[INFO] fetching crate variant-config 0.1.4...
[INFO] checking variant-config-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate variant-config 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate variant-config 0.1.4 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 variant-config 0.1.4
[INFO] finished tweaking crates.io crate variant-config 0.1.4
[INFO] tweaked toml for crates.io crate variant-config 0.1.4 written to /workspace/builds/worker-6-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 51 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cranelift v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-bforest v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-codegen v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-codegen-meta v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-codegen-shared v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-entity v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-frontend v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-jit v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-module v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding cranelift-native v0.80.1 (available: v0.112.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding regalloc v0.0.33 (available: v0.0.34)
[INFO] [stderr]       Adding region v2.2.0 (available: v3.0.2)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 48bd8f306637215e05ef27ddf5fd15ba787fc6e0df9a0e4d054a7334d4fb92ca
[INFO] running `Command { std: "docker" "start" "-a" "48bd8f306637215e05ef27ddf5fd15ba787fc6e0df9a0e4d054a7334d4fb92ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48bd8f306637215e05ef27ddf5fd15ba787fc6e0df9a0e4d054a7334d4fb92ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bd8f306637215e05ef27ddf5fd15ba787fc6e0df9a0e4d054a7334d4fb92ca", kill_on_drop: false }`
[INFO] [stdout] 48bd8f306637215e05ef27ddf5fd15ba787fc6e0df9a0e4d054a7334d4fb92ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 627a08665f7fd16488a2f869b07abc5fe40c44c4939a102b40d2324e03f7095e
[INFO] running `Command { std: "docker" "start" "-a" "627a08665f7fd16488a2f869b07abc5fe40c44c4939a102b40d2324e03f7095e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.80.1
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking cranelift-entity v0.80.1
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling peg-runtime v0.8.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.80.1
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking regalloc v0.0.33
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling peg-macros v0.8.4
[INFO] [stderr]     Checking cranelift-bforest v0.80.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking peg v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling cranelift-codegen v0.80.1
[INFO] [stderr]     Checking cranelift-native v0.80.1
[INFO] [stderr]     Checking cranelift-module v0.80.1
[INFO] [stderr]     Checking cranelift-frontend v0.80.1
[INFO] [stderr]     Checking cranelift-jit v0.80.1
[INFO] [stderr]     Checking cranelift v0.80.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking variant-config v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.76s
[INFO] running `Command { std: "docker" "inspect" "627a08665f7fd16488a2f869b07abc5fe40c44c4939a102b40d2324e03f7095e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627a08665f7fd16488a2f869b07abc5fe40c44c4939a102b40d2324e03f7095e", kill_on_drop: false }`
[INFO] [stdout] 627a08665f7fd16488a2f869b07abc5fe40c44c4939a102b40d2324e03f7095e