[INFO] fetching crate prompt-of-power 0.1.1...
[INFO] building prompt-of-power-0.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate prompt-of-power 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate prompt-of-power 0.1.1 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 prompt-of-power 0.1.1
[INFO] finished tweaking crates.io crate prompt-of-power 0.1.1
[INFO] tweaked toml for crates.io crate prompt-of-power 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate prompt-of-power 0.1.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capctl v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 63a565bcbc812fc159d5262c6bfe4ab18837a15c86356d0a1814b7ed579b0844
[INFO] running `Command { std: "docker" "start" "-a" "63a565bcbc812fc159d5262c6bfe4ab18837a15c86356d0a1814b7ed579b0844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63a565bcbc812fc159d5262c6bfe4ab18837a15c86356d0a1814b7ed579b0844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a565bcbc812fc159d5262c6bfe4ab18837a15c86356d0a1814b7ed579b0844", kill_on_drop: false }`
[INFO] [stdout] 63a565bcbc812fc159d5262c6bfe4ab18837a15c86356d0a1814b7ed579b0844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7889ba681fea94fa8180a9d7af4c5d05a189d92f7ab432eb6929397644e815a3
[INFO] running `Command { std: "docker" "start" "-a" "7889ba681fea94fa8180a9d7af4c5d05a189d92f7ab432eb6929397644e815a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling capctl v0.2.2
[INFO] [stderr]    Compiling prompt-of-power v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "7889ba681fea94fa8180a9d7af4c5d05a189d92f7ab432eb6929397644e815a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7889ba681fea94fa8180a9d7af4c5d05a189d92f7ab432eb6929397644e815a3", kill_on_drop: false }`
[INFO] [stdout] 7889ba681fea94fa8180a9d7af4c5d05a189d92f7ab432eb6929397644e815a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1c120ae6f89d5db083e44dea6ab1ed9273c7377b111a47fd14d3d292b24ac648
[INFO] running `Command { std: "docker" "start" "-a" "1c120ae6f89d5db083e44dea6ab1ed9273c7377b111a47fd14d3d292b24ac648", kill_on_drop: false }`
[INFO] [stderr]    Compiling prompt-of-power v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "1c120ae6f89d5db083e44dea6ab1ed9273c7377b111a47fd14d3d292b24ac648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c120ae6f89d5db083e44dea6ab1ed9273c7377b111a47fd14d3d292b24ac648", kill_on_drop: false }`
[INFO] [stdout] 1c120ae6f89d5db083e44dea6ab1ed9273c7377b111a47fd14d3d292b24ac648