[INFO] fetching crate zinc-lang 0.1.0...
[INFO] testing zinc-lang-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate zinc-lang 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zinc-lang 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zinc-lang 0.1.0
[INFO] finished tweaking crates.io crate zinc-lang 0.1.0
[INFO] tweaked toml for crates.io crate zinc-lang 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate zinc-lang 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lib-zinc v0.1.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 773dd5c5b0992b6c717a8fa138780ca3148b027733b220b67fbf54dbb4023280
[INFO] running `Command { std: "docker" "start" "-a" "773dd5c5b0992b6c717a8fa138780ca3148b027733b220b67fbf54dbb4023280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "773dd5c5b0992b6c717a8fa138780ca3148b027733b220b67fbf54dbb4023280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773dd5c5b0992b6c717a8fa138780ca3148b027733b220b67fbf54dbb4023280", kill_on_drop: false }`
[INFO] [stdout] 773dd5c5b0992b6c717a8fa138780ca3148b027733b220b67fbf54dbb4023280
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a4a6b75be3ffa4c07f28ebeef667d54fc8b085e1bc12f3e073db8f8f08c609
[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" "a2a4a6b75be3ffa4c07f28ebeef667d54fc8b085e1bc12f3e073db8f8f08c609", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib-zinc v0.1.1
[INFO] [stderr]    Compiling zinc-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a2a4a6b75be3ffa4c07f28ebeef667d54fc8b085e1bc12f3e073db8f8f08c609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a4a6b75be3ffa4c07f28ebeef667d54fc8b085e1bc12f3e073db8f8f08c609", kill_on_drop: false }`
[INFO] [stdout] a2a4a6b75be3ffa4c07f28ebeef667d54fc8b085e1bc12f3e073db8f8f08c609
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51390681de53c6a6b1afd2efdeb695f1210ea3baf93f79361aee5fd5896868b9
[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" "51390681de53c6a6b1afd2efdeb695f1210ea3baf93f79361aee5fd5896868b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zinc-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "51390681de53c6a6b1afd2efdeb695f1210ea3baf93f79361aee5fd5896868b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51390681de53c6a6b1afd2efdeb695f1210ea3baf93f79361aee5fd5896868b9", kill_on_drop: false }`
[INFO] [stdout] 51390681de53c6a6b1afd2efdeb695f1210ea3baf93f79361aee5fd5896868b9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 35673e16f32bf9ab09c3ceafe8528da6bcbb3df426fd6d89bdcd29354b18267d
[INFO] running `Command { std: "docker" "start" "-a" "35673e16f32bf9ab09c3ceafe8528da6bcbb3df426fd6d89bdcd29354b18267d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zinc_lang-73720f04e795c603)
[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" "35673e16f32bf9ab09c3ceafe8528da6bcbb3df426fd6d89bdcd29354b18267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35673e16f32bf9ab09c3ceafe8528da6bcbb3df426fd6d89bdcd29354b18267d", kill_on_drop: false }`
[INFO] [stdout] 35673e16f32bf9ab09c3ceafe8528da6bcbb3df426fd6d89bdcd29354b18267d