[INFO] fetching crate twiggy-parser 0.7.0...
[INFO] checking twiggy-parser-0.7.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate twiggy-parser 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate twiggy-parser 0.7.0 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 twiggy-parser 0.7.0
[INFO] finished tweaking crates.io crate twiggy-parser 0.7.0
[INFO] tweaked toml for crates.io crate twiggy-parser 0.7.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding cpp_demangle v0.3.5 (available: v0.4.4)
[INFO] [stderr]       Adding fallible-iterator v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (available: v0.5.7)
[INFO] [stderr]       Adding gimli v0.25.0 (available: v0.31.0)
[INFO] [stderr]       Adding goblin v0.1.3 (available: v0.8.2)
[INFO] [stderr]       Adding object v0.17.0 (available: v0.36.4)
[INFO] [stderr]       Adding parity-wasm v0.41.0 (available: v0.45.0)
[INFO] [stderr]       Adding scroll v0.10.2 (available: v0.12.0)
[INFO] [stderr]       Adding scroll_derive v0.10.5 (available: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[INFO] [stderr]       Adding target-lexicon v0.10.0 (available: v0.12.16)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.10.0)
[INFO] [stderr]       Adding wasmparser v0.35.3 (available: v0.217.0)
[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-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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7363e4f1ec71007f0bcab625ec3d9ad03cf0ae1469b5eeb5a821f3e530995a0
[INFO] running `Command { std: "docker" "start" "-a" "b7363e4f1ec71007f0bcab625ec3d9ad03cf0ae1469b5eeb5a821f3e530995a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7363e4f1ec71007f0bcab625ec3d9ad03cf0ae1469b5eeb5a821f3e530995a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7363e4f1ec71007f0bcab625ec3d9ad03cf0ae1469b5eeb5a821f3e530995a0", kill_on_drop: false }`
[INFO] [stdout] b7363e4f1ec71007f0bcab625ec3d9ad03cf0ae1469b5eeb5a821f3e530995a0
[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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90e6e711f7bec91456b73a9d01162330ac1054c43526b20665e974ea1d68f495
[INFO] running `Command { std: "docker" "start" "-a" "90e6e711f7bec91456b73a9d01162330ac1054c43526b20665e974ea1d68f495", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking frozen v1.0.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking wasmparser v0.35.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Checking twiggy-ir v0.7.0
[INFO] [stderr]     Checking twiggy-traits v0.7.0
[INFO] [stderr]     Checking object v0.17.0
[INFO] [stderr]     Checking twiggy-parser v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.22s
[INFO] running `Command { std: "docker" "inspect" "90e6e711f7bec91456b73a9d01162330ac1054c43526b20665e974ea1d68f495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e6e711f7bec91456b73a9d01162330ac1054c43526b20665e974ea1d68f495", kill_on_drop: false }`
[INFO] [stdout] 90e6e711f7bec91456b73a9d01162330ac1054c43526b20665e974ea1d68f495