[INFO] fetching crate tcorp_math_mods 0.1.0...
[INFO] testing tcorp_math_mods-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tcorp_math_mods 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tcorp_math_mods 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcorp_math_mods 0.1.0
[INFO] finished tweaking crates.io crate tcorp_math_mods 0.1.0
[INFO] tweaked toml for crates.io crate tcorp_math_mods 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6927d2de36e9b5be40dbefb0052f11bf3c025ae15fabadd12ae256b678c1de68
[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" "6927d2de36e9b5be40dbefb0052f11bf3c025ae15fabadd12ae256b678c1de68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6927d2de36e9b5be40dbefb0052f11bf3c025ae15fabadd12ae256b678c1de68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6927d2de36e9b5be40dbefb0052f11bf3c025ae15fabadd12ae256b678c1de68", kill_on_drop: false }`
[INFO] [stdout] 6927d2de36e9b5be40dbefb0052f11bf3c025ae15fabadd12ae256b678c1de68
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3606dbe1a52c9f10f8bbfbb377dae19c6b2e1fe7a4e2b9ece46f1fd8ad0b2725
[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" "3606dbe1a52c9f10f8bbfbb377dae19c6b2e1fe7a4e2b9ece46f1fd8ad0b2725", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcorp_math_mods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3606dbe1a52c9f10f8bbfbb377dae19c6b2e1fe7a4e2b9ece46f1fd8ad0b2725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3606dbe1a52c9f10f8bbfbb377dae19c6b2e1fe7a4e2b9ece46f1fd8ad0b2725", kill_on_drop: false }`
[INFO] [stdout] 3606dbe1a52c9f10f8bbfbb377dae19c6b2e1fe7a4e2b9ece46f1fd8ad0b2725
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e4901a0805a57af83395eb18a9f8f395920546293a4b0a39108ca42658e089
[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" "78e4901a0805a57af83395eb18a9f8f395920546293a4b0a39108ca42658e089", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcorp_math_mods v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "78e4901a0805a57af83395eb18a9f8f395920546293a4b0a39108ca42658e089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e4901a0805a57af83395eb18a9f8f395920546293a4b0a39108ca42658e089", kill_on_drop: false }`
[INFO] [stdout] 78e4901a0805a57af83395eb18a9f8f395920546293a4b0a39108ca42658e089
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9900e18a83bf00a9a9c5b740d264c32e24b391bdb0401eba8a80a08c4cf264f4
[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" "9900e18a83bf00a9a9c5b740d264c32e24b391bdb0401eba8a80a08c4cf264f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tcorp_math_mods-da95a35b1a82ca2d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factors-6cde19b06a16fc65
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcorp_math_mods
[INFO] [stdout] running 2 tests
[INFO] [stdout] test factors_returns_correct_results ... ok
[INFO] [stdout] test number_of_factors_returns_correct_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9900e18a83bf00a9a9c5b740d264c32e24b391bdb0401eba8a80a08c4cf264f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9900e18a83bf00a9a9c5b740d264c32e24b391bdb0401eba8a80a08c4cf264f4", kill_on_drop: false }`
[INFO] [stdout] 9900e18a83bf00a9a9c5b740d264c32e24b391bdb0401eba8a80a08c4cf264f4