[INFO] fetching crate rs2-cache 0.3.0...
[INFO] checking rs2-cache-0.3.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate rs2-cache 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rs2-cache 0.3.0 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 rs2-cache 0.3.0
[INFO] finished tweaking crates.io crate rs2-cache 0.3.0
[INFO] tweaked toml for crates.io crate rs2-cache 0.3.0 written to /workspace/builds/worker-5-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 41 packages to latest compatible versions
[INFO] [stderr]       Adding memmap2 v0.5.10 (available: v0.9.5)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding osrs-bytes v0.3.0 (available: v0.5.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95ca8b1c52a022f49f6faa6e1ffead70f6b07284f1d358b1c7f6c33a8588173e
[INFO] running `Command { std: "docker" "start" "-a" "95ca8b1c52a022f49f6faa6e1ffead70f6b07284f1d358b1c7f6c33a8588173e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95ca8b1c52a022f49f6faa6e1ffead70f6b07284f1d358b1c7f6c33a8588173e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ca8b1c52a022f49f6faa6e1ffead70f6b07284f1d358b1c7f6c33a8588173e", kill_on_drop: false }`
[INFO] [stdout] 95ca8b1c52a022f49f6faa6e1ffead70f6b07284f1d358b1c7f6c33a8588173e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269c208247076dded9a8c828f0fbe4636262212986a16ed34ca2cf31fa297dce
[INFO] running `Command { std: "docker" "start" "-a" "269c208247076dded9a8c828f0fbe4636262212986a16ed34ca2cf31fa297dce", kill_on_drop: false }`
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking osrs-bytes v0.3.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking rs2-cache v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_dirty` is never used
[INFO] [stdout]   --> src/archive.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait Archive {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 31 |     fn is_dirty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_dirty` is never used
[INFO] [stdout]   --> src/archive.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait Archive {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 31 |     fn is_dirty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "269c208247076dded9a8c828f0fbe4636262212986a16ed34ca2cf31fa297dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269c208247076dded9a8c828f0fbe4636262212986a16ed34ca2cf31fa297dce", kill_on_drop: false }`
[INFO] [stdout] 269c208247076dded9a8c828f0fbe4636262212986a16ed34ca2cf31fa297dce