[INFO] fetching crate persistence 0.0.6... [INFO] checking persistence-0.0.6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate persistence 0.0.6 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate persistence 0.0.6 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 persistence 0.0.6 [INFO] finished tweaking crates.io crate persistence 0.0.6 [INFO] tweaked toml for crates.io crate persistence 0.0.6 written to /workspace/builds/worker-3-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] Updating crates.io index [INFO] [stderr] Locking 27 packages to latest compatible versions [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 56787b5d8957232230c2fea16276fdbbea840331cec9fce419685fb0996a11fa [INFO] running `Command { std: "docker" "start" "-a" "56787b5d8957232230c2fea16276fdbbea840331cec9fce419685fb0996a11fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56787b5d8957232230c2fea16276fdbbea840331cec9fce419685fb0996a11fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56787b5d8957232230c2fea16276fdbbea840331cec9fce419685fb0996a11fa", kill_on_drop: false }` [INFO] [stdout] 56787b5d8957232230c2fea16276fdbbea840331cec9fce419685fb0996a11fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e3b619953f75eb29b19efc62ffcdfe3492a5bc21b84d3122e0ffdf609d91538e [INFO] running `Command { std: "docker" "start" "-a" "e3b619953f75eb29b19efc62ffcdfe3492a5bc21b84d3122e0ffdf609d91538e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking persistence v0.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file` and `mm` are never read [INFO] [stdout] --> src/lib.rs:146:3 [INFO] [stdout] | [INFO] [stdout] 144 | pub struct MmapedVec [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 145 | { [INFO] [stdout] 146 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] 147 | mm: MmapMut, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:400:20 [INFO] [stdout] | [INFO] [stdout] 400 | assert!(mv_err.description().ends_with("Magic bytes mismatch.")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:418:20 [INFO] [stdout] | [INFO] [stdout] 418 | assert!(mv_err.description().contains("shorter than the expected header size")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:436:20 [INFO] [stdout] | [INFO] [stdout] 436 | assert!(mv_err.description().contains("not an integer multiple of the size of the data type")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:456:20 [INFO] [stdout] | [INFO] [stdout] 456 | assert!(mv_err.description().ends_with("Endianness-marker invalid.")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:482:20 [INFO] [stdout] | [INFO] [stdout] 482 | assert!(mv_err.description().ends_with("Wrong endianness.")); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | let mut mm = unsafe { MmapMut::map_mut(&file)? }; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file` and `mm` are never read [INFO] [stdout] --> src/lib.rs:146:3 [INFO] [stdout] | [INFO] [stdout] 144 | pub struct MmapedVec [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 145 | { [INFO] [stdout] 146 | file: File, [INFO] [stdout] | ^^^^ [INFO] [stdout] 147 | mm: MmapMut, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s [INFO] running `Command { std: "docker" "inspect" "e3b619953f75eb29b19efc62ffcdfe3492a5bc21b84d3122e0ffdf609d91538e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3b619953f75eb29b19efc62ffcdfe3492a5bc21b84d3122e0ffdf609d91538e", kill_on_drop: false }` [INFO] [stdout] e3b619953f75eb29b19efc62ffcdfe3492a5bc21b84d3122e0ffdf609d91538e