[INFO] fetching crate derive-quickcheck-arbitrary 0.1.3... [INFO] checking derive-quickcheck-arbitrary-0.1.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate derive-quickcheck-arbitrary 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate derive-quickcheck-arbitrary 0.1.3 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate derive-quickcheck-arbitrary 0.1.3 [INFO] finished tweaking crates.io crate derive-quickcheck-arbitrary 0.1.3 [INFO] tweaked toml for crates.io crate derive-quickcheck-arbitrary 0.1.3 written to /workspace/builds/worker-0-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.8.4 (available: v0.11.5) [INFO] [stderr] Adding structmeta v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding structmeta-derive v0.2.0 (available: v0.3.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e128cf8d22a718b42f1f5c8b72a2edfc5d4a650c41d1f58786c3c9faf3ed93e5 [INFO] running `Command { std: "docker" "start" "-a" "e128cf8d22a718b42f1f5c8b72a2edfc5d4a650c41d1f58786c3c9faf3ed93e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e128cf8d22a718b42f1f5c8b72a2edfc5d4a650c41d1f58786c3c9faf3ed93e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e128cf8d22a718b42f1f5c8b72a2edfc5d4a650c41d1f58786c3c9faf3ed93e5", kill_on_drop: false }` [INFO] [stdout] e128cf8d22a718b42f1f5c8b72a2edfc5d4a650c41d1f58786c3c9faf3ed93e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c7eb06b8f1b9ae12f60ede219fd36c58a54c9496318aa6d5147f2a0b1ef433e3 [INFO] running `Command { std: "docker" "start" "-a" "c7eb06b8f1b9ae12f60ede219fd36c58a54c9496318aa6d5147f2a0b1ef433e3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking unicode-ident v1.0.13 [INFO] [stderr] Checking winnow v0.6.20 [INFO] [stderr] Compiling trybuild v1.0.99 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking syn v2.0.79 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking toml_edit v0.22.22 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Compiling structmeta-derive v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking toml v0.8.19 [INFO] [stderr] Checking structmeta v0.2.0 [INFO] [stderr] Checking derive-quickcheck-arbitrary v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/simple.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 25 | Named(String), [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Shaver` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 25 | Named(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/simple.rs:28:47 [INFO] [stdout] | [INFO] [stdout] 28 | Empty(#[arbitrary(gen(|_|String::new()))] String), [INFO] [stdout] | ----- field in this variant ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Shaver` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 | Empty(#[arbitrary(gen(|_|String::new()))] ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.05s [INFO] running `Command { std: "docker" "inspect" "c7eb06b8f1b9ae12f60ede219fd36c58a54c9496318aa6d5147f2a0b1ef433e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7eb06b8f1b9ae12f60ede219fd36c58a54c9496318aa6d5147f2a0b1ef433e3", kill_on_drop: false }` [INFO] [stdout] c7eb06b8f1b9ae12f60ede219fd36c58a54c9496318aa6d5147f2a0b1ef433e3