[INFO] fetching crate dtb-walker 0.2.0-alpha.3...
[INFO] building dtb-walker-0.2.0-alpha.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate dtb-walker 0.2.0-alpha.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dtb-walker 0.2.0-alpha.3 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 dtb-walker 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate dtb-walker 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate dtb-walker 0.2.0-alpha.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate dtb-walker 0.2.0-alpha.3 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-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] 54dedd4df968194ea77e8970cc70b6e3d900bec57418c9a7221fdef0273a90d6
[INFO] running `Command { std: "docker" "start" "-a" "54dedd4df968194ea77e8970cc70b6e3d900bec57418c9a7221fdef0273a90d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54dedd4df968194ea77e8970cc70b6e3d900bec57418c9a7221fdef0273a90d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54dedd4df968194ea77e8970cc70b6e3d900bec57418c9a7221fdef0273a90d6", kill_on_drop: false }`
[INFO] [stdout] 54dedd4df968194ea77e8970cc70b6e3d900bec57418c9a7221fdef0273a90d6
[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] f28c1d8fe2c87619a041841cce289fc057c2c7ee1ed5ba00ec746ab668659268
[INFO] running `Command { std: "docker" "start" "-a" "f28c1d8fe2c87619a041841cce289fc057c2c7ee1ed5ba00ec746ab668659268", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtb-walker v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f28c1d8fe2c87619a041841cce289fc057c2c7ee1ed5ba00ec746ab668659268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28c1d8fe2c87619a041841cce289fc057c2c7ee1ed5ba00ec746ab668659268", kill_on_drop: false }`
[INFO] [stdout] f28c1d8fe2c87619a041841cce289fc057c2c7ee1ed5ba00ec746ab668659268
[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] 1e00fa3fdd16ef99e4203b4160d91f744979f95ca2d0b1fc8010d87f45170684
[INFO] running `Command { std: "docker" "start" "-a" "1e00fa3fdd16ef99e4203b4160d91f744979f95ca2d0b1fc8010d87f45170684", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtb-walker v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "1e00fa3fdd16ef99e4203b4160d91f744979f95ca2d0b1fc8010d87f45170684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e00fa3fdd16ef99e4203b4160d91f744979f95ca2d0b1fc8010d87f45170684", kill_on_drop: false }`
[INFO] [stdout] 1e00fa3fdd16ef99e4203b4160d91f744979f95ca2d0b1fc8010d87f45170684