[INFO] fetching crate s1vm 0.1.1... [INFO] checking s1vm-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate s1vm 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate s1vm 0.1.1 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 s1vm 0.1.1 [INFO] finished tweaking crates.io crate s1vm 0.1.1 [INFO] tweaked toml for crates.io crate s1vm 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate s1vm 0.1.1 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" "+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-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] c87e5fd08c572a33f840318eca6ff947dd5985a5a1f255a62f723cab82b6b028 [INFO] running `Command { std: "docker" "start" "-a" "c87e5fd08c572a33f840318eca6ff947dd5985a5a1f255a62f723cab82b6b028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c87e5fd08c572a33f840318eca6ff947dd5985a5a1f255a62f723cab82b6b028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c87e5fd08c572a33f840318eca6ff947dd5985a5a1f255a62f723cab82b6b028", kill_on_drop: false }` [INFO] [stdout] c87e5fd08c572a33f840318eca6ff947dd5985a5a1f255a62f723cab82b6b028 [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] 838b92bb127b119e450a8310182dacba34037e9e6ac7b74405520517bffcc5c3 [INFO] running `Command { std: "docker" "start" "-a" "838b92bb127b119e450a8310182dacba34037e9e6ac7b74405520517bffcc5c3", kill_on_drop: false }` [INFO] [stderr] Checking parity-wasm v0.41.0 [INFO] [stderr] Checking parity-wasm v0.42.2 [INFO] [stderr] Checking wasmi-validation v0.4.0 [INFO] [stderr] Checking wasmi-validation v0.3.0 [INFO] [stderr] Checking bwasm v0.1.1 [INFO] [stderr] Checking s1vm v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `Branch` is never constructed [INFO] [stdout] --> src/compiler.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum Action { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | Branch(u32), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/compiler.rs:49:3 [INFO] [stdout] | [INFO] [stdout] 47 | struct Block [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 48 | { [INFO] [stdout] 49 | kind: BlockKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Branch` is never constructed [INFO] [stdout] --> src/compiler.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum Action { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | Branch(u32), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/compiler.rs:49:3 [INFO] [stdout] | [INFO] [stdout] 47 | struct Block [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 48 | { [INFO] [stdout] 49 | kind: BlockKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "838b92bb127b119e450a8310182dacba34037e9e6ac7b74405520517bffcc5c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838b92bb127b119e450a8310182dacba34037e9e6ac7b74405520517bffcc5c3", kill_on_drop: false }` [INFO] [stdout] 838b92bb127b119e450a8310182dacba34037e9e6ac7b74405520517bffcc5c3