[INFO] fetching crate element 0.1.0...
[INFO] testing element-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate element 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate element 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate element 0.1.0
[INFO] finished tweaking crates.io crate element 0.1.0
[INFO] tweaked toml for crates.io crate element 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0484da179cf5b4695142855b49c5d1228438cc37c3cb6928baf7fb3fa96440f6
[INFO] running `Command { std: "docker" "start" "-a" "0484da179cf5b4695142855b49c5d1228438cc37c3cb6928baf7fb3fa96440f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0484da179cf5b4695142855b49c5d1228438cc37c3cb6928baf7fb3fa96440f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0484da179cf5b4695142855b49c5d1228438cc37c3cb6928baf7fb3fa96440f6", kill_on_drop: false }`
[INFO] [stdout] 0484da179cf5b4695142855b49c5d1228438cc37c3cb6928baf7fb3fa96440f6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] fd76bc2ca3688517fbd1cf57bfbb2f274b7df519eb04433b223a963a2fe13281
[INFO] running `Command { std: "docker" "start" "-a" "fd76bc2ca3688517fbd1cf57bfbb2f274b7df519eb04433b223a963a2fe13281", kill_on_drop: false }`
[INFO] [stderr]    Compiling element v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "fd76bc2ca3688517fbd1cf57bfbb2f274b7df519eb04433b223a963a2fe13281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd76bc2ca3688517fbd1cf57bfbb2f274b7df519eb04433b223a963a2fe13281", kill_on_drop: false }`
[INFO] [stdout] fd76bc2ca3688517fbd1cf57bfbb2f274b7df519eb04433b223a963a2fe13281
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] af2dc55b25ba3772555893cc81d1bafdae3a55b0ccd823ca8d7a9bba34511317
[INFO] running `Command { std: "docker" "start" "-a" "af2dc55b25ba3772555893cc81d1bafdae3a55b0ccd823ca8d7a9bba34511317", kill_on_drop: false }`
[INFO] [stderr]    Compiling element v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "af2dc55b25ba3772555893cc81d1bafdae3a55b0ccd823ca8d7a9bba34511317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2dc55b25ba3772555893cc81d1bafdae3a55b0ccd823ca8d7a9bba34511317", kill_on_drop: false }`
[INFO] [stdout] af2dc55b25ba3772555893cc81d1bafdae3a55b0ccd823ca8d7a9bba34511317
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 9bde39870588af55a9288c613d07fba07281e206a6790f8b5d32aae72a3ce3fb
[INFO] running `Command { std: "docker" "start" "-a" "9bde39870588af55a9288c613d07fba07281e206a6790f8b5d32aae72a3ce3fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/element-53050ed7a0617b96)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests element
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bde39870588af55a9288c613d07fba07281e206a6790f8b5d32aae72a3ce3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bde39870588af55a9288c613d07fba07281e206a6790f8b5d32aae72a3ce3fb", kill_on_drop: false }`
[INFO] [stdout] 9bde39870588af55a9288c613d07fba07281e206a6790f8b5d32aae72a3ce3fb