[INFO] cloning repository https://github.com/JoBoCl/solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoBoCl/solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoBoCl%2Fsolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoBoCl%2Fsolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a081f72fdbac8f3d84a8404b7652d3ac337978b4
[INFO] building JoBoCl/solver against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoBoCl%2Fsolver" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoBoCl/solver 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 git repo https://github.com/JoBoCl/solver
[INFO] finished tweaking git repo https://github.com/JoBoCl/solver
[INFO] tweaked toml for git repo https://github.com/JoBoCl/solver written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JoBoCl/solver 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a9baf8f26a6e54a01050ec0b1c926452fc2b3d4c5ef64b641933065a8cd8a998
[INFO] running `Command { std: "docker" "start" "-a" "a9baf8f26a6e54a01050ec0b1c926452fc2b3d4c5ef64b641933065a8cd8a998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9baf8f26a6e54a01050ec0b1c926452fc2b3d4c5ef64b641933065a8cd8a998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9baf8f26a6e54a01050ec0b1c926452fc2b3d4c5ef64b641933065a8cd8a998", kill_on_drop: false }`
[INFO] [stdout] a9baf8f26a6e54a01050ec0b1c926452fc2b3d4c5ef64b641933065a8cd8a998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ff18a2eaa8579f6dd4c11b622b4a040946d9601cb57c3164aa325e0ec8b45efa
[INFO] running `Command { std: "docker" "start" "-a" "ff18a2eaa8579f6dd4c11b622b4a040946d9601cb57c3164aa325e0ec8b45efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling solver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "ff18a2eaa8579f6dd4c11b622b4a040946d9601cb57c3164aa325e0ec8b45efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff18a2eaa8579f6dd4c11b622b4a040946d9601cb57c3164aa325e0ec8b45efa", kill_on_drop: false }`
[INFO] [stdout] ff18a2eaa8579f6dd4c11b622b4a040946d9601cb57c3164aa325e0ec8b45efa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9e0c9846a84594f777e80c380446582bb2e137ed3c7e031d2a3bb5d55548a85a
[INFO] running `Command { std: "docker" "start" "-a" "9e0c9846a84594f777e80c380446582bb2e137ed3c7e031d2a3bb5d55548a85a", kill_on_drop: false }`
[INFO] [stderr]    Compiling solver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "9e0c9846a84594f777e80c380446582bb2e137ed3c7e031d2a3bb5d55548a85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0c9846a84594f777e80c380446582bb2e137ed3c7e031d2a3bb5d55548a85a", kill_on_drop: false }`
[INFO] [stdout] 9e0c9846a84594f777e80c380446582bb2e137ed3c7e031d2a3bb5d55548a85a