[INFO] crate basic_math_operation 0.1.0 is already in cache
[INFO] testing basic_math_operation-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate basic_math_operation 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate basic_math_operation 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic_math_operation 0.1.0
[INFO] finished tweaking crates.io crate basic_math_operation 0.1.0
[INFO] tweaked toml for crates.io crate basic_math_operation 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c3698437cbb0cbfcb4a26192e70e5132df34d4c9b78bc650617cfe4e7b13ec6e
[INFO] running `Command { std: "docker" "start" "-a" "c3698437cbb0cbfcb4a26192e70e5132df34d4c9b78bc650617cfe4e7b13ec6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3698437cbb0cbfcb4a26192e70e5132df34d4c9b78bc650617cfe4e7b13ec6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3698437cbb0cbfcb4a26192e70e5132df34d4c9b78bc650617cfe4e7b13ec6e", kill_on_drop: false }`
[INFO] [stdout] c3698437cbb0cbfcb4a26192e70e5132df34d4c9b78bc650617cfe4e7b13ec6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cf97391eb683133cbffb35a2134a70da50ab7a84d07e272a5e7ce7b534a0ab1
[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" "8cf97391eb683133cbffb35a2134a70da50ab7a84d07e272a5e7ce7b534a0ab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_math_operation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "8cf97391eb683133cbffb35a2134a70da50ab7a84d07e272a5e7ce7b534a0ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf97391eb683133cbffb35a2134a70da50ab7a84d07e272a5e7ce7b534a0ab1", kill_on_drop: false }`
[INFO] [stdout] 8cf97391eb683133cbffb35a2134a70da50ab7a84d07e272a5e7ce7b534a0ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f3cab29591a895516cca0afac8af1ad0ade64cc5c6edf586aee14d6636a3492d
[INFO] running `Command { std: "docker" "start" "-a" "f3cab29591a895516cca0afac8af1ad0ade64cc5c6edf586aee14d6636a3492d", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic_math_operation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f3cab29591a895516cca0afac8af1ad0ade64cc5c6edf586aee14d6636a3492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cab29591a895516cca0afac8af1ad0ade64cc5c6edf586aee14d6636a3492d", kill_on_drop: false }`
[INFO] [stdout] f3cab29591a895516cca0afac8af1ad0ade64cc5c6edf586aee14d6636a3492d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffc6648c67a475df45ef82ac86a0af01522ac30c6871e1e66b0f9bca5bb64868
[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" "ffc6648c67a475df45ef82ac86a0af01522ac30c6871e1e66b0f9bca5bb64868", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic_math_operation-436aae0c1830178f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests basic_math_operation
[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 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" "ffc6648c67a475df45ef82ac86a0af01522ac30c6871e1e66b0f9bca5bb64868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc6648c67a475df45ef82ac86a0af01522ac30c6871e1e66b0f9bca5bb64868", kill_on_drop: false }`
[INFO] [stdout] ffc6648c67a475df45ef82ac86a0af01522ac30c6871e1e66b0f9bca5bb64868