[INFO] fetching crate readable 0.16.0... [INFO] checking readable-0.16.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate readable 0.16.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate readable 0.16.0 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 readable 0.16.0 [INFO] finished tweaking crates.io crate readable 0.16.0 [INFO] tweaked toml for crates.io crate readable 0.16.0 written to /workspace/builds/worker-0-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 80 packages to latest compatible versions [INFO] [stderr] Adding compact_str v0.7.1 (available: v0.8.0) [INFO] [stderr] Adding convert_case v0.4.0 (available: v0.6.0) [INFO] [stderr] Adding derive_more v0.99.18 (available: v1.0.0) [INFO] [stderr] Adding virtue v0.0.13 (available: v0.0.17) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-strings v0.1.0 (available: v0.2.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e9f87edcd7d419833f43dfaacc428c359cd2a317b85406da485556f92349538 [INFO] running `Command { std: "docker" "start" "-a" "3e9f87edcd7d419833f43dfaacc428c359cd2a317b85406da485556f92349538", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e9f87edcd7d419833f43dfaacc428c359cd2a317b85406da485556f92349538", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e9f87edcd7d419833f43dfaacc428c359cd2a317b85406da485556f92349538", kill_on_drop: false }` [INFO] [stdout] 3e9f87edcd7d419833f43dfaacc428c359cd2a317b85406da485556f92349538 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f712d7dcefc77bd35ddb48a7a292161ad1c148c7dd088ba8934955ec2cab7abf [INFO] running `Command { std: "docker" "start" "-a" "f712d7dcefc77bd35ddb48a7a292161ad1c148c7dd088ba8934955ec2cab7abf", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Compiling virtue v0.0.13 [INFO] [stderr] Compiling winnow v0.6.20 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling bincode_derive v2.0.0-rc.3 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling borsh v1.5.1 [INFO] [stderr] Checking castaway v0.2.3 [INFO] [stderr] Checking bytes v1.7.2 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking iana-time-zone v0.1.61 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling syn_derive v0.1.8 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling borsh-derive v1.5.1 [INFO] [stderr] Checking bincode v2.0.0-rc.3 [INFO] [stderr] Checking compact_str v0.7.1 [INFO] [stderr] Checking nichi v0.5.1 [INFO] [stderr] Checking readable v0.16.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `impl_not_const` [INFO] [stdout] --> src/macros.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | macro_rules! impl_not_const { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `impl_not_const` [INFO] [stdout] --> src/macros.rs:87:16 [INFO] [stdout] | [INFO] [stdout] 87 | pub(crate) use impl_not_const; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `impl_nonu` [INFO] [stdout] --> src/num/int.rs:573:14 [INFO] [stdout] | [INFO] [stdout] 573 | macro_rules! impl_nonu { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CompactString` [INFO] [stdout] --> src/num/float.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use compact_str::{format_compact,CompactString}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `unix` [INFO] [stdout] --> src/up/sys_uptime.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | #[cfg(all(target_os = "unix", not(target_os = "linux")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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: unused macro definition: `impl_not_const` [INFO] [stdout] --> src/macros.rs:54:14 [INFO] [stdout] | [INFO] [stdout] 54 | macro_rules! impl_not_const { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `impl_not_const` [INFO] [stdout] --> src/macros.rs:87:16 [INFO] [stdout] | [INFO] [stdout] 87 | pub(crate) use impl_not_const; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `impl_nonu` [INFO] [stdout] --> src/num/int.rs:573:14 [INFO] [stdout] | [INFO] [stdout] 573 | macro_rules! impl_nonu { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CompactString` [INFO] [stdout] --> src/num/float.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use compact_str::{format_compact,CompactString}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/run/runtime_union.rs:380:6 [INFO] [stdout] | [INFO] [stdout] 380 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `unix` [INFO] [stdout] --> src/up/sys_uptime.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | #[cfg(all(target_os = "unix", not(target_os = "linux")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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: unused import: `super::*` [INFO] [stdout] --> src/time/time_unit.rs:849:6 [INFO] [stdout] | [INFO] [stdout] 849 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/time/time.rs:478:6 [INFO] [stdout] | [INFO] [stdout] 478 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/time/military.rs:400:6 [INFO] [stdout] | [INFO] [stdout] 400 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/byte/byte.rs:463:6 [INFO] [stdout] | [INFO] [stdout] 463 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/up/sys_uptime.rs:118:2 [INFO] [stdout] | [INFO] [stdout] 115 | return timespec.tv_sec as u32; [INFO] [stdout] | ----------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 118 | 0 [INFO] [stdout] | ^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/up/sys_uptime.rs:118:2 [INFO] [stdout] | [INFO] [stdout] 115 | return timespec.tv_sec as u32; [INFO] [stdout] | ----------------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 118 | 0 [INFO] [stdout] | ^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sealed` is never used [INFO] [stdout] --> src/time/systime.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | trait Sealed {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sealed` is never used [INFO] [stdout] --> src/date/sysdate.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | trait Sealed {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> src/str/str.rs:129:3 [INFO] [stdout] | [INFO] [stdout] 129 | Self::CAPACITY; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> src/str/str.rs:174:3 [INFO] [stdout] | [INFO] [stdout] 174 | Self::CAPACITY; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sealed` is never used [INFO] [stdout] --> src/time/systime.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | trait Sealed {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sealed` is never used [INFO] [stdout] --> src/date/sysdate.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | trait Sealed {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> src/str/str.rs:129:3 [INFO] [stdout] | [INFO] [stdout] 129 | Self::CAPACITY; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> src/str/str.rs:174:3 [INFO] [stdout] | [INFO] [stdout] 174 | Self::CAPACITY; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.48s [INFO] running `Command { std: "docker" "inspect" "f712d7dcefc77bd35ddb48a7a292161ad1c148c7dd088ba8934955ec2cab7abf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f712d7dcefc77bd35ddb48a7a292161ad1c148c7dd088ba8934955ec2cab7abf", kill_on_drop: false }` [INFO] [stdout] f712d7dcefc77bd35ddb48a7a292161ad1c148c7dd088ba8934955ec2cab7abf