[INFO] fetching crate simple_calculator_with_add_sub_mul_div_oftwonumbers 0.1.0...
[INFO] testing simple_calculator_with_add_sub_mul_div_oftwonumbers-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate simple_calculator_with_add_sub_mul_div_oftwonumbers 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate simple_calculator_with_add_sub_mul_div_oftwonumbers 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 simple_calculator_with_add_sub_mul_div_oftwonumbers 0.1.0
[INFO] finished tweaking crates.io crate simple_calculator_with_add_sub_mul_div_oftwonumbers 0.1.0
[INFO] tweaked toml for crates.io crate simple_calculator_with_add_sub_mul_div_oftwonumbers 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate simple_calculator_with_add_sub_mul_div_oftwonumbers 0.1.0 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6d9d9022c3b8d50fc9d8e1ccc98ecdf50e970fe46685fdbe5222bc25a6173fec
[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" "6d9d9022c3b8d50fc9d8e1ccc98ecdf50e970fe46685fdbe5222bc25a6173fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9d9022c3b8d50fc9d8e1ccc98ecdf50e970fe46685fdbe5222bc25a6173fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9d9022c3b8d50fc9d8e1ccc98ecdf50e970fe46685fdbe5222bc25a6173fec", kill_on_drop: false }`
[INFO] [stdout] 6d9d9022c3b8d50fc9d8e1ccc98ecdf50e970fe46685fdbe5222bc25a6173fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 9f4496b4386388cdc6c0e592344a0568c8ac34aadc03eaf767575afd72a701e2
[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" "9f4496b4386388cdc6c0e592344a0568c8ac34aadc03eaf767575afd72a701e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_calculator_with_add_sub_mul_div_oftwonumbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "9f4496b4386388cdc6c0e592344a0568c8ac34aadc03eaf767575afd72a701e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4496b4386388cdc6c0e592344a0568c8ac34aadc03eaf767575afd72a701e2", kill_on_drop: false }`
[INFO] [stdout] 9f4496b4386388cdc6c0e592344a0568c8ac34aadc03eaf767575afd72a701e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 7928d468eb26f1bec47ff4d1fe23b065f9394ec78bfddc6093e71a1232090277
[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" "7928d468eb26f1bec47ff4d1fe23b065f9394ec78bfddc6093e71a1232090277", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_calculator_with_add_sub_mul_div_oftwonumbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7928d468eb26f1bec47ff4d1fe23b065f9394ec78bfddc6093e71a1232090277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7928d468eb26f1bec47ff4d1fe23b065f9394ec78bfddc6093e71a1232090277", kill_on_drop: false }`
[INFO] [stdout] 7928d468eb26f1bec47ff4d1fe23b065f9394ec78bfddc6093e71a1232090277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 936b9ca9c59ee1ebaea2dfa33a70ab9b8ef7c65b10ed11871e6f2ec585b1a5ce
[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" "936b9ca9c59ee1ebaea2dfa33a70ab9b8ef7c65b10ed11871e6f2ec585b1a5ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_calculator_with_add_sub_mul_div_oftwonumbers-ed2372abe12eb1a2
[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" "936b9ca9c59ee1ebaea2dfa33a70ab9b8ef7c65b10ed11871e6f2ec585b1a5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936b9ca9c59ee1ebaea2dfa33a70ab9b8ef7c65b10ed11871e6f2ec585b1a5ce", kill_on_drop: false }`
[INFO] [stdout] 936b9ca9c59ee1ebaea2dfa33a70ab9b8ef7c65b10ed11871e6f2ec585b1a5ce