[INFO] fetching crate lisbeth-tuple-tools 0.1.0...
[INFO] testing lisbeth-tuple-tools-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lisbeth-tuple-tools 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate lisbeth-tuple-tools 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lisbeth-tuple-tools 0.1.0
[INFO] finished tweaking crates.io crate lisbeth-tuple-tools 0.1.0
[INFO] tweaked toml for crates.io crate lisbeth-tuple-tools 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f427181862f76ca49425297183b0a397b081bf70191f3ea1a67c8e83e0c8a1db
[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" "f427181862f76ca49425297183b0a397b081bf70191f3ea1a67c8e83e0c8a1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f427181862f76ca49425297183b0a397b081bf70191f3ea1a67c8e83e0c8a1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f427181862f76ca49425297183b0a397b081bf70191f3ea1a67c8e83e0c8a1db", kill_on_drop: false }`
[INFO] [stdout] f427181862f76ca49425297183b0a397b081bf70191f3ea1a67c8e83e0c8a1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e438bc0d39f4456e10c1e2c23ca89f23e44f66c7ef084fb15b80c4edd68941af
[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" "e438bc0d39f4456e10c1e2c23ca89f23e44f66c7ef084fb15b80c4edd68941af", kill_on_drop: false }`
[INFO] [stderr]    Compiling lisbeth-tuple-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e438bc0d39f4456e10c1e2c23ca89f23e44f66c7ef084fb15b80c4edd68941af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e438bc0d39f4456e10c1e2c23ca89f23e44f66c7ef084fb15b80c4edd68941af", kill_on_drop: false }`
[INFO] [stdout] e438bc0d39f4456e10c1e2c23ca89f23e44f66c7ef084fb15b80c4edd68941af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e0ccb46b2e1bc847c20d7d7159d8493b187762970471af6a3657659567a0a0d
[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" "7e0ccb46b2e1bc847c20d7d7159d8493b187762970471af6a3657659567a0a0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lisbeth-tuple-tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7e0ccb46b2e1bc847c20d7d7159d8493b187762970471af6a3657659567a0a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0ccb46b2e1bc847c20d7d7159d8493b187762970471af6a3657659567a0a0d", kill_on_drop: false }`
[INFO] [stdout] 7e0ccb46b2e1bc847c20d7d7159d8493b187762970471af6a3657659567a0a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4199b83179fd63d6d556f14f628c6adf4a1a955971f913998ec8f62b459c9b31
[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" "4199b83179fd63d6d556f14f628c6adf4a1a955971f913998ec8f62b459c9b31", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lisbeth_tuple_tools-9ecb8d422ad3d9f1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test append::tests::append_up_to_eight ... ok
[INFO] [stdout] test append::tests::append_empty_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lisbeth-tuple-tools
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4199b83179fd63d6d556f14f628c6adf4a1a955971f913998ec8f62b459c9b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4199b83179fd63d6d556f14f628c6adf4a1a955971f913998ec8f62b459c9b31", kill_on_drop: false }`
[INFO] [stdout] 4199b83179fd63d6d556f14f628c6adf4a1a955971f913998ec8f62b459c9b31