[INFO] fetching crate slab 0.4.9... [INFO] checking slab-0.4.9 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate slab 0.4.9 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate slab 0.4.9 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 slab 0.4.9 [INFO] finished tweaking crates.io crate slab 0.4.9 [INFO] tweaked toml for crates.io crate slab 0.4.9 written to /workspace/builds/worker-2-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 9 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4fcc2ee8a01329e93417d3733dab33b2db13feb8d4b07de113825d338fe2917c [INFO] running `Command { std: "docker" "start" "-a" "4fcc2ee8a01329e93417d3733dab33b2db13feb8d4b07de113825d338fe2917c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fcc2ee8a01329e93417d3733dab33b2db13feb8d4b07de113825d338fe2917c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fcc2ee8a01329e93417d3733dab33b2db13feb8d4b07de113825d338fe2917c", kill_on_drop: false }` [INFO] [stdout] 4fcc2ee8a01329e93417d3733dab33b2db13feb8d4b07de113825d338fe2917c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3148d97cd76aecfb20e62483568be34ef1dcec4c30811f11535c9c4d05154b6d [INFO] running `Command { std: "docker" "start" "-a" "3148d97cd76aecfb20e62483568be34ef1dcec4c30811f11535c9c4d05154b6d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling slab v0.4.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_const_vec_new` [INFO] [stdout] --> src/lib.rs:250:15 [INFO] [stdout] | [INFO] [stdout] 250 | #[cfg(not(slab_no_const_vec_new))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_const_vec_new)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_const_vec_new)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_const_vec_new` [INFO] [stdout] --> src/lib.rs:264:11 [INFO] [stdout] | [INFO] [stdout] 264 | #[cfg(slab_no_const_vec_new)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_const_vec_new)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_const_vec_new)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:929:20 [INFO] [stdout] | [INFO] [stdout] 929 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:1098:20 [INFO] [stdout] | [INFO] [stdout] 1098 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:1206:20 [INFO] [stdout] | [INFO] [stdout] 1206 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:1216:20 [INFO] [stdout] | [INFO] [stdout] 1216 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking serde_test v1.0.177 [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_const_vec_new` [INFO] [stdout] --> src/lib.rs:250:15 [INFO] [stdout] | [INFO] [stdout] 250 | #[cfg(not(slab_no_const_vec_new))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_const_vec_new)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_const_vec_new)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_const_vec_new` [INFO] [stdout] --> src/lib.rs:264:11 [INFO] [stdout] | [INFO] [stdout] 264 | #[cfg(slab_no_const_vec_new)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_const_vec_new)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_const_vec_new)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:929:20 [INFO] [stdout] | [INFO] [stdout] 929 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:1098:20 [INFO] [stdout] | [INFO] [stdout] 1098 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:1206:20 [INFO] [stdout] | [INFO] [stdout] 1206 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `slab_no_track_caller` [INFO] [stdout] --> src/lib.rs:1216:20 [INFO] [stdout] | [INFO] [stdout] 1216 | #[cfg_attr(not(slab_no_track_caller), track_caller)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(slab_no_track_caller)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(slab_no_track_caller)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s [INFO] running `Command { std: "docker" "inspect" "3148d97cd76aecfb20e62483568be34ef1dcec4c30811f11535c9c4d05154b6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3148d97cd76aecfb20e62483568be34ef1dcec4c30811f11535c9c4d05154b6d", kill_on_drop: false }` [INFO] [stdout] 3148d97cd76aecfb20e62483568be34ef1dcec4c30811f11535c9c4d05154b6d