[INFO] fetching crate objc2-encode 4.0.3...
[INFO] building objc2-encode-4.0.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate objc2-encode 4.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate objc2-encode 4.0.3 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 objc2-encode 4.0.3
[INFO] finished tweaking crates.io crate objc2-encode 4.0.3
[INFO] tweaked toml for crates.io crate objc2-encode 4.0.3 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] 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] d9588406e2651bda4cb7f7f0359a580cb3810e2eb94c632139760a58cf81fe8c
[INFO] running `Command { std: "docker" "start" "-a" "d9588406e2651bda4cb7f7f0359a580cb3810e2eb94c632139760a58cf81fe8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9588406e2651bda4cb7f7f0359a580cb3810e2eb94c632139760a58cf81fe8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9588406e2651bda4cb7f7f0359a580cb3810e2eb94c632139760a58cf81fe8c", kill_on_drop: false }`
[INFO] [stdout] d9588406e2651bda4cb7f7f0359a580cb3810e2eb94c632139760a58cf81fe8c
[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] ce984010217432d1bd2debf35cceeb80353ece7c3d8831042ba7f65274a0bb4a
[INFO] running `Command { std: "docker" "start" "-a" "ce984010217432d1bd2debf35cceeb80353ece7c3d8831042ba7f65274a0bb4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc2-encode v4.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "ce984010217432d1bd2debf35cceeb80353ece7c3d8831042ba7f65274a0bb4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce984010217432d1bd2debf35cceeb80353ece7c3d8831042ba7f65274a0bb4a", kill_on_drop: false }`
[INFO] [stdout] ce984010217432d1bd2debf35cceeb80353ece7c3d8831042ba7f65274a0bb4a
[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] 23d0b728f0397f0475c67d2c2e30614c4fdc5f1292f6a23310c4f185e5a68f88
[INFO] running `Command { std: "docker" "start" "-a" "23d0b728f0397f0475c67d2c2e30614c4fdc5f1292f6a23310c4f185e5a68f88", kill_on_drop: false }`
[INFO] [stderr]    Compiling objc2-encode v4.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "23d0b728f0397f0475c67d2c2e30614c4fdc5f1292f6a23310c4f185e5a68f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d0b728f0397f0475c67d2c2e30614c4fdc5f1292f6a23310c4f185e5a68f88", kill_on_drop: false }`
[INFO] [stdout] 23d0b728f0397f0475c67d2c2e30614c4fdc5f1292f6a23310c4f185e5a68f88