[INFO] fetching crate wavefront_rs 2.0.0-beta.1...
[INFO] building wavefront_rs-2.0.0-beta.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate wavefront_rs 2.0.0-beta.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate wavefront_rs 2.0.0-beta.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 wavefront_rs 2.0.0-beta.1
[INFO] finished tweaking crates.io crate wavefront_rs 2.0.0-beta.1
[INFO] tweaked toml for crates.io crate wavefront_rs 2.0.0-beta.1 written to /workspace/builds/worker-1-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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a1bce183740fba21e133939b020e1454481000a14617e4b10d50946223ece9f1
[INFO] running `Command { std: "docker" "start" "-a" "a1bce183740fba21e133939b020e1454481000a14617e4b10d50946223ece9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1bce183740fba21e133939b020e1454481000a14617e4b10d50946223ece9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bce183740fba21e133939b020e1454481000a14617e4b10d50946223ece9f1", kill_on_drop: false }`
[INFO] [stdout] a1bce183740fba21e133939b020e1454481000a14617e4b10d50946223ece9f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 25c98d83b567eb70666496b4f5c5513801ff41609a06a356d155763a01bae751
[INFO] running `Command { std: "docker" "start" "-a" "25c98d83b567eb70666496b4f5c5513801ff41609a06a356d155763a01bae751", kill_on_drop: false }`
[INFO] [stderr]    Compiling wavefront_rs v2.0.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "25c98d83b567eb70666496b4f5c5513801ff41609a06a356d155763a01bae751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c98d83b567eb70666496b4f5c5513801ff41609a06a356d155763a01bae751", kill_on_drop: false }`
[INFO] [stdout] 25c98d83b567eb70666496b4f5c5513801ff41609a06a356d155763a01bae751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4617a74e989a2f608f1338785cb2f822e9e45de31fda4719e2d9425a3b1ff3c0
[INFO] running `Command { std: "docker" "start" "-a" "4617a74e989a2f608f1338785cb2f822e9e45de31fda4719e2d9425a3b1ff3c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling wavefront_rs v2.0.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "4617a74e989a2f608f1338785cb2f822e9e45de31fda4719e2d9425a3b1ff3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4617a74e989a2f608f1338785cb2f822e9e45de31fda4719e2d9425a3b1ff3c0", kill_on_drop: false }`
[INFO] [stdout] 4617a74e989a2f608f1338785cb2f822e9e45de31fda4719e2d9425a3b1ff3c0