[INFO] fetching crate zuck 2.0.0...
[INFO] building zuck-2.0.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate zuck 2.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate zuck 2.0.0 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 zuck 2.0.0
[INFO] finished tweaking crates.io crate zuck 2.0.0
[INFO] tweaked toml for crates.io crate zuck 2.0.0 written to /workspace/builds/worker-3-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-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] 2fda678a2ee8b9a0d42a027f31b1e6660d48de032ae47f4a659205445be7bb5a
[INFO] running `Command { std: "docker" "start" "-a" "2fda678a2ee8b9a0d42a027f31b1e6660d48de032ae47f4a659205445be7bb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fda678a2ee8b9a0d42a027f31b1e6660d48de032ae47f4a659205445be7bb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fda678a2ee8b9a0d42a027f31b1e6660d48de032ae47f4a659205445be7bb5a", kill_on_drop: false }`
[INFO] [stdout] 2fda678a2ee8b9a0d42a027f31b1e6660d48de032ae47f4a659205445be7bb5a
[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] cd5884fbe34c39a6d7970135da6d4954bff2f5bb2c4dfe117a9aa289f227887d
[INFO] running `Command { std: "docker" "start" "-a" "cd5884fbe34c39a6d7970135da6d4954bff2f5bb2c4dfe117a9aa289f227887d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zuck v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "cd5884fbe34c39a6d7970135da6d4954bff2f5bb2c4dfe117a9aa289f227887d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd5884fbe34c39a6d7970135da6d4954bff2f5bb2c4dfe117a9aa289f227887d", kill_on_drop: false }`
[INFO] [stdout] cd5884fbe34c39a6d7970135da6d4954bff2f5bb2c4dfe117a9aa289f227887d
[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] d18a059d4118b4b6a8d91cb25a17933c5abe44f171af6283b7fafed4d8340f7a
[INFO] running `Command { std: "docker" "start" "-a" "d18a059d4118b4b6a8d91cb25a17933c5abe44f171af6283b7fafed4d8340f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zuck v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `u64`
[INFO] [stdout]    --> src/duration.rs:234:30
[INFO] [stdout]     |
[INFO] [stdout] 234 |     use core::{str::FromStr, u64};
[INFO] [stdout]     |                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "d18a059d4118b4b6a8d91cb25a17933c5abe44f171af6283b7fafed4d8340f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18a059d4118b4b6a8d91cb25a17933c5abe44f171af6283b7fafed4d8340f7a", kill_on_drop: false }`
[INFO] [stdout] d18a059d4118b4b6a8d91cb25a17933c5abe44f171af6283b7fafed4d8340f7a