[INFO] fetching crate solovay_strassen 1.0.3...
[INFO] testing solovay_strassen-1.0.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate solovay_strassen 1.0.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate solovay_strassen 1.0.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solovay_strassen 1.0.3
[INFO] finished tweaking crates.io crate solovay_strassen 1.0.3
[INFO] tweaked toml for crates.io crate solovay_strassen 1.0.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f6a95b0c818bd5ad8093e6dbad06a55746af59869bc9413cc62e79bf9947eac
[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" "6f6a95b0c818bd5ad8093e6dbad06a55746af59869bc9413cc62e79bf9947eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f6a95b0c818bd5ad8093e6dbad06a55746af59869bc9413cc62e79bf9947eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6a95b0c818bd5ad8093e6dbad06a55746af59869bc9413cc62e79bf9947eac", kill_on_drop: false }`
[INFO] [stdout] 6f6a95b0c818bd5ad8093e6dbad06a55746af59869bc9413cc62e79bf9947eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c63f2f36a1b4d6d7cd2f4322db9eb49329229ec758ced140dd9500e0319b4db6
[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" "c63f2f36a1b4d6d7cd2f4322db9eb49329229ec758ced140dd9500e0319b4db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling solovay_strassen v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "c63f2f36a1b4d6d7cd2f4322db9eb49329229ec758ced140dd9500e0319b4db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63f2f36a1b4d6d7cd2f4322db9eb49329229ec758ced140dd9500e0319b4db6", kill_on_drop: false }`
[INFO] [stdout] c63f2f36a1b4d6d7cd2f4322db9eb49329229ec758ced140dd9500e0319b4db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 703705e7b2fc4d0184101b004a6b4d568a9c50339d09eb95c70b070d3b6be4a8
[INFO] running `Command { std: "docker" "start" "-a" "703705e7b2fc4d0184101b004a6b4d568a9c50339d09eb95c70b070d3b6be4a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling solovay_strassen v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "703705e7b2fc4d0184101b004a6b4d568a9c50339d09eb95c70b070d3b6be4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703705e7b2fc4d0184101b004a6b4d568a9c50339d09eb95c70b070d3b6be4a8", kill_on_drop: false }`
[INFO] [stdout] 703705e7b2fc4d0184101b004a6b4d568a9c50339d09eb95c70b070d3b6be4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efd2a6acaa26c0cecc22a3baf4d0bfc75f826181d08609e2b0e9cffe513d7e17
[INFO] running `Command { std: "docker" "start" "-a" "efd2a6acaa26c0cecc22a3baf4d0bfc75f826181d08609e2b0e9cffe513d7e17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solovay_strassen-9195f9b42487770a)
[INFO] [stdout] test tests::test_composite ... ok
[INFO] [stdout] test tests::test_prime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solovay_strassen
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - is_witness (line 76) ... ok
[INFO] [stdout] test src/lib.rs - is_prime (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "efd2a6acaa26c0cecc22a3baf4d0bfc75f826181d08609e2b0e9cffe513d7e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd2a6acaa26c0cecc22a3baf4d0bfc75f826181d08609e2b0e9cffe513d7e17", kill_on_drop: false }`
[INFO] [stdout] efd2a6acaa26c0cecc22a3baf4d0bfc75f826181d08609e2b0e9cffe513d7e17