[INFO] fetching crate serde_transmute 0.1.4... [INFO] checking serde_transmute-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate serde_transmute 0.1.4 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate serde_transmute 0.1.4 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_transmute 0.1.4 [INFO] finished tweaking crates.io crate serde_transmute 0.1.4 [INFO] tweaked toml for crates.io crate serde_transmute 0.1.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52bd4764fe098f7b370b50a10860559feb40c4377d93a323c727599c7a616be2 [INFO] running `Command { std: "docker" "start" "-a" "52bd4764fe098f7b370b50a10860559feb40c4377d93a323c727599c7a616be2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52bd4764fe098f7b370b50a10860559feb40c4377d93a323c727599c7a616be2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52bd4764fe098f7b370b50a10860559feb40c4377d93a323c727599c7a616be2", kill_on_drop: false }` [INFO] [stdout] 52bd4764fe098f7b370b50a10860559feb40c4377d93a323c727599c7a616be2 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd8aac66dd54aaab389cb602d341e7b2c1f56d0015fdc141ea009778c7f639b6 [INFO] running `Command { std: "docker" "start" "-a" "bd8aac66dd54aaab389cb602d341e7b2c1f56d0015fdc141ea009778c7f639b6", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking serde_transmute v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:42:19 [INFO] [stdout] | [INFO] [stdout] 42 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:59:37 [INFO] [stdout] | [INFO] [stdout] 59 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/lib.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | name: &'static str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variants` [INFO] [stdout] --> src/lib.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | variants: &'static [&'static str], [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/lib.rs:483:9 [INFO] [stdout] | [INFO] [stdout] 483 | len: usize, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:515:9 [INFO] [stdout] | [INFO] [stdout] 515 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:42:19 [INFO] [stdout] | [INFO] [stdout] 42 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:52:37 [INFO] [stdout] | [INFO] [stdout] 52 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/lib.rs:59:37 [INFO] [stdout] | [INFO] [stdout] 59 | fn custom(t: T) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/lib.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | name: &'static str, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variants` [INFO] [stdout] --> src/lib.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | variants: &'static [&'static str], [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variants` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/lib.rs:483:9 [INFO] [stdout] | [INFO] [stdout] 483 | len: usize, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fields` [INFO] [stdout] --> src/lib.rs:515:9 [INFO] [stdout] | [INFO] [stdout] 515 | fields: &'static [&'static str], [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1015:9 [INFO] [stdout] | [INFO] [stdout] 1014 | UnitStruct { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] 1015 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1017 | UnitVariant { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1018 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1023:9 [INFO] [stdout] | [INFO] [stdout] 1022 | NewtypeStruct { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1023 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1027:9 [INFO] [stdout] | [INFO] [stdout] 1026 | NewtypeVariant { [INFO] [stdout] | -------------- field in this variant [INFO] [stdout] 1027 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1035:9 [INFO] [stdout] | [INFO] [stdout] 1034 | TupleStruct { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1035 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1038 | TupleVariant { [INFO] [stdout] | ------------ field in this variant [INFO] [stdout] 1039 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1047:9 [INFO] [stdout] | [INFO] [stdout] 1046 | Struct { [INFO] [stdout] | ------ field in this variant [INFO] [stdout] 1047 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1051:9 [INFO] [stdout] | [INFO] [stdout] 1050 | StructVariant { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1051 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1015:9 [INFO] [stdout] | [INFO] [stdout] 1014 | UnitStruct { [INFO] [stdout] | ---------- field in this variant [INFO] [stdout] 1015 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1018:9 [INFO] [stdout] | [INFO] [stdout] 1017 | UnitVariant { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1018 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1023:9 [INFO] [stdout] | [INFO] [stdout] 1022 | NewtypeStruct { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1023 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1027:9 [INFO] [stdout] | [INFO] [stdout] 1026 | NewtypeVariant { [INFO] [stdout] | -------------- field in this variant [INFO] [stdout] 1027 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1035:9 [INFO] [stdout] | [INFO] [stdout] 1034 | TupleStruct { [INFO] [stdout] | ----------- field in this variant [INFO] [stdout] 1035 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1039:9 [INFO] [stdout] | [INFO] [stdout] 1038 | TupleVariant { [INFO] [stdout] | ------------ field in this variant [INFO] [stdout] 1039 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1047:9 [INFO] [stdout] | [INFO] [stdout] 1046 | Struct { [INFO] [stdout] | ------ field in this variant [INFO] [stdout] 1047 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:1051:9 [INFO] [stdout] | [INFO] [stdout] 1050 | StructVariant { [INFO] [stdout] | ------------- field in this variant [INFO] [stdout] 1051 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.04s [INFO] running `Command { std: "docker" "inspect" "bd8aac66dd54aaab389cb602d341e7b2c1f56d0015fdc141ea009778c7f639b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd8aac66dd54aaab389cb602d341e7b2c1f56d0015fdc141ea009778c7f639b6", kill_on_drop: false }` [INFO] [stdout] bd8aac66dd54aaab389cb602d341e7b2c1f56d0015fdc141ea009778c7f639b6