[INFO] fetching crate buchberger 0.1.0...
[INFO] testing buchberger-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate buchberger 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate buchberger 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buchberger 0.1.0
[INFO] finished tweaking crates.io crate buchberger 0.1.0
[INFO] tweaked toml for crates.io crate buchberger 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d64fd421d80493f021f271fc79462ee1ecae14dc59869ff03b9b301418e666cc
[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" "d64fd421d80493f021f271fc79462ee1ecae14dc59869ff03b9b301418e666cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64fd421d80493f021f271fc79462ee1ecae14dc59869ff03b9b301418e666cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64fd421d80493f021f271fc79462ee1ecae14dc59869ff03b9b301418e666cc", kill_on_drop: false }`
[INFO] [stdout] d64fd421d80493f021f271fc79462ee1ecae14dc59869ff03b9b301418e666cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438b133403a9c7972089cc8064db9af20de00e04d0e156ae1b33981eac7866e8
[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" "438b133403a9c7972089cc8064db9af20de00e04d0e156ae1b33981eac7866e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling buchberger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "438b133403a9c7972089cc8064db9af20de00e04d0e156ae1b33981eac7866e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438b133403a9c7972089cc8064db9af20de00e04d0e156ae1b33981eac7866e8", kill_on_drop: false }`
[INFO] [stdout] 438b133403a9c7972089cc8064db9af20de00e04d0e156ae1b33981eac7866e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c61bffbe1be58025a63c7055e66d9add7f79933957c8d5082ce0d1d3620348f
[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" "0c61bffbe1be58025a63c7055e66d9add7f79933957c8d5082ce0d1d3620348f", kill_on_drop: false }`
[INFO] [stderr]    Compiling buchberger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "0c61bffbe1be58025a63c7055e66d9add7f79933957c8d5082ce0d1d3620348f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c61bffbe1be58025a63c7055e66d9add7f79933957c8d5082ce0d1d3620348f", kill_on_drop: false }`
[INFO] [stdout] 0c61bffbe1be58025a63c7055e66d9add7f79933957c8d5082ce0d1d3620348f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb2d34357cda9a9ddbedbd0f921107ed24ea7598543eb1ca963778d707669378
[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" "bb2d34357cda9a9ddbedbd0f921107ed24ea7598543eb1ca963778d707669378", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buchberger-0687ba0b0f49706f
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buchberger-24f78596afb7f96b
[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] [stderr]    Doc-tests buchberger
[INFO] [stderr] error[E0659]: `buchberger` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use buchberger::groebner;
[INFO] [stderr]    |         ^^^^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: `buchberger` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::buchberger` to refer to this crate unambiguously
[INFO] [stderr] note: `buchberger` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | mod buchberger;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::buchberger` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "bb2d34357cda9a9ddbedbd0f921107ed24ea7598543eb1ca963778d707669378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2d34357cda9a9ddbedbd0f921107ed24ea7598543eb1ca963778d707669378", kill_on_drop: false }`
[INFO] [stdout] bb2d34357cda9a9ddbedbd0f921107ed24ea7598543eb1ca963778d707669378
