[INFO] fetching crate flint-sys 0.7.3...
[INFO] checking flint-sys-0.7.3 against try#a9edbbf2bb5de1c1473310f96a4fea736f068a54 for pr-114776-1
[INFO] extracting crate flint-sys 0.7.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate flint-sys 0.7.3 on toolchain a9edbbf2bb5de1c1473310f96a4fea736f068a54
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9edbbf2bb5de1c1473310f96a4fea736f068a54" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flint-sys 0.7.3
[INFO] finished tweaking crates.io crate flint-sys 0.7.3
[INFO] tweaked toml for crates.io crate flint-sys 0.7.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9edbbf2bb5de1c1473310f96a4fea736f068a54" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9edbbf2bb5de1c1473310f96a4fea736f068a54" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+a9edbbf2bb5de1c1473310f96a4fea736f068a54" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5455e1da80acf0d99e71461f48d2dbed194434da5c44e78344f591688c320aa3
[INFO] running `Command { std: "docker" "start" "-a" "5455e1da80acf0d99e71461f48d2dbed194434da5c44e78344f591688c320aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5455e1da80acf0d99e71461f48d2dbed194434da5c44e78344f591688c320aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5455e1da80acf0d99e71461f48d2dbed194434da5c44e78344f591688c320aa3", kill_on_drop: false }`
[INFO] [stdout] 5455e1da80acf0d99e71461f48d2dbed194434da5c44e78344f591688c320aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+a9edbbf2bb5de1c1473310f96a4fea736f068a54" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf8ccc5e9b84f36c81fb555a313804fd4cd653c49cf7c7f774384d62342d25d
[INFO] running `Command { std: "docker" "start" "-a" "faf8ccc5e9b84f36c81fb555a313804fd4cd653c49cf7c7f774384d62342d25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling flint-sys v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stdout] warning: unused imports: `fmpq_t`, `fmpq`
[INFO] [stdout]  --> src/fmpz_mpoly.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::fmpq::{fmpq, fmpq_t};
[INFO] [stdout]   |                   ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fmpq_poly::fmpq_poly_struct`
[INFO] [stdout]  --> src/fmpz_mpoly.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::fmpq_poly::fmpq_poly_struct;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmpq_t`, `fmpq`
[INFO] [stdout]  --> src/fmpz_mpoly.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::fmpq::{fmpq, fmpq_t};
[INFO] [stdout]   |                   ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fmpq_poly::fmpq_poly_struct`
[INFO] [stdout]  --> src/fmpz_mpoly.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::fmpq_poly::fmpq_poly_struct;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 47s
[INFO] running `Command { std: "docker" "inspect" "faf8ccc5e9b84f36c81fb555a313804fd4cd653c49cf7c7f774384d62342d25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf8ccc5e9b84f36c81fb555a313804fd4cd653c49cf7c7f774384d62342d25d", kill_on_drop: false }`
[INFO] [stdout] faf8ccc5e9b84f36c81fb555a313804fd4cd653c49cf7c7f774384d62342d25d