[INFO] fetching crate cauz 0.0.3...
[INFO] testing cauz-0.0.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cauz 0.0.3 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cauz 0.0.3
[INFO] finished tweaking crates.io crate cauz 0.0.3
[INFO] tweaked toml for crates.io crate cauz 0.0.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cauz 0.0.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cauz 0.0.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-timeout v0.5.2
[INFO] [stderr]   Downloaded tonic v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52447d41ebb99da591cb2a18a734c464dd13a3051a57de9812ccbc0654de536e
[INFO] running `Command { std: "docker" "start" "-a" "52447d41ebb99da591cb2a18a734c464dd13a3051a57de9812ccbc0654de536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52447d41ebb99da591cb2a18a734c464dd13a3051a57de9812ccbc0654de536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52447d41ebb99da591cb2a18a734c464dd13a3051a57de9812ccbc0654de536e", kill_on_drop: false }`
[INFO] [stdout] 52447d41ebb99da591cb2a18a734c464dd13a3051a57de9812ccbc0654de536e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf677a60f856ad208d489f484bd7544557600343e3feebbd09df62aab343a4d2
[INFO] running `Command { std: "docker" "start" "-a" "cf677a60f856ad208d489f484bd7544557600343e3feebbd09df62aab343a4d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling cauz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |                           ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "cf677a60f856ad208d489f484bd7544557600343e3feebbd09df62aab343a4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf677a60f856ad208d489f484bd7544557600343e3feebbd09df62aab343a4d2", kill_on_drop: false }`
[INFO] [stdout] cf677a60f856ad208d489f484bd7544557600343e3feebbd09df62aab343a4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df9e822d9eeb59f8bad41c9b36b1b81b9e21f9da316591d5d8ed3782ccb9f527
[INFO] running `Command { std: "docker" "start" "-a" "df9e822d9eeb59f8bad41c9b36b1b81b9e21f9da316591d5d8ed3782ccb9f527", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |                           ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cauz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |                           ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "df9e822d9eeb59f8bad41c9b36b1b81b9e21f9da316591d5d8ed3782ccb9f527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9e822d9eeb59f8bad41c9b36b1b81b9e21f9da316591d5d8ed3782ccb9f527", kill_on_drop: false }`
[INFO] [stdout] df9e822d9eeb59f8bad41c9b36b1b81b9e21f9da316591d5d8ed3782ccb9f527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb353aecfd9562a2076bb6648c93f249932ebeb71187efe61027432c701dd6f8
[INFO] running `Command { std: "docker" "start" "-a" "cb353aecfd9562a2076bb6648c93f249932ebeb71187efe61027432c701dd6f8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |                           ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `cauz` (lib) generated 1 warning (run `cargo fix --lib -p cauz` to apply 1 suggestion)
[INFO] [stderr] warning: `cauz` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cauz-17a4da8fb30b910b)
[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 cauz
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |                           ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "cb353aecfd9562a2076bb6648c93f249932ebeb71187efe61027432c701dd6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb353aecfd9562a2076bb6648c93f249932ebeb71187efe61027432c701dd6f8", kill_on_drop: false }`
[INFO] [stdout] cb353aecfd9562a2076bb6648c93f249932ebeb71187efe61027432c701dd6f8