[INFO] fetching crate rug-polynomial 0.2.0...
[INFO] checking rug-polynomial-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate rug-polynomial 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rug-polynomial 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-polynomial 0.2.0
[INFO] finished tweaking crates.io crate rug-polynomial 0.2.0
[INFO] tweaked toml for crates.io crate rug-polynomial 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rug-polynomial 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flint-sys v0.3.0
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded rug-fft v0.1.1
[INFO] [stderr]   Downloaded az v1.1.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5610050936c5de6a6cdb1df5af52d6dd21172d7055d2db0caabfdd52ba21b969
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5610050936c5de6a6cdb1df5af52d6dd21172d7055d2db0caabfdd52ba21b969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5610050936c5de6a6cdb1df5af52d6dd21172d7055d2db0caabfdd52ba21b969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5610050936c5de6a6cdb1df5af52d6dd21172d7055d2db0caabfdd52ba21b969", kill_on_drop: false }`
[INFO] [stdout] 5610050936c5de6a6cdb1df5af52d6dd21172d7055d2db0caabfdd52ba21b969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cce79ecc2f84dce26b16efec40e893abd4087b03922ce30cdbde13fcf265da2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cce79ecc2f84dce26b16efec40e893abd4087b03922ce30cdbde13fcf265da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling flint-sys v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking rug-fft v0.1.1
[INFO] [stderr]     Checking rug-polynomial v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `flint_rs`
[INFO] [stdout]  --> benches/interp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use flint_rs::mod_poly::ModPoly;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `flint_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ModPoly`
[INFO] [stdout]   --> benches/interp.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ModPoly::interpolate_from_mul_subgroup(ys.clone(), p.clone(), &w);
[INFO] [stdout]    |         ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 5  | use rug_polynomial::ModPoly;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rug-polynomial`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1cce79ecc2f84dce26b16efec40e893abd4087b03922ce30cdbde13fcf265da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cce79ecc2f84dce26b16efec40e893abd4087b03922ce30cdbde13fcf265da2", kill_on_drop: false }`
[INFO] [stdout] 1cce79ecc2f84dce26b16efec40e893abd4087b03922ce30cdbde13fcf265da2