[INFO] fetching crate ttserver 0.2.35... [INFO] checking ttserver-0.2.35 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ttserver 0.2.35 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate ttserver 0.2.35 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 ttserver 0.2.35 [INFO] finished tweaking crates.io crate ttserver 0.2.35 [INFO] tweaked toml for crates.io crate ttserver 0.2.35 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate ttserver 0.2.35 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 487b0471d1e30b87e5b2c35e867769137319698d79889b2887ca65e4bcf76f0e [INFO] running `Command { std: "docker" "start" "-a" "487b0471d1e30b87e5b2c35e867769137319698d79889b2887ca65e4bcf76f0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "487b0471d1e30b87e5b2c35e867769137319698d79889b2887ca65e4bcf76f0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "487b0471d1e30b87e5b2c35e867769137319698d79889b2887ca65e4bcf76f0e", kill_on_drop: false }` [INFO] [stdout] 487b0471d1e30b87e5b2c35e867769137319698d79889b2887ca65e4bcf76f0e [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 695a2e91a8194a2cbe181a82a6402cded0ea08e8a86620a99a638f77e246c406 [INFO] running `Command { std: "docker" "start" "-a" "695a2e91a8194a2cbe181a82a6402cded0ea08e8a86620a99a638f77e246c406", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.45 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Checking futures-sink v0.3.6 [INFO] [stderr] Checking futures-core v0.3.6 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-task v0.3.6 [INFO] [stderr] Checking futures-io v0.3.6 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking futures-channel v0.3.6 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling standback v0.2.11 [INFO] [stderr] Compiling time v0.2.22 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking flate2 v1.0.18 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling futures-macro v0.3.6 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking futures-util v0.3.6 [INFO] [stderr] Checking myutil v0.2.622 [INFO] [stderr] Checking futures-executor v0.3.6 [INFO] [stderr] Checking futures v0.3.6 [INFO] [stderr] Checking ttcore_def v0.2.35 [INFO] [stderr] Checking ttserver_def v0.2.34 [INFO] [stderr] Checking ttcore v0.2.35 [INFO] [stderr] Checking ttserver v0.2.35 (/opt/rustwide/workdir) [INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument [INFO] [stdout] --> src/util.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | #[macro_export(crate)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_macro_export_arguments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument [INFO] [stdout] --> src/util.rs:22:16 [INFO] [stdout] | [INFO] [stdout] 22 | #[macro_export(crate)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_macro_export_arguments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument [INFO] [stdout] --> src/util.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | #[macro_export(crate)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument [INFO] [stdout] --> src/util.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 42 | #[macro_export(crate)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/cfg.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | unsafe { CFG.as_ref() } [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/cfg.rs:40:14 [INFO] [stdout] | [INFO] [stdout] 40 | unsafe { CFG.as_ref() } [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `Linux` [INFO] [stdout] --> src/bin/ttserver.rs:85:11 [INFO] [stdout] | [INFO] [stdout] 85 | #[cfg(target_os = "Linux")] [INFO] [stdout] | ^^^^^^^^^^^^------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"linux"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, and `vxworks` and 5 more [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 value: `Linux` [INFO] [stdout] --> src/bin/ttserver.rs:85:11 [INFO] [stdout] | [INFO] [stdout] 85 | #[cfg(target_os = "Linux")] [INFO] [stdout] | ^^^^^^^^^^^^------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"linux"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, `unknown`, `visionos`, `vita`, and `vxworks` and 5 more [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.16s [INFO] running `Command { std: "docker" "inspect" "695a2e91a8194a2cbe181a82a6402cded0ea08e8a86620a99a638f77e246c406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "695a2e91a8194a2cbe181a82a6402cded0ea08e8a86620a99a638f77e246c406", kill_on_drop: false }` [INFO] [stdout] 695a2e91a8194a2cbe181a82a6402cded0ea08e8a86620a99a638f77e246c406