[INFO] fetching crate arb-sys 0.3.6...
[INFO] checking arb-sys-0.3.6 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate arb-sys 0.3.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate arb-sys 0.3.6 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arb-sys 0.3.6
[INFO] finished tweaking crates.io crate arb-sys 0.3.6
[INFO] tweaked toml for crates.io crate arb-sys 0.3.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flint-sys v0.7.3
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f81b095c6143d1ac1713c406aa1b9716aa2081480d1e66440c6b67517e309e2
[INFO] running `Command { std: "docker" "start" "-a" "9f81b095c6143d1ac1713c406aa1b9716aa2081480d1e66440c6b67517e309e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f81b095c6143d1ac1713c406aa1b9716aa2081480d1e66440c6b67517e309e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f81b095c6143d1ac1713c406aa1b9716aa2081480d1e66440c6b67517e309e2", kill_on_drop: false }`
[INFO] [stdout] 9f81b095c6143d1ac1713c406aa1b9716aa2081480d1e66440c6b67517e309e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8eec131354a3c0cdca4d0eef3037425b7a1fa9de2cce390a014ac48698417c0
[INFO] running `Command { std: "docker" "start" "-a" "d8eec131354a3c0cdca4d0eef3037425b7a1fa9de2cce390a014ac48698417c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling flint-sys v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling arb-sys v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]    --> src/arf.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |     use quickcheck::quickcheck;
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/arf.rs:621:9
[INFO] [stdout]     |
[INFO] [stdout] 621 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::MaybeUninit`
[INFO] [stdout]    --> src/arf.rs:622:9
[INFO] [stdout]     |
[INFO] [stdout] 622 |     use std::mem::MaybeUninit;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_long`
[INFO] [stdout]    --> src/arf.rs:623:9
[INFO] [stdout]     |
[INFO] [stdout] 623 |     use libc::c_long;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arb-sys` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d8eec131354a3c0cdca4d0eef3037425b7a1fa9de2cce390a014ac48698417c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8eec131354a3c0cdca4d0eef3037425b7a1fa9de2cce390a014ac48698417c0", kill_on_drop: false }`
[INFO] [stdout] d8eec131354a3c0cdca4d0eef3037425b7a1fa9de2cce390a014ac48698417c0