[INFO] fetching crate flint-sys 0.7.3...
[INFO] checking flint-sys-0.7.3 against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] extracting crate flint-sys 0.7.3 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flint-sys 0.7.3 on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding quickcheck v0.9.2 (available: v1.0.3)
[INFO] [stderr]       Adding quickcheck_macros v0.9.1 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a36cfee12e76b2120ce9907ce64c1d4b1749ddd1392b6f17c2009fd0cec5249f
[INFO] running `Command { std: "docker" "start" "-a" "a36cfee12e76b2120ce9907ce64c1d4b1749ddd1392b6f17c2009fd0cec5249f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a36cfee12e76b2120ce9907ce64c1d4b1749ddd1392b6f17c2009fd0cec5249f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36cfee12e76b2120ce9907ce64c1d4b1749ddd1392b6f17c2009fd0cec5249f", kill_on_drop: false }`
[INFO] [stdout] a36cfee12e76b2120ce9907ce64c1d4b1749ddd1392b6f17c2009fd0cec5249f
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 559a51a5b5006cc8f2030d2957f4cb05e0580147fc146286a0faee39b2385a48
[INFO] running `Command { std: "docker" "start" "-a" "559a51a5b5006cc8f2030d2957f4cb05e0580147fc146286a0faee39b2385a48", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling flint-sys v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: unused imports: `fmpq_t` and `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)]` (part of `#[warn(unused)]`) 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` and `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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6m 23s
[INFO] running `Command { std: "docker" "inspect" "559a51a5b5006cc8f2030d2957f4cb05e0580147fc146286a0faee39b2385a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559a51a5b5006cc8f2030d2957f4cb05e0580147fc146286a0faee39b2385a48", kill_on_drop: false }`
[INFO] [stdout] 559a51a5b5006cc8f2030d2957f4cb05e0580147fc146286a0faee39b2385a48