[INFO] fetching crate xmutil 1.1.0...
[INFO] building xmutil-1.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate xmutil 1.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate xmutil 1.1.0 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate xmutil 1.1.0
[INFO] finished tweaking crates.io crate xmutil 1.1.0
[INFO] tweaked toml for crates.io crate xmutil 1.1.0 written to /workspace/builds/worker-7-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 2 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cc87aea418ed204af48686ea1f3cc8588afd445aa5febb662c3ecc4377147cfc
[INFO] running `Command { std: "docker" "start" "-a" "cc87aea418ed204af48686ea1f3cc8588afd445aa5febb662c3ecc4377147cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc87aea418ed204af48686ea1f3cc8588afd445aa5febb662c3ecc4377147cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc87aea418ed204af48686ea1f3cc8588afd445aa5febb662c3ecc4377147cfc", kill_on_drop: false }`
[INFO] [stdout] cc87aea418ed204af48686ea1f3cc8588afd445aa5febb662c3ecc4377147cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c8ffb7ffd0781515798c32a17ba9bcdb891a0b661686a41d68416e4911a4d348
[INFO] running `Command { std: "docker" "start" "-a" "c8ffb7ffd0781515798c32a17ba9bcdb891a0b661686a41d68416e4911a4d348", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmutil v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: xmutil@1.1.0: VYacc.tab.cpp: In function 'int vpyyparse()':
[INFO] [stderr] warning: xmutil@1.1.0: VYacc.tab.cpp:2266:17: warning: 'void free(void*)' called on unallocated object 'yyssa' [-Wfree-nonheap-object]
[INFO] [stderr] warning: xmutil@1.1.0: VYacc.tab.cpp:1096:14: note: declared here
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.84s
[INFO] running `Command { std: "docker" "inspect" "c8ffb7ffd0781515798c32a17ba9bcdb891a0b661686a41d68416e4911a4d348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ffb7ffd0781515798c32a17ba9bcdb891a0b661686a41d68416e4911a4d348", kill_on_drop: false }`
[INFO] [stdout] c8ffb7ffd0781515798c32a17ba9bcdb891a0b661686a41d68416e4911a4d348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 071d4715643c6eef1a1e7aa8df6f2ae17f134c087b7fee29bd206f487fa82829
[INFO] running `Command { std: "docker" "start" "-a" "071d4715643c6eef1a1e7aa8df6f2ae17f134c087b7fee29bd206f487fa82829", kill_on_drop: false }`
[INFO] [stderr] warning: xmutil@1.1.0: VYacc.tab.cpp: In function 'int vpyyparse()':
[INFO] [stderr] warning: xmutil@1.1.0: VYacc.tab.cpp:2266:17: warning: 'void free(void*)' called on unallocated object 'yyssa' [-Wfree-nonheap-object]
[INFO] [stderr] warning: xmutil@1.1.0: VYacc.tab.cpp:1096:14: note: declared here
[INFO] [stderr]    Compiling xmutil v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "071d4715643c6eef1a1e7aa8df6f2ae17f134c087b7fee29bd206f487fa82829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071d4715643c6eef1a1e7aa8df6f2ae17f134c087b7fee29bd206f487fa82829", kill_on_drop: false }`
[INFO] [stdout] 071d4715643c6eef1a1e7aa8df6f2ae17f134c087b7fee29bd206f487fa82829