[INFO] fetching crate cargo-todo 0.2.1... [INFO] checking cargo-todo-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate cargo-todo 0.2.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate cargo-todo 0.2.1 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 cargo-todo 0.2.1 [INFO] finished tweaking crates.io crate cargo-todo 0.2.1 [INFO] tweaked toml for crates.io crate cargo-todo 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate cargo-todo 0.2.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ffed33d8798ca25f4a47bee73c350b6ec19bb1d900d8c68f361856d8fc0d955a [INFO] running `Command { std: "docker" "start" "-a" "ffed33d8798ca25f4a47bee73c350b6ec19bb1d900d8c68f361856d8fc0d955a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffed33d8798ca25f4a47bee73c350b6ec19bb1d900d8c68f361856d8fc0d955a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffed33d8798ca25f4a47bee73c350b6ec19bb1d900d8c68f361856d8fc0d955a", kill_on_drop: false }` [INFO] [stdout] ffed33d8798ca25f4a47bee73c350b6ec19bb1d900d8c68f361856d8fc0d955a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 114343675bcfa6e17c925bedf00dd32eab625be37f20027c6f3f4099a3718b11 [INFO] running `Command { std: "docker" "start" "-a" "114343675bcfa6e17c925bedf00dd32eab625be37f20027c6f3f4099a3718b11", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking string-parser v0.1.5 [INFO] [stderr] Checking string_format v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking cargo-todo v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | &new_tokens.push(i.clone()); [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] 249 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:267:25 [INFO] [stdout] | [INFO] [stdout] 267 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 267 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:281:25 [INFO] [stdout] | [INFO] [stdout] 281 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 281 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 299 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | &new_tokens.push(i.clone()); [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] 249 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:267:25 [INFO] [stdout] | [INFO] [stdout] 267 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 267 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:281:25 [INFO] [stdout] | [INFO] [stdout] 281 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 281 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 299 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.79s [INFO] running `Command { std: "docker" "inspect" "114343675bcfa6e17c925bedf00dd32eab625be37f20027c6f3f4099a3718b11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "114343675bcfa6e17c925bedf00dd32eab625be37f20027c6f3f4099a3718b11", kill_on_drop: false }` [INFO] [stdout] 114343675bcfa6e17c925bedf00dd32eab625be37f20027c6f3f4099a3718b11