[INFO] cloning repository https://github.com/AbsurdlySuspicious/city
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbsurdlySuspicious/city" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsurdlySuspicious%2Fcity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsurdlySuspicious%2Fcity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b1430558557c00f5d13c031e8a4b26db2b46344
[INFO] checking AbsurdlySuspicious/city/4b1430558557c00f5d13c031e8a4b26db2b46344 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsurdlySuspicious%2Fcity" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AbsurdlySuspicious/city on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AbsurdlySuspicious/city
[INFO] finished tweaking git repo https://github.com/AbsurdlySuspicious/city
[INFO] tweaked toml for git repo https://github.com/AbsurdlySuspicious/city written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AbsurdlySuspicious/city 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d236f77556621d7b85d2fe502282d239b7a3b3053a98f91916538012efd8f73
[INFO] running `Command { std: "docker" "start" "-a" "7d236f77556621d7b85d2fe502282d239b7a3b3053a98f91916538012efd8f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d236f77556621d7b85d2fe502282d239b7a3b3053a98f91916538012efd8f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d236f77556621d7b85d2fe502282d239b7a3b3053a98f91916538012efd8f73", kill_on_drop: false }`
[INFO] [stdout] 7d236f77556621d7b85d2fe502282d239b7a3b3053a98f91916538012efd8f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 272338c5f27d6f8cbd04fa9748acdc18d2145ef3e1cad9b5402ef9651f1fbb53
[INFO] running `Command { std: "docker" "start" "-a" "272338c5f27d6f8cbd04fa9748acdc18d2145ef3e1cad9b5402ef9651f1fbb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking bounded-vec-deque v0.1.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking term_size v1.0.0-beta1
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking city v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "272338c5f27d6f8cbd04fa9748acdc18d2145ef3e1cad9b5402ef9651f1fbb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272338c5f27d6f8cbd04fa9748acdc18d2145ef3e1cad9b5402ef9651f1fbb53", kill_on_drop: false }`
[INFO] [stdout] 272338c5f27d6f8cbd04fa9748acdc18d2145ef3e1cad9b5402ef9651f1fbb53