[INFO] fetching crate snappy_src 0.2.3+snappy.1.2.1...
[INFO] building snappy_src-0.2.3+snappy.1.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate snappy_src 0.2.3+snappy.1.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate snappy_src 0.2.3+snappy.1.2.1 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 snappy_src 0.2.3+snappy.1.2.1
[INFO] finished tweaking crates.io crate snappy_src 0.2.3+snappy.1.2.1
[INFO] tweaked toml for crates.io crate snappy_src 0.2.3+snappy.1.2.1 written to /workspace/builds/worker-2-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.69.5 (available: v0.71.1)
[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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 49cbdaf2669eec70d2f0e0d0f478fb799aa1955e862a428c2084311a2e084c50
[INFO] running `Command { std: "docker" "start" "-a" "49cbdaf2669eec70d2f0e0d0f478fb799aa1955e862a428c2084311a2e084c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49cbdaf2669eec70d2f0e0d0f478fb799aa1955e862a428c2084311a2e084c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49cbdaf2669eec70d2f0e0d0f478fb799aa1955e862a428c2084311a2e084c50", kill_on_drop: false }`
[INFO] [stdout] 49cbdaf2669eec70d2f0e0d0f478fb799aa1955e862a428c2084311a2e084c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e8c2ebd094eba2e523b7bf33a657c907ae4b7c05888a65ef74afc3d2948b2582
[INFO] running `Command { std: "docker" "start" "-a" "e8c2ebd094eba2e523b7bf33a657c907ae4b7c05888a65ef74afc3d2948b2582", kill_on_drop: false }`
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling snappy_src v0.2.3+snappy.1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1: snappy/snappy.cc: In function 'constexpr bool snappy::VerifyCalculateNeeded()':
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1: snappy/snappy.cc:1692:28: warning: comparison of integer expressions of different signedness: 'uint32_t' {aka 'unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1:  1692 |     if (CalculateNeeded(i) != (char_table[i] >> 11) + 1) return false;
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1:       |         ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "e8c2ebd094eba2e523b7bf33a657c907ae4b7c05888a65ef74afc3d2948b2582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c2ebd094eba2e523b7bf33a657c907ae4b7c05888a65ef74afc3d2948b2582", kill_on_drop: false }`
[INFO] [stdout] e8c2ebd094eba2e523b7bf33a657c907ae4b7c05888a65ef74afc3d2948b2582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 75ee63ecdaa40ebab2945847b46c85993253330111ff03bbf7266a4f98fd091d
[INFO] running `Command { std: "docker" "start" "-a" "75ee63ecdaa40ebab2945847b46c85993253330111ff03bbf7266a4f98fd091d", kill_on_drop: false }`
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1: snappy/snappy.cc: In function 'constexpr bool snappy::VerifyCalculateNeeded()':
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1: snappy/snappy.cc:1692:28: warning: comparison of integer expressions of different signedness: 'uint32_t' {aka 'unsigned int'} and 'int' [-Wsign-compare]
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1:  1692 |     if (CalculateNeeded(i) != (char_table[i] >> 11) + 1) return false;
[INFO] [stderr] warning: snappy_src@0.2.3+snappy.1.2.1:       |         ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]    Compiling snappy_src v0.2.3+snappy.1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "75ee63ecdaa40ebab2945847b46c85993253330111ff03bbf7266a4f98fd091d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ee63ecdaa40ebab2945847b46c85993253330111ff03bbf7266a4f98fd091d", kill_on_drop: false }`
[INFO] [stdout] 75ee63ecdaa40ebab2945847b46c85993253330111ff03bbf7266a4f98fd091d