[INFO] fetching crate rug 1.16.0...
[INFO] checking rug-1.16.0 against try#0f68263c719c986445acfdd2b05d69e200c95710 for pr-97183
[INFO] extracting crate rug 1.16.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rug 1.16.0 on toolchain 0f68263c719c986445acfdd2b05d69e200c95710
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug 1.16.0
[INFO] finished tweaking crates.io crate rug 1.16.0
[INFO] tweaked toml for crates.io crate rug 1.16.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b8515a987a3f14f75a7ebd3c47f4b291960baaa85af4b15ef8d48a628f523c2
[INFO] running `Command { std: "docker" "start" "-a" "1b8515a987a3f14f75a7ebd3c47f4b291960baaa85af4b15ef8d48a628f523c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8515a987a3f14f75a7ebd3c47f4b291960baaa85af4b15ef8d48a628f523c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8515a987a3f14f75a7ebd3c47f4b291960baaa85af4b15ef8d48a628f523c2", kill_on_drop: false }`
[INFO] [stdout] 1b8515a987a3f14f75a7ebd3c47f4b291960baaa85af4b15ef8d48a628f523c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "-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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9aecfc56494e34e9b6cb4cb9d73436e6e69a84971eaefeb24b04dc3139f1dbd
[INFO] running `Command { std: "docker" "start" "-a" "d9aecfc56494e34e9b6cb4cb9d73436e6e69a84971eaefeb24b04dc3139f1dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.8
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling serde_test v1.0.137
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 20s
[INFO] running `Command { std: "docker" "inspect" "d9aecfc56494e34e9b6cb4cb9d73436e6e69a84971eaefeb24b04dc3139f1dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9aecfc56494e34e9b6cb4cb9d73436e6e69a84971eaefeb24b04dc3139f1dbd", kill_on_drop: false }`
[INFO] [stdout] d9aecfc56494e34e9b6cb4cb9d73436e6e69a84971eaefeb24b04dc3139f1dbd