[INFO] fetching crate serde-ext 0.1.1... [INFO] checking serde-ext-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate serde-ext 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate serde-ext 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 serde-ext 0.1.1 [INFO] finished tweaking crates.io crate serde-ext 0.1.1 [INFO] tweaked toml for crates.io crate serde-ext 0.1.1 written to /workspace/builds/worker-4-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 34 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.10.1 (available: v0.22.1) [INFO] [stderr] Adding derive_more v0.15.0 (available: v1.0.0) [INFO] [stderr] Adding idna v0.1.5 (available: v1.0.2) [INFO] [stderr] Adding percent-encoding v1.0.1 (available: v2.3.1) [INFO] [stderr] Adding proc-macro2 v0.4.30 (available: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (available: v1.0.37) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding syn v0.15.44 (available: v2.0.79) [INFO] [stderr] Adding unicode-xid v0.1.0 (available: v0.2.6) [INFO] [stderr] Adding url v1.7.2 (available: v2.5.2) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8cd2daf104625eb6337f587e3c8595231619c109fbc464782e3b908e0aac9dd1 [INFO] running `Command { std: "docker" "start" "-a" "8cd2daf104625eb6337f587e3c8595231619c109fbc464782e3b908e0aac9dd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cd2daf104625eb6337f587e3c8595231619c109fbc464782e3b908e0aac9dd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cd2daf104625eb6337f587e3c8595231619c109fbc464782e3b908e0aac9dd1", kill_on_drop: false }` [INFO] [stdout] 8cd2daf104625eb6337f587e3c8595231619c109fbc464782e3b908e0aac9dd1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cc1d832e3c0129263196b3984e4cba837bda97722c3a2afe8446b6dadafdcc36 [INFO] running `Command { std: "docker" "start" "-a" "cc1d832e3c0129263196b3984e4cba837bda97722c3a2afe8446b6dadafdcc36", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling serde-ext-macros v0.1.1 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Checking serde-ext v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `a`, `b`, `url`, `base64_bytes`, and `non_empty_string` are never read [INFO] [stdout] --> examples/simple.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Foo { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 4 | #[serde_ext(default(literal = 23))] [INFO] [stdout] 5 | a: i32, [INFO] [stdout] | ^ [INFO] [stdout] 6 | #[serde_ext(default(inline = r#"|| String::from("Hello") "#))] [INFO] [stdout] 7 | b: String, [INFO] [stdout] | ^ [INFO] [stdout] 8 | #[serde(deserialize_with = "serde_ext::de::parsable")] [INFO] [stdout] 9 | url: url::Url, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | #[serde(with = "serde_ext::base64")] [INFO] [stdout] 11 | base64_bytes: Vec, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 12 | #[serde(deserialize_with = "serde_ext::de::non_empty_string")] [INFO] [stdout] 13 | non_empty_string: Option [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` 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 6.42s [INFO] running `Command { std: "docker" "inspect" "cc1d832e3c0129263196b3984e4cba837bda97722c3a2afe8446b6dadafdcc36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc1d832e3c0129263196b3984e4cba837bda97722c3a2afe8446b6dadafdcc36", kill_on_drop: false }` [INFO] [stdout] cc1d832e3c0129263196b3984e4cba837bda97722c3a2afe8446b6dadafdcc36