[INFO] fetching crate mhtemplate 1.0.0...
[INFO] checking mhtemplate-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mhtemplate 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mhtemplate 1.0.0 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 mhtemplate 1.0.0
[INFO] finished tweaking crates.io crate mhtemplate 1.0.0
[INFO] tweaked toml for crates.io crate mhtemplate 1.0.0 written to /workspace/builds/worker-0-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 6 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6381c186b2cf809fdc5b90c902f296bb99348b17da3bedbe33b4b05a970e8a99
[INFO] running `Command { std: "docker" "start" "-a" "6381c186b2cf809fdc5b90c902f296bb99348b17da3bedbe33b4b05a970e8a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6381c186b2cf809fdc5b90c902f296bb99348b17da3bedbe33b4b05a970e8a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6381c186b2cf809fdc5b90c902f296bb99348b17da3bedbe33b4b05a970e8a99", kill_on_drop: false }`
[INFO] [stdout] 6381c186b2cf809fdc5b90c902f296bb99348b17da3bedbe33b4b05a970e8a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a52d03a59d058e2440d5db2153f34bfae8497c7e269ad990df83ecdcc8c6e1bf
[INFO] running `Command { std: "docker" "start" "-a" "a52d03a59d058e2440d5db2153f34bfae8497c7e269ad990df83ecdcc8c6e1bf", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking mhtemplate v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RawNode` is never constructed
[INFO] [stdout]    --> src/template.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | struct RawNode(String);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RawNode` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]    --> src/template.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct TemplateFactory {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 226 |     source: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TemplateFactory` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RawNode` is never constructed
[INFO] [stdout]    --> src/template.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | struct RawNode(String);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RawNode` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]    --> src/template.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct TemplateFactory {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 226 |     source: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TemplateFactory` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `Command { std: "docker" "inspect" "a52d03a59d058e2440d5db2153f34bfae8497c7e269ad990df83ecdcc8c6e1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52d03a59d058e2440d5db2153f34bfae8497c7e269ad990df83ecdcc8c6e1bf", kill_on_drop: false }`
[INFO] [stdout] a52d03a59d058e2440d5db2153f34bfae8497c7e269ad990df83ecdcc8c6e1bf