[INFO] fetching crate factorial 0.2.1...
[INFO] testing factorial-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate factorial 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate factorial 0.2.1 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 factorial 0.2.1
[INFO] finished tweaking crates.io crate factorial 0.2.1
[INFO] tweaked toml for crates.io crate factorial 0.2.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5cc253b917221a01b3218a02f06d055b1aac7525785d21cd18c9a8765b3d0ca4
[INFO] running `Command { std: "docker" "start" "-a" "5cc253b917221a01b3218a02f06d055b1aac7525785d21cd18c9a8765b3d0ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cc253b917221a01b3218a02f06d055b1aac7525785d21cd18c9a8765b3d0ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc253b917221a01b3218a02f06d055b1aac7525785d21cd18c9a8765b3d0ca4", kill_on_drop: false }`
[INFO] [stdout] 5cc253b917221a01b3218a02f06d055b1aac7525785d21cd18c9a8765b3d0ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a8f7375f5a7b36b05c3af693ac922c7093ebc93a2fe1023309195edcd09f9497
[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" "a8f7375f5a7b36b05c3af693ac922c7093ebc93a2fe1023309195edcd09f9497", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a8f7375f5a7b36b05c3af693ac922c7093ebc93a2fe1023309195edcd09f9497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f7375f5a7b36b05c3af693ac922c7093ebc93a2fe1023309195edcd09f9497", kill_on_drop: false }`
[INFO] [stdout] a8f7375f5a7b36b05c3af693ac922c7093ebc93a2fe1023309195edcd09f9497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 227c48e8118ce679b17c445476de503b58bec0ef32900d71a97a09f7ae4a22ed
[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" "227c48e8118ce679b17c445476de503b58bec0ef32900d71a97a09f7ae4a22ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling factorial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "227c48e8118ce679b17c445476de503b58bec0ef32900d71a97a09f7ae4a22ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227c48e8118ce679b17c445476de503b58bec0ef32900d71a97a09f7ae4a22ed", kill_on_drop: false }`
[INFO] [stdout] 227c48e8118ce679b17c445476de503b58bec0ef32900d71a97a09f7ae4a22ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 511e24afc59a818ba9613fe580bee94bb72f6477b195fbcdfaae43ad322fba4e
[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" "511e24afc59a818ba9613fe580bee94bb72f6477b195fbcdfaae43ad322fba4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/factorial-786020333231e140)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::zero_fact_is_one ... ok
[INFO] [stdout] test tests::zero_double_fact_is_one ... ok
[INFO] [stdout] test tests::two_double_fact_is_two ... ok
[INFO] [stdout] test tests::too_large_safe_double_fact ... ok
[INFO] [stdout] test tests::too_large_safe ... ok
[INFO] [stdout] test tests::biguint_support ... ok
[INFO] [stdout] test tests::two_fact_is_two ... ok
[INFO] [stderr]    Doc-tests factorial
[INFO] [stdout] test tests::one_fact_is_one ... ok
[INFO] [stdout] test tests::ten_fact ... ok
[INFO] [stdout] test tests::one_double_fact_is_two ... ok
[INFO] [stdout] test tests::seven_double_fact ... ok
[INFO] [stdout] test tests::ten_double_fact ... ok
[INFO] [stdout] test tests::too_large - should panic ... ok
[INFO] [stdout] test tests::too_large_double_fact - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Factorial::checked_factorial (line 23) ... ok
[INFO] [stdout] test src/lib.rs - Factorial::factorial (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "511e24afc59a818ba9613fe580bee94bb72f6477b195fbcdfaae43ad322fba4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511e24afc59a818ba9613fe580bee94bb72f6477b195fbcdfaae43ad322fba4e", kill_on_drop: false }`
[INFO] [stdout] 511e24afc59a818ba9613fe580bee94bb72f6477b195fbcdfaae43ad322fba4e