "start" "-a" "ea27a3fa6551ee08ef4196dda9f775258464514a587ac5da49f25c357a5e29b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea27a3fa6551ee08ef4196dda9f775258464514a587ac5da49f25c357a5e29b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea27a3fa6551ee08ef4196dda9f775258464514a587ac5da49f25c357a5e29b4", kill_on_drop: false }` [INFO] [stdout] ea27a3fa6551ee08ef4196dda9f775258464514a587ac5da49f25c357a5e29b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c7c42cb3a98b2cb24c70fc65907778bcc913a037f66ca717e1969b20d22463af [INFO] running `Command { std: "docker" "start" "-a" "c7c42cb3a98b2cb24c70fc65907778bcc913a037f66ca717e1969b20d22463af", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking parking_lot_core v0.7.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking jod-thread v0.1.2 [INFO] [stderr] Checking relative-path v1.9.3 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.18 [INFO] [stderr] Checking ra_vfs v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:384:13 [INFO] [stdout] | [INFO] [stdout] 384 | let mut file_data = &mut self.file_mut(file); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking flexi_logger v0.15.12 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:384:13 [INFO] [stdout] | [INFO] [stdout] 384 | let mut file_data = &mut self.file_mut(file); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.39s [INFO] running `Command { std: "docker" "inspect" "c7c42cb3a98b2cb24c70fc65907778bcc913a037f66ca717e1969b20d22463af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7c42cb3a98b2cb24c70fc65907778bcc913a037f66ca717e1969b20d22463af", kill_on_drop: false }` [INFO] [stdout] c7c42cb3a98b2cb24c70fc65907778bcc913a037f66ca717e1969b20d22463af