[INFO] fetching crate factorial 0.2.1...
[INFO] testing factorial-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate factorial 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate factorial 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a983525752d451466ab4810ac71bf6c7ce96a58c545ef088f250e7ba1f88a0bd
[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" "a983525752d451466ab4810ac71bf6c7ce96a58c545ef088f250e7ba1f88a0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a983525752d451466ab4810ac71bf6c7ce96a58c545ef088f250e7ba1f88a0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a983525752d451466ab4810ac71bf6c7ce96a58c545ef088f250e7ba1f88a0bd", kill_on_drop: false }`
[INFO] [stdout] a983525752d451466ab4810ac71bf6c7ce96a58c545ef088f250e7ba1f88a0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 486c0903b1bbfd9dc774b31ab3e1162c50396c4399c4a31ceaa92721c0c01b6e
[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" "486c0903b1bbfd9dc774b31ab3e1162c50396c4399c4a31ceaa92721c0c01b6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "486c0903b1bbfd9dc774b31ab3e1162c50396c4399c4a31ceaa92721c0c01b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486c0903b1bbfd9dc774b31ab3e1162c50396c4399c4a31ceaa92721c0c01b6e", kill_on_drop: false }`
[INFO] [stdout] 486c0903b1bbfd9dc774b31ab3e1162c50396c4399c4a31ceaa92721c0c01b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4216378525fbea985dfc1127147ddea2dd975d0abac8a48dc0bb4d902698f3db
[INFO] running `Command { std: "docker" "start" "-a" "4216378525fbea985dfc1127147ddea2dd975d0abac8a48dc0bb4d902698f3db", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling factorial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "4216378525fbea985dfc1127147ddea2dd975d0abac8a48dc0bb4d902698f3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4216378525fbea985dfc1127147ddea2dd975d0abac8a48dc0bb4d902698f3db", kill_on_drop: false }`
[INFO] [stdout] 4216378525fbea985dfc1127147ddea2dd975d0abac8a48dc0bb4d902698f3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d04eff1f5f07d8d8958bac665e62c18a15ede5bd8498e3a4c9baa5be255f7546
[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" "d04eff1f5f07d8d8958bac665e62c18a15ede5bd8498e3a4c9baa5be255f7546", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factorial-22cc28e3f0ca268a
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::biguint_support ... ok
[INFO] [stdout] test tests::one_double_fact_is_two ... ok
[INFO] [stdout] test tests::seven_double_fact ... ok
[INFO] [stdout] test tests::one_fact_is_one ... ok
[INFO] [stdout] test tests::ten_fact ... ok
[INFO] [stdout] test tests::ten_double_fact ... ok
[INFO] [stdout] test tests::too_large_safe ... ok
[INFO] [stdout] test tests::too_large_safe_double_fact ... ok
[INFO] [stdout] test tests::two_double_fact_is_two ... ok
[INFO] [stdout] test tests::zero_double_fact_is_one ... ok
[INFO] [stdout] test tests::two_fact_is_two ... ok
[INFO] [stdout] test tests::zero_fact_is_one ... ok
[INFO] [stdout] test tests::too_large_double_fact ... ok
[INFO] [stdout] test tests::too_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests factorial
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Factorial::factorial (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Factorial::checked_factorial (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d04eff1f5f07d8d8958bac665e62c18a15ede5bd8498e3a4c9baa5be255f7546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04eff1f5f07d8d8958bac665e62c18a15ede5bd8498e3a4c9baa5be255f7546", kill_on_drop: false }`
[INFO] [stdout] d04eff1f5f07d8d8958bac665e62c18a15ede5bd8498e3a4c9baa5be255f7546