[INFO] fetching crate llvm-support 0.0.3...
[INFO] checking llvm-support-0.0.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate llvm-support 0.0.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate llvm-support 0.0.3 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 llvm-support 0.0.3
[INFO] finished tweaking crates.io crate llvm-support 0.0.3
[INFO] tweaked toml for crates.io crate llvm-support 0.0.3 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]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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] 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] 4308f42a9ccf98365c72f1ef7bfd0d094eb742a78b4fd9bf6562cc1797f15f4c
[INFO] running `Command { std: "docker" "start" "-a" "4308f42a9ccf98365c72f1ef7bfd0d094eb742a78b4fd9bf6562cc1797f15f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4308f42a9ccf98365c72f1ef7bfd0d094eb742a78b4fd9bf6562cc1797f15f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4308f42a9ccf98365c72f1ef7bfd0d094eb742a78b4fd9bf6562cc1797f15f4c", kill_on_drop: false }`
[INFO] [stdout] 4308f42a9ccf98365c72f1ef7bfd0d094eb742a78b4fd9bf6562cc1797f15f4c
[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] 57ebb3edb70d43d25f811cd24019a714cc4686668a6d3874526a88ddba9cbd47
[INFO] running `Command { std: "docker" "start" "-a" "57ebb3edb70d43d25f811cd24019a714cc4686668a6d3874526a88ddba9cbd47", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling llvm-support v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/align.rs:501:25
[INFO] [stdout]     |
[INFO] [stdout] 501 |                     let mut other = self.0.get_mut(pos).unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/align.rs:729:25
[INFO] [stdout]     |
[INFO] [stdout] 729 |                     let mut other = self.0.get_mut(pos).unwrap();
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/align.rs:501:25
[INFO] [stdout]     |
[INFO] [stdout] 501 |                     let mut other = self.0.get_mut(pos).unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/align.rs:729:25
[INFO] [stdout]     |
[INFO] [stdout] 729 |                     let mut other = self.0.get_mut(pos).unwrap();
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "57ebb3edb70d43d25f811cd24019a714cc4686668a6d3874526a88ddba9cbd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ebb3edb70d43d25f811cd24019a714cc4686668a6d3874526a88ddba9cbd47", kill_on_drop: false }`
[INFO] [stdout] 57ebb3edb70d43d25f811cd24019a714cc4686668a6d3874526a88ddba9cbd47