[INFO] fetching crate tcorp_math_mods 0.1.0...
[INFO] testing tcorp_math_mods-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tcorp_math_mods 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tcorp_math_mods 0.1.0 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 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-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 74c38a905950380d42fad5fb543f952a9b2041badfb477f7ffda3104de43cbda
[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" "74c38a905950380d42fad5fb543f952a9b2041badfb477f7ffda3104de43cbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c38a905950380d42fad5fb543f952a9b2041badfb477f7ffda3104de43cbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c38a905950380d42fad5fb543f952a9b2041badfb477f7ffda3104de43cbda", kill_on_drop: false }`
[INFO] [stdout] 74c38a905950380d42fad5fb543f952a9b2041badfb477f7ffda3104de43cbda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 125c99f874b7665677fa7cfb03fd3e1bcd170a3db4ebf622e4133b4d83522474
[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" "125c99f874b7665677fa7cfb03fd3e1bcd170a3db4ebf622e4133b4d83522474", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "125c99f874b7665677fa7cfb03fd3e1bcd170a3db4ebf622e4133b4d83522474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125c99f874b7665677fa7cfb03fd3e1bcd170a3db4ebf622e4133b4d83522474", kill_on_drop: false }`
[INFO] [stdout] 125c99f874b7665677fa7cfb03fd3e1bcd170a3db4ebf622e4133b4d83522474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8933ac9a4f4059c34cf5bfc5bbb4927645d4e54268cc5f128c76ec886daa8db9
[INFO] running `Command { std: "docker" "start" "-a" "8933ac9a4f4059c34cf5bfc5bbb4927645d4e54268cc5f128c76ec886daa8db9", 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 1.34s
[INFO] running `Command { std: "docker" "inspect" "8933ac9a4f4059c34cf5bfc5bbb4927645d4e54268cc5f128c76ec886daa8db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8933ac9a4f4059c34cf5bfc5bbb4927645d4e54268cc5f128c76ec886daa8db9", kill_on_drop: false }`
[INFO] [stdout] 8933ac9a4f4059c34cf5bfc5bbb4927645d4e54268cc5f128c76ec886daa8db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd2319a63fc3fda2332890d3c07ac5646f425470245ef20662b69202a50c631e
[INFO] running `Command { std: "docker" "start" "-a" "bd2319a63fc3fda2332890d3c07ac5646f425470245ef20662b69202a50c631e", 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-28e419a9266ea246
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/factors-a0d99fe1337b839e
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tcorp_math_mods
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd2319a63fc3fda2332890d3c07ac5646f425470245ef20662b69202a50c631e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2319a63fc3fda2332890d3c07ac5646f425470245ef20662b69202a50c631e", kill_on_drop: false }`
[INFO] [stdout] bd2319a63fc3fda2332890d3c07ac5646f425470245ef20662b69202a50c631e