[INFO] cloning repository https://github.com/zeyadhabib/problem_solving
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeyadhabib/problem_solving" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeyadhabib%2Fproblem_solving", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeyadhabib%2Fproblem_solving'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 291e2bc048a7334142163e59bc8fea22634116de
[INFO] building zeyadhabib/problem_solving 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%2Fzeyadhabib%2Fproblem_solving" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeyadhabib/problem_solving 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/zeyadhabib/problem_solving
[INFO] finished tweaking git repo https://github.com/zeyadhabib/problem_solving
[INFO] tweaked toml for git repo https://github.com/zeyadhabib/problem_solving written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zeyadhabib/problem_solving 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be2ff7dc2ea9cb7ac0c0975010c2a3bfc90ce1dd391100b494f05a3de1dee21d
[INFO] running `Command { std: "docker" "start" "-a" "be2ff7dc2ea9cb7ac0c0975010c2a3bfc90ce1dd391100b494f05a3de1dee21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be2ff7dc2ea9cb7ac0c0975010c2a3bfc90ce1dd391100b494f05a3de1dee21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be2ff7dc2ea9cb7ac0c0975010c2a3bfc90ce1dd391100b494f05a3de1dee21d", kill_on_drop: false }`
[INFO] [stdout] be2ff7dc2ea9cb7ac0c0975010c2a3bfc90ce1dd391100b494f05a3de1dee21d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6d8ea22e35d13e6b17e4512349c6c333d584a8c1c50e9d4e1704690d3f570b14
[INFO] running `Command { std: "docker" "start" "-a" "6d8ea22e35d13e6b17e4512349c6c333d584a8c1c50e9d4e1704690d3f570b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling problem_solving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "6d8ea22e35d13e6b17e4512349c6c333d584a8c1c50e9d4e1704690d3f570b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8ea22e35d13e6b17e4512349c6c333d584a8c1c50e9d4e1704690d3f570b14", kill_on_drop: false }`
[INFO] [stdout] 6d8ea22e35d13e6b17e4512349c6c333d584a8c1c50e9d4e1704690d3f570b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4ecf2986bd2b5e558ce43d9a959b8e01afdbed27d63378bac7193a421ac70b9b
[INFO] running `Command { std: "docker" "start" "-a" "4ecf2986bd2b5e558ce43d9a959b8e01afdbed27d63378bac7193a421ac70b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling problem_solving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "4ecf2986bd2b5e558ce43d9a959b8e01afdbed27d63378bac7193a421ac70b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecf2986bd2b5e558ce43d9a959b8e01afdbed27d63378bac7193a421ac70b9b", kill_on_drop: false }`
[INFO] [stdout] 4ecf2986bd2b5e558ce43d9a959b8e01afdbed27d63378bac7193a421ac70b9b