[INFO] fetching crate conclave-room-serialize 0.0.2-pre03...
[INFO] building conclave-room-serialize-0.0.2-pre03 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate conclave-room-serialize 0.0.2-pre03 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate conclave-room-serialize 0.0.2-pre03 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 conclave-room-serialize 0.0.2-pre03
[INFO] finished tweaking crates.io crate conclave-room-serialize 0.0.2-pre03
[INFO] tweaked toml for crates.io crate conclave-room-serialize 0.0.2-pre03 written to /workspace/builds/worker-5-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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding flood-rs v0.0.3 (available: v0.0.12)
[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 flood-rs v0.0.3
[INFO] [stderr]   Downloaded conclave-room v0.0.2-pre02
[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] bc7930763740aa7854196f048dacbb755fe188e20aad38f8c4f0de1ad3d8cf59
[INFO] running `Command { std: "docker" "start" "-a" "bc7930763740aa7854196f048dacbb755fe188e20aad38f8c4f0de1ad3d8cf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7930763740aa7854196f048dacbb755fe188e20aad38f8c4f0de1ad3d8cf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7930763740aa7854196f048dacbb755fe188e20aad38f8c4f0de1ad3d8cf59", kill_on_drop: false }`
[INFO] [stdout] bc7930763740aa7854196f048dacbb755fe188e20aad38f8c4f0de1ad3d8cf59
[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] aa45e121240ba2102cadd6a27f8c2f23a0206860935461263fa0452b3b618a95
[INFO] running `Command { std: "docker" "start" "-a" "aa45e121240ba2102cadd6a27f8c2f23a0206860935461263fa0452b3b618a95", kill_on_drop: false }`
[INFO] [stderr]    Compiling conclave-room v0.0.2-pre02
[INFO] [stderr]    Compiling flood-rs v0.0.3
[INFO] [stderr]    Compiling conclave-room-serialize v0.0.2-pre03 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "aa45e121240ba2102cadd6a27f8c2f23a0206860935461263fa0452b3b618a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa45e121240ba2102cadd6a27f8c2f23a0206860935461263fa0452b3b618a95", kill_on_drop: false }`
[INFO] [stdout] aa45e121240ba2102cadd6a27f8c2f23a0206860935461263fa0452b3b618a95
[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] 0878fb0e1f36273a1b05e3bc50864d4ac1e380c1d6ca8a54fcabd1ac041f5c2c
[INFO] running `Command { std: "docker" "start" "-a" "0878fb0e1f36273a1b05e3bc50864d4ac1e380c1d6ca8a54fcabd1ac041f5c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling conclave-room-serialize v0.0.2-pre03 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "0878fb0e1f36273a1b05e3bc50864d4ac1e380c1d6ca8a54fcabd1ac041f5c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0878fb0e1f36273a1b05e3bc50864d4ac1e380c1d6ca8a54fcabd1ac041f5c2c", kill_on_drop: false }`
[INFO] [stdout] 0878fb0e1f36273a1b05e3bc50864d4ac1e380c1d6ca8a54fcabd1ac041f5c2c