[INFO] fetching crate unison 0.3.2... [INFO] checking unison-0.3.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate unison 0.3.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate unison 0.3.2 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 unison 0.3.2 [INFO] finished tweaking crates.io crate unison 0.3.2 [INFO] tweaked toml for crates.io crate unison 0.3.2 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 31 packages to latest compatible versions [INFO] [stderr] Adding dtoa v0.4.8 (available: v1.0.9) [INFO] [stderr] Adding memsec v0.3.4 (available: v0.7.0) [INFO] [stderr] Adding rand v0.3.23 (available: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding seckey v0.6.1 (available: v0.12.1) [INFO] [stderr] Adding serde_yaml v0.7.5 (available: v0.9.34+deprecated) [INFO] [stderr] Adding toml v0.4.10 (available: v0.8.19) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [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] ed5be9c3ccb41714ec07e49097be37709c116ee9ae2c34f12ea7d4a68ef4681d [INFO] running `Command { std: "docker" "start" "-a" "ed5be9c3ccb41714ec07e49097be37709c116ee9ae2c34f12ea7d4a68ef4681d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed5be9c3ccb41714ec07e49097be37709c116ee9ae2c34f12ea7d4a68ef4681d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed5be9c3ccb41714ec07e49097be37709c116ee9ae2c34f12ea7d4a68ef4681d", kill_on_drop: false }` [INFO] [stdout] ed5be9c3ccb41714ec07e49097be37709c116ee9ae2c34f12ea7d4a68ef4681d [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] 6ea3d14bf6516d5f053181f031ad4e98b981bad6cb45d899fc792251111a395c [INFO] running `Command { std: "docker" "start" "-a" "6ea3d14bf6516d5f053181f031ad4e98b981bad6cb45d899fc792251111a395c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling memsec v0.3.4 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking seckey v0.6.1 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking serde_yaml v0.7.5 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking unison v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SecretGuard` [INFO] [stdout] --> src/value/mod.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | pub use self::value::{SecretGuard, Value}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SecretGuard` [INFO] [stdout] --> src/value/mod.rs:9:23 [INFO] [stdout] | [INFO] [stdout] 9 | pub use self::value::{SecretGuard, Value}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/config/inner.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env::{current_dir, home_dir}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/config/inner.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | if let Some(home_path) = home_dir() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/config/inner.rs:4:29 [INFO] [stdout] | [INFO] [stdout] 4 | use std::env::{current_dir, home_dir}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead. [INFO] [stdout] --> src/config/inner.rs:47:30 [INFO] [stdout] | [INFO] [stdout] 47 | if let Some(home_path) = home_dir() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/config/config.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | / mem::replace( [INFO] [stdout] 25 | | &mut self.inner, [INFO] [stdout] 26 | | Arc::new(Inner::load(&self.application_name)?), [INFO] [stdout] 27 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/config/config.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | / mem::replace( [INFO] [stdout] 25 | | &mut self.inner, [INFO] [stdout] 26 | | Arc::new(Inner::load(&self.application_name)?), [INFO] [stdout] 27 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/value/evaluation.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | mem::replace(self, value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 117 | let _ = mem::replace(self, value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/value/evaluation.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | mem::replace(self, value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 117 | let _ = mem::replace(self, value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim` that must be used [INFO] [stdout] --> src/value/from_src.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | src_sample.trim(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = src_sample.trim(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim` that must be used [INFO] [stdout] --> src/value/from_src.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | src_sample.trim(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = src_sample.trim(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s [INFO] running `Command { std: "docker" "inspect" "6ea3d14bf6516d5f053181f031ad4e98b981bad6cb45d899fc792251111a395c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ea3d14bf6516d5f053181f031ad4e98b981bad6cb45d899fc792251111a395c", kill_on_drop: false }` [INFO] [stdout] 6ea3d14bf6516d5f053181f031ad4e98b981bad6cb45d899fc792251111a395c