[INFO] fetching crate matecito-dll 0.1.0...
[INFO] testing matecito-dll-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate matecito-dll 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate matecito-dll 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 matecito-dll 0.1.0
[INFO] finished tweaking crates.io crate matecito-dll 0.1.0
[INFO] tweaked toml for crates.io crate matecito-dll 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 947d4e15bb81c16e1082ed32dfbce6b0ee5973a3551554d071a31c8e815eea7f
[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" "947d4e15bb81c16e1082ed32dfbce6b0ee5973a3551554d071a31c8e815eea7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "947d4e15bb81c16e1082ed32dfbce6b0ee5973a3551554d071a31c8e815eea7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "947d4e15bb81c16e1082ed32dfbce6b0ee5973a3551554d071a31c8e815eea7f", kill_on_drop: false }`
[INFO] [stdout] 947d4e15bb81c16e1082ed32dfbce6b0ee5973a3551554d071a31c8e815eea7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] dfce6ef6ef85b81251458941aad86ffb804521579d20cc898143d7cf369fd8a3
[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" "dfce6ef6ef85b81251458941aad86ffb804521579d20cc898143d7cf369fd8a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling matecito-dll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "dfce6ef6ef85b81251458941aad86ffb804521579d20cc898143d7cf369fd8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfce6ef6ef85b81251458941aad86ffb804521579d20cc898143d7cf369fd8a3", kill_on_drop: false }`
[INFO] [stdout] dfce6ef6ef85b81251458941aad86ffb804521579d20cc898143d7cf369fd8a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 85d2a45b5ab088a3c2af60b8b91d1cf108be7480d888106ccf9deea625f04526
[INFO] running `Command { std: "docker" "start" "-a" "85d2a45b5ab088a3c2af60b8b91d1cf108be7480d888106ccf9deea625f04526", kill_on_drop: false }`
[INFO] [stderr]    Compiling matecito-dll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "85d2a45b5ab088a3c2af60b8b91d1cf108be7480d888106ccf9deea625f04526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d2a45b5ab088a3c2af60b8b91d1cf108be7480d888106ccf9deea625f04526", kill_on_drop: false }`
[INFO] [stdout] 85d2a45b5ab088a3c2af60b8b91d1cf108be7480d888106ccf9deea625f04526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 085d346257da76d9416a65a8bc7915c24aa7a6c1320956b3d163431341179cd4
[INFO] running `Command { std: "docker" "start" "-a" "085d346257da76d9416a65a8bc7915c24aa7a6c1320956b3d163431341179cd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matecito_dll-3968020b5a751b5b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::num_elements ... ok
[INFO] [stdout] test tests::push_front_and_pop_back ... ok
[INFO] [stdout] test tests::edge_case_push_after_emptied_pop_back_and_empty_again ... ok
[INFO] [stdout] test tests::edge_case_push_after_emptied_delete_and_empty_again ... ok
[INFO] [stdout] test tests::populate_and_delete ... ok
[INFO] [stdout] test tests::push_front_and_pop_front ... ok
[INFO] [stdout] test tests::edge_case_push_after_emptied_pop_front_and_empty_again ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matecito-dll
[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" "085d346257da76d9416a65a8bc7915c24aa7a6c1320956b3d163431341179cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085d346257da76d9416a65a8bc7915c24aa7a6c1320956b3d163431341179cd4", kill_on_drop: false }`
[INFO] [stdout] 085d346257da76d9416a65a8bc7915c24aa7a6c1320956b3d163431341179cd4