[INFO] fetching crate sfo-result 0.2.4...
[INFO] building sfo-result-0.2.4 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate sfo-result 0.2.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sfo-result 0.2.4 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sfo-result 0.2.4
[INFO] finished tweaking crates.io crate sfo-result 0.2.4
[INFO] tweaked toml for crates.io crate sfo-result 0.2.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65ffac4fecdcf48ec46b4ddb33394d8d409841d031005d7aba0f7e0c49f47075
[INFO] running `Command { std: "docker" "start" "-a" "65ffac4fecdcf48ec46b4ddb33394d8d409841d031005d7aba0f7e0c49f47075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65ffac4fecdcf48ec46b4ddb33394d8d409841d031005d7aba0f7e0c49f47075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ffac4fecdcf48ec46b4ddb33394d8d409841d031005d7aba0f7e0c49f47075", kill_on_drop: false }`
[INFO] [stdout] 65ffac4fecdcf48ec46b4ddb33394d8d409841d031005d7aba0f7e0c49f47075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46a8f34c6263068222f734fbc81d718d10db7eb3566b3265a3d1250ae09da1a2
[INFO] running `Command { std: "docker" "start" "-a" "46a8f34c6263068222f734fbc81d718d10db7eb3566b3265a3d1250ae09da1a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfo-result v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "46a8f34c6263068222f734fbc81d718d10db7eb3566b3265a3d1250ae09da1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a8f34c6263068222f734fbc81d718d10db7eb3566b3265a3d1250ae09da1a2", kill_on_drop: false }`
[INFO] [stdout] 46a8f34c6263068222f734fbc81d718d10db7eb3566b3265a3d1250ae09da1a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e37574337bb89d4b58bfa44ef03e40edacff794a0637ec9012fb8d46edaa039d
[INFO] running `Command { std: "docker" "start" "-a" "e37574337bb89d4b58bfa44ef03e40edacff794a0637ec9012fb8d46edaa039d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfo-result v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Test2` is never constructed
[INFO] [stdout]    --> src/lib.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub enum TestCode {
[INFO] [stdout]     |              -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 206 |         Test2,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestCode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "e37574337bb89d4b58bfa44ef03e40edacff794a0637ec9012fb8d46edaa039d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37574337bb89d4b58bfa44ef03e40edacff794a0637ec9012fb8d46edaa039d", kill_on_drop: false }`
[INFO] [stdout] e37574337bb89d4b58bfa44ef03e40edacff794a0637ec9012fb8d46edaa039d