[INFO] fetching crate carpo 0.2.4... [INFO] checking carpo-0.2.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate carpo 0.2.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate carpo 0.2.4 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 carpo 0.2.4 [INFO] finished tweaking crates.io crate carpo 0.2.4 [INFO] tweaked toml for crates.io crate carpo 0.2.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate carpo 0.2.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 27f27bf32194f65b8dc4c77907a3b8b36486397859edd8222dd934fb782b4076 [INFO] running `Command { std: "docker" "start" "-a" "27f27bf32194f65b8dc4c77907a3b8b36486397859edd8222dd934fb782b4076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27f27bf32194f65b8dc4c77907a3b8b36486397859edd8222dd934fb782b4076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27f27bf32194f65b8dc4c77907a3b8b36486397859edd8222dd934fb782b4076", kill_on_drop: false }` [INFO] [stdout] 27f27bf32194f65b8dc4c77907a3b8b36486397859edd8222dd934fb782b4076 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6b08a718cc056ec31cc8e1a21996e44f4603cad635d3553e9b6f0aca56311d70 [INFO] running `Command { std: "docker" "start" "-a" "6b08a718cc056ec31cc8e1a21996e44f4603cad635d3553e9b6f0aca56311d70", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling unicode-segmentation v1.5.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking open v1.3.2 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking sciter-rs v0.5.46 [INFO] [stderr] Compiling libsqlite3-sys v0.16.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling structopt-derive v0.3.3 [INFO] [stderr] Checking structopt v0.3.3 [INFO] [stderr] Checking serde_json v1.0.42 [INFO] [stderr] Checking rusqlite v0.20.0 [INFO] [stderr] Checking carpo v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / &self.conn.execute( [INFO] [stdout] 30 | | r#" [INFO] [stdout] 31 | | create table if not exists tags( [INFO] [stdout] 32 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 35 | | NO_PARAMS, [INFO] [stdout] 36 | | )?; [INFO] [stdout] | |__________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 29 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | / &self.conn.execute( [INFO] [stdout] 39 | | r#" [INFO] [stdout] 40 | | CREATE TABLE IF NOT EXISTS files( [INFO] [stdout] 41 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 45 | | NO_PARAMS, [INFO] [stdout] 46 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | / &self.conn.execute( [INFO] [stdout] 49 | | r#" [INFO] [stdout] 50 | | CREATE TABLE IF NOT EXISTS files_tags( [INFO] [stdout] 51 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 57 | | NO_PARAMS, [INFO] [stdout] 58 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / &self.conn.execute( [INFO] [stdout] 30 | | r#" [INFO] [stdout] 31 | | create table if not exists tags( [INFO] [stdout] 32 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 35 | | NO_PARAMS, [INFO] [stdout] 36 | | )?; [INFO] [stdout] | |__________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 29 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | / &self.conn.execute( [INFO] [stdout] 39 | | r#" [INFO] [stdout] 40 | | CREATE TABLE IF NOT EXISTS files( [INFO] [stdout] 41 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 45 | | NO_PARAMS, [INFO] [stdout] 46 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | / &self.conn.execute( [INFO] [stdout] 49 | | r#" [INFO] [stdout] 50 | | CREATE TABLE IF NOT EXISTS files_tags( [INFO] [stdout] 51 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 57 | | NO_PARAMS, [INFO] [stdout] 58 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / &self.conn.execute( [INFO] [stdout] 30 | | r#" [INFO] [stdout] 31 | | create table if not exists tags( [INFO] [stdout] 32 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 35 | | NO_PARAMS, [INFO] [stdout] 36 | | )?; [INFO] [stdout] | |__________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 29 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | / &self.conn.execute( [INFO] [stdout] 39 | | r#" [INFO] [stdout] 40 | | CREATE TABLE IF NOT EXISTS files( [INFO] [stdout] 41 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 45 | | NO_PARAMS, [INFO] [stdout] 46 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | / &self.conn.execute( [INFO] [stdout] 49 | | r#" [INFO] [stdout] 50 | | CREATE TABLE IF NOT EXISTS files_tags( [INFO] [stdout] 51 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 57 | | NO_PARAMS, [INFO] [stdout] 58 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | / &self.conn.execute( [INFO] [stdout] 30 | | r#" [INFO] [stdout] 31 | | create table if not exists tags( [INFO] [stdout] 32 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 35 | | NO_PARAMS, [INFO] [stdout] 36 | | )?; [INFO] [stdout] | |__________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 29 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | / &self.conn.execute( [INFO] [stdout] 39 | | r#" [INFO] [stdout] 40 | | CREATE TABLE IF NOT EXISTS files( [INFO] [stdout] 41 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 45 | | NO_PARAMS, [INFO] [stdout] 46 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tags.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | / &self.conn.execute( [INFO] [stdout] 49 | | r#" [INFO] [stdout] 50 | | CREATE TABLE IF NOT EXISTS files_tags( [INFO] [stdout] 51 | | id integer primary key autoincrement, [INFO] [stdout] ... | [INFO] [stdout] 57 | | NO_PARAMS, [INFO] [stdout] 58 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = &self.conn.execute( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.46s [INFO] running `Command { std: "docker" "inspect" "6b08a718cc056ec31cc8e1a21996e44f4603cad635d3553e9b6f0aca56311d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b08a718cc056ec31cc8e1a21996e44f4603cad635d3553e9b6f0aca56311d70", kill_on_drop: false }` [INFO] [stdout] 6b08a718cc056ec31cc8e1a21996e44f4603cad635d3553e9b6f0aca56311d70