[INFO] fetching crate otter-cli 1.2.1...
[INFO] testing otter-cli-1.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate otter-cli 1.2.1 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate otter-cli 1.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.31
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f5b950d90f508451908a064d78b538a8be2038b2176506c1b9d51438a768714
[INFO] running `Command { std: "docker" "start" "-a" "4f5b950d90f508451908a064d78b538a8be2038b2176506c1b9d51438a768714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5b950d90f508451908a064d78b538a8be2038b2176506c1b9d51438a768714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5b950d90f508451908a064d78b538a8be2038b2176506c1b9d51438a768714", kill_on_drop: false }`
[INFO] [stdout] 4f5b950d90f508451908a064d78b538a8be2038b2176506c1b9d51438a768714
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b60143291689648f90284e57292f36469450e7a5249b313b4e46d56fd1f76683
[INFO] running `Command { std: "docker" "start" "-a" "b60143291689648f90284e57292f36469450e7a5249b313b4e46d56fd1f76683", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.137
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[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling typetag-impl v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling derive-into-owned v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.9.0
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.3.0
[INFO] [stderr]    Compiling openssh-keys v0.5.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling delegate v0.7.0
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]    Compiling lazy-regex v2.3.0
[INFO] [stderr]    Compiling ambassador v0.3.1
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling serde_with v1.14.0
[INFO] [stderr]    Compiling rmp-serde v1.1.0
[INFO] [stderr]    Compiling enum-map v2.4.0
[INFO] [stderr]    Compiling humantime-serde v1.1.1
[INFO] [stderr]    Compiling index_vec v0.1.3
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling flexi_logger v0.22.5
[INFO] [stderr]    Compiling typetag v0.1.8
[INFO] [stderr]    Compiling const-default-derive v0.2.0
[INFO] [stderr]    Compiling cast_trait_object_macros v0.1.3
[INFO] [stderr]    Compiling otter-base v1.2.1
[INFO] [stderr]    Compiling tera v1.16.0
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling cast_trait_object v0.1.3
[INFO] [stderr]    Compiling otter-support v1.2.1
[INFO] [stderr]    Compiling zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]    Compiling zip v0.6.2
[INFO] [stderr]    Compiling otter v1.2.1
[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" "b60143291689648f90284e57292f36469450e7a5249b313b4e46d56fd1f76683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60143291689648f90284e57292f36469450e7a5249b313b4e46d56fd1f76683", kill_on_drop: false }`
[INFO] [stdout] b60143291689648f90284e57292f36469450e7a5249b313b4e46d56fd1f76683
