[INFO] fetching crate otter-cli 1.2.1...
[INFO] testing otter-cli-1.2.1 against 1.98.0-beta.6+cargoflags=--release for beta-1.98-release-3
[INFO] extracting crate otter-cli 1.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate otter-cli 1.2.1
[INFO] finished tweaking crates.io crate otter-cli 1.2.1
[INFO] tweaked toml for crates.io crate otter-cli 1.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate otter-cli 1.2.1 on toolchain 1.98.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate otter-cli 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493
[INFO] running `Command { std: "docker" "start" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/otter-1.2.1/src/global.rs:1490:8
[INFO] [stdout]      |
[INFO] [stdout] 1490 |     E: Error,
[INFO] [stdout]      |        ^^^^^ ambiguous name
[INFO] [stdout]      |
[INFO] [stdout]      = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the trait imported here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/otter-1.2.1/src/prelude.rs:31:9
[INFO] [stdout]      |
[INFO] [stdout]   31 | pub use crate::imports::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/otter-1.2.1/src/prelude.rs:37:9
[INFO] [stdout]      |
[INFO] [stdout]   37 | pub use otter_support::imports::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `Error` is ambiguous
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/otter-1.2.1/src/updates.rs:476:30
[INFO] [stdout]     |
[INFO] [stdout] 476 |   pub fn try_map<NS2, ZC2, E:Error,
[INFO] [stdout]     |                              ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of multiple glob imports of a name in the same module
[INFO] [stdout] note: `Error` could refer to the trait imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/otter-1.2.1/src/prelude.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout]  31 | pub use crate::imports::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] note: `Error` could also refer to the enum imported here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/otter-1.2.1/src/prelude.rs:37:9
[INFO] [stdout]     |
[INFO] [stdout]  37 | pub use otter_support::imports::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `Error` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `otter` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493", kill_on_drop: false }`
[INFO] [stdout] 36cfd8d02582e8b4627500d0e664108d96b8862b7d212aaeb58083d26d028493
