[INFO] fetching crate eb-prime-factor 0.2.1...
[INFO] building eb-prime-factor-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate eb-prime-factor 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate eb-prime-factor 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 eb-prime-factor 0.2.1
[INFO] finished tweaking crates.io crate eb-prime-factor 0.2.1
[INFO] tweaked toml for crates.io crate eb-prime-factor 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate eb-prime-factor 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9b6fb142e8ea5a9521654a03ce4dc3d2a4e1445a73f3510c1e6a406108278b01
[INFO] running `Command { std: "docker" "start" "-a" "9b6fb142e8ea5a9521654a03ce4dc3d2a4e1445a73f3510c1e6a406108278b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6fb142e8ea5a9521654a03ce4dc3d2a4e1445a73f3510c1e6a406108278b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6fb142e8ea5a9521654a03ce4dc3d2a4e1445a73f3510c1e6a406108278b01", kill_on_drop: false }`
[INFO] [stdout] 9b6fb142e8ea5a9521654a03ce4dc3d2a4e1445a73f3510c1e6a406108278b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 786e85558fdccc10760ec42cc4cd1f284cb7400d1ecffd680340c8e497318ec6
[INFO] running `Command { std: "docker" "start" "-a" "786e85558fdccc10760ec42cc4cd1f284cb7400d1ecffd680340c8e497318ec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling eb-prime-factor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "786e85558fdccc10760ec42cc4cd1f284cb7400d1ecffd680340c8e497318ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786e85558fdccc10760ec42cc4cd1f284cb7400d1ecffd680340c8e497318ec6", kill_on_drop: false }`
[INFO] [stdout] 786e85558fdccc10760ec42cc4cd1f284cb7400d1ecffd680340c8e497318ec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7ea4b22d914a97fdbff0c7c0788bf6ed0e090c3de1f781eaeac1719c8e396c6e
[INFO] running `Command { std: "docker" "start" "-a" "7ea4b22d914a97fdbff0c7c0788bf6ed0e090c3de1f781eaeac1719c8e396c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling eb-prime-factor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "7ea4b22d914a97fdbff0c7c0788bf6ed0e090c3de1f781eaeac1719c8e396c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea4b22d914a97fdbff0c7c0788bf6ed0e090c3de1f781eaeac1719c8e396c6e", kill_on_drop: false }`
[INFO] [stdout] 7ea4b22d914a97fdbff0c7c0788bf6ed0e090c3de1f781eaeac1719c8e396c6e