[INFO] fetching crate mio-serial 5.0.5... [INFO] building mio-serial-5.0.5 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate mio-serial 5.0.5 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mio-serial 5.0.5 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mio-serial 5.0.5 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mio-serial 5.0.5 [INFO] tweaked toml for crates.io crate mio-serial 5.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate mio-serial 5.0.5 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cec1b5ebcca3897f94e8ec1afb4c5c6024bea12714f825780e7888852b79a76c [INFO] running `Command { std: "docker" "start" "-a" "cec1b5ebcca3897f94e8ec1afb4c5c6024bea12714f825780e7888852b79a76c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cec1b5ebcca3897f94e8ec1afb4c5c6024bea12714f825780e7888852b79a76c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cec1b5ebcca3897f94e8ec1afb4c5c6024bea12714f825780e7888852b79a76c", kill_on_drop: false }` [INFO] [stdout] cec1b5ebcca3897f94e8ec1afb4c5c6024bea12714f825780e7888852b79a76c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98bcd266abffa6afcbd1c3ef1458b7b528a0f3a6f28f65e65f8183129d7c544e [INFO] running `Command { std: "docker" "start" "-a" "98bcd266abffa6afcbd1c3ef1458b7b528a0f3a6f28f65e65f8183129d7c544e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling mio v0.8.5 [INFO] [stderr] Compiling nix v0.26.2 [INFO] [stderr] Compiling serialport v4.2.0 [INFO] [stderr] Compiling mio-serial v5.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `never` [INFO] [stdout] --> src/lib.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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: `never` [INFO] [stdout] --> src/lib.rs:498:11 [INFO] [stdout] | [INFO] [stdout] 498 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s [INFO] running `Command { std: "docker" "inspect" "98bcd266abffa6afcbd1c3ef1458b7b528a0f3a6f28f65e65f8183129d7c544e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98bcd266abffa6afcbd1c3ef1458b7b528a0f3a6f28f65e65f8183129d7c544e", kill_on_drop: false }` [INFO] [stdout] 98bcd266abffa6afcbd1c3ef1458b7b528a0f3a6f28f65e65f8183129d7c544e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cc596a790d1295244722990cc4fb2ea237afce08c5be75169d11f0610efbd2f [INFO] running `Command { std: "docker" "start" "-a" "6cc596a790d1295244722990cc4fb2ea237afce08c5be75169d11f0610efbd2f", kill_on_drop: false }` [INFO] [stderr] Compiling io-lifetimes v1.0.5 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustix v0.36.8 [INFO] [stderr] Compiling linux-raw-sys v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stdout] warning: unexpected `cfg` condition name: `never` [INFO] [stdout] --> src/lib.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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: `never` [INFO] [stdout] --> src/lib.rs:498:11 [INFO] [stdout] | [INFO] [stdout] 498 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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 aho-corasick v0.7.20 [INFO] [stderr] Compiling regex v1.7.1 [INFO] [stderr] Compiling is-terminal v0.4.3 [INFO] [stderr] Compiling env_logger v0.10.0 [INFO] [stderr] Compiling mio-serial v5.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `never` [INFO] [stdout] --> src/lib.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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: `never` [INFO] [stdout] --> src/lib.rs:498:11 [INFO] [stdout] | [INFO] [stdout] 498 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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: `never` [INFO] [stdout] --> tests/test_serialstream.rs:160:7 [INFO] [stdout] | [INFO] [stdout] 160 | #[cfg(never)] [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(never)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(never)");` 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.21s [INFO] running `Command { std: "docker" "inspect" "6cc596a790d1295244722990cc4fb2ea237afce08c5be75169d11f0610efbd2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cc596a790d1295244722990cc4fb2ea237afce08c5be75169d11f0610efbd2f", kill_on_drop: false }` [INFO] [stdout] 6cc596a790d1295244722990cc4fb2ea237afce08c5be75169d11f0610efbd2f