[INFO] fetching crate buchberger 0.1.0...
[INFO] testing buchberger-0.1.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate buchberger 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate buchberger 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65bbcd0c913eb78524e5fa5a5b610c841bba691197a5afeed7d884cc4edfcdfc
[INFO] running `Command { std: "docker" "start" "-a" "65bbcd0c913eb78524e5fa5a5b610c841bba691197a5afeed7d884cc4edfcdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65bbcd0c913eb78524e5fa5a5b610c841bba691197a5afeed7d884cc4edfcdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65bbcd0c913eb78524e5fa5a5b610c841bba691197a5afeed7d884cc4edfcdfc", kill_on_drop: false }`
[INFO] [stdout] 65bbcd0c913eb78524e5fa5a5b610c841bba691197a5afeed7d884cc4edfcdfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9bec14a74a198f1759a0ccf0f035bcdbb29b94906089ea480ebfd8431763ad9
[INFO] running `Command { std: "docker" "start" "-a" "a9bec14a74a198f1759a0ccf0f035bcdbb29b94906089ea480ebfd8431763ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling buchberger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "a9bec14a74a198f1759a0ccf0f035bcdbb29b94906089ea480ebfd8431763ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bec14a74a198f1759a0ccf0f035bcdbb29b94906089ea480ebfd8431763ad9", kill_on_drop: false }`
[INFO] [stdout] a9bec14a74a198f1759a0ccf0f035bcdbb29b94906089ea480ebfd8431763ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4ff24c82ec9d04ad77e1dc688ab1a6393ae4830696e872aa3cb7c06b1b4c1d
[INFO] running `Command { std: "docker" "start" "-a" "ee4ff24c82ec9d04ad77e1dc688ab1a6393ae4830696e872aa3cb7c06b1b4c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling buchberger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ee4ff24c82ec9d04ad77e1dc688ab1a6393ae4830696e872aa3cb7c06b1b4c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4ff24c82ec9d04ad77e1dc688ab1a6393ae4830696e872aa3cb7c06b1b4c1d", kill_on_drop: false }`
[INFO] [stdout] ee4ff24c82ec9d04ad77e1dc688ab1a6393ae4830696e872aa3cb7c06b1b4c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75b30db7c95fe26674c38185c0fc69c66b88f7444080cfd3cb85bfa45f3dadc0
[INFO] running `Command { std: "docker" "start" "-a" "75b30db7c95fe26674c38185c0fc69c66b88f7444080cfd3cb85bfa45f3dadc0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buchberger-0488831a0593c079)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/buchberger-71372f4de0bedc1b)
[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] [stderr]    Doc-tests buchberger
[INFO] [stderr] error[E0659]: `buchberger` is ambiguous
[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: ambiguous because of multiple potential import sources
[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: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name buchberger --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern buchberger=/opt/rustwide/target/debug/deps/libbuchberger-9526b7322a123acc.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-3b93294800e9dc5d.rlib --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-8a41e2909d2c52e3.rlib -C embed-bitcode=no --cap-lints=warn --error-format human` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "75b30db7c95fe26674c38185c0fc69c66b88f7444080cfd3cb85bfa45f3dadc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b30db7c95fe26674c38185c0fc69c66b88f7444080cfd3cb85bfa45f3dadc0", kill_on_drop: false }`
[INFO] [stdout] 75b30db7c95fe26674c38185c0fc69c66b88f7444080cfd3cb85bfa45f3dadc0
