[INFO] fetching crate bencodex 0.2.1...
[INFO] building bencodex-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate bencodex 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bencodex 0.2.1 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 bencodex 0.2.1
[INFO] finished tweaking crates.io crate bencodex 0.2.1
[INFO] tweaked toml for crates.io crate bencodex 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bencodex 0.2.1 already has a lockfile, it will not be regenerated
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a4d77f27d03a8445c33df5bd0059e6af73d0e554c7d99c75e103b1bfc8601d8
[INFO] running `Command { std: "docker" "start" "-a" "5a4d77f27d03a8445c33df5bd0059e6af73d0e554c7d99c75e103b1bfc8601d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a4d77f27d03a8445c33df5bd0059e6af73d0e554c7d99c75e103b1bfc8601d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4d77f27d03a8445c33df5bd0059e6af73d0e554c7d99c75e103b1bfc8601d8", kill_on_drop: false }`
[INFO] [stdout] 5a4d77f27d03a8445c33df5bd0059e6af73d0e554c7d99c75e103b1bfc8601d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f16d7b41e904453fee993407686ebc385b593dcc51233385241041728aff905c
[INFO] running `Command { std: "docker" "start" "-a" "f16d7b41e904453fee993407686ebc385b593dcc51233385241041728aff905c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencodex v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f16d7b41e904453fee993407686ebc385b593dcc51233385241041728aff905c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16d7b41e904453fee993407686ebc385b593dcc51233385241041728aff905c", kill_on_drop: false }`
[INFO] [stdout] f16d7b41e904453fee993407686ebc385b593dcc51233385241041728aff905c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5cdf03d9d8d52feec6aad4a166584ddb5d9d333b41e996bc000fc73764d2fc32
[INFO] running `Command { std: "docker" "start" "-a" "5cdf03d9d8d52feec6aad4a166584ddb5d9d333b41e996bc000fc73764d2fc32", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencodex v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5cdf03d9d8d52feec6aad4a166584ddb5d9d333b41e996bc000fc73764d2fc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdf03d9d8d52feec6aad4a166584ddb5d9d333b41e996bc000fc73764d2fc32", kill_on_drop: false }`
[INFO] [stdout] 5cdf03d9d8d52feec6aad4a166584ddb5d9d333b41e996bc000fc73764d2fc32