[INFO] fetching crate multiply_nums 0.1.0...
[INFO] testing multiply_nums-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate multiply_nums 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate multiply_nums 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 multiply_nums 0.1.0
[INFO] finished tweaking crates.io crate multiply_nums 0.1.0
[INFO] tweaked toml for crates.io crate multiply_nums 0.1.0 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cfa145dac3cb5eba663d4dc4732f0eacb196d424a159bd97564dce267ee614e
[INFO] running `Command { std: "docker" "start" "-a" "3cfa145dac3cb5eba663d4dc4732f0eacb196d424a159bd97564dce267ee614e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cfa145dac3cb5eba663d4dc4732f0eacb196d424a159bd97564dce267ee614e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfa145dac3cb5eba663d4dc4732f0eacb196d424a159bd97564dce267ee614e", kill_on_drop: false }`
[INFO] [stdout] 3cfa145dac3cb5eba663d4dc4732f0eacb196d424a159bd97564dce267ee614e
[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] dc63f73cdcc6c23aeb5eaf19ae4a40c76074c0c074301bf55397d03714c99bc5
[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" "dc63f73cdcc6c23aeb5eaf19ae4a40c76074c0c074301bf55397d03714c99bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling multiply_nums v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "dc63f73cdcc6c23aeb5eaf19ae4a40c76074c0c074301bf55397d03714c99bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc63f73cdcc6c23aeb5eaf19ae4a40c76074c0c074301bf55397d03714c99bc5", kill_on_drop: false }`
[INFO] [stdout] dc63f73cdcc6c23aeb5eaf19ae4a40c76074c0c074301bf55397d03714c99bc5
[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] [stdout] d59a5f6d40de645dd2fc1026248bb911b8a61adc7792ef62ea84ee91c67dc217
[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" "d59a5f6d40de645dd2fc1026248bb911b8a61adc7792ef62ea84ee91c67dc217", kill_on_drop: false }`
[INFO] [stderr]    Compiling multiply_nums v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "d59a5f6d40de645dd2fc1026248bb911b8a61adc7792ef62ea84ee91c67dc217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59a5f6d40de645dd2fc1026248bb911b8a61adc7792ef62ea84ee91c67dc217", kill_on_drop: false }`
[INFO] [stdout] d59a5f6d40de645dd2fc1026248bb911b8a61adc7792ef62ea84ee91c67dc217
[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] 534111c6ed22260423945d56affcd948cbfccfaafc9b3e199fa08bd818de76c1
[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" "534111c6ed22260423945d56affcd948cbfccfaafc9b3e199fa08bd818de76c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiply_nums-27f2f3300c8653cc
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multiply_nums
[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" "534111c6ed22260423945d56affcd948cbfccfaafc9b3e199fa08bd818de76c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534111c6ed22260423945d56affcd948cbfccfaafc9b3e199fa08bd818de76c1", kill_on_drop: false }`
[INFO] [stdout] 534111c6ed22260423945d56affcd948cbfccfaafc9b3e199fa08bd818de76c1