[INFO] fetching crate borc 0.6.0...
[INFO] checking borc-0.6.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate borc 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate borc 0.6.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate borc 0.6.0
[INFO] finished tweaking crates.io crate borc 0.6.0
[INFO] tweaked toml for crates.io crate borc 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e68fe93d8bedc5998d3bb813ea69b3cb727142c8535c54c075fe91a99302cfe3
[INFO] running `Command { std: "docker" "start" "-a" "e68fe93d8bedc5998d3bb813ea69b3cb727142c8535c54c075fe91a99302cfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e68fe93d8bedc5998d3bb813ea69b3cb727142c8535c54c075fe91a99302cfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68fe93d8bedc5998d3bb813ea69b3cb727142c8535c54c075fe91a99302cfe3", kill_on_drop: false }`
[INFO] [stdout] e68fe93d8bedc5998d3bb813ea69b3cb727142c8535c54c075fe91a99302cfe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d90a0dbb76bf2ad201ccf71d459db2be2c6b23c42e9b5e8b7db9f7e4306860
[INFO] running `Command { std: "docker" "start" "-a" "a8d90a0dbb76bf2ad201ccf71d459db2be2c6b23c42e9b5e8b7db9f7e4306860", kill_on_drop: false }`
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking borc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DateTimeEncodeStyle`
[INFO] [stdout]   --> src/extended/streaming.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |         BignumDecodeStyle, DateTimeDecodeStyle, DateTimeEncodeStyle, DecodeExtensionConfig,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DateTimeEncodeStyle`
[INFO] [stdout]   --> src/extended/streaming.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |         BignumDecodeStyle, DateTimeDecodeStyle, DateTimeEncodeStyle, DecodeExtensionConfig,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_text_string` is never used
[INFO] [stdout]   --> src/basic/streaming.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<T: Read> Decoder<T> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub(crate) fn read_text_string(&mut self) -> Result<Cow<str>, DecodeError> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_text_string` is never used
[INFO] [stdout]    --> src/extended/streaming.rs:233:16
[INFO] [stdout]     |
[INFO] [stdout] 181 | impl<T: Read> Decoder<T> {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub(crate) fn read_text_string(&mut self) -> Result<Cow<str>, DecodeError> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_text_string` is never used
[INFO] [stdout]   --> src/basic/streaming.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<T: Read> Decoder<T> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub(crate) fn read_text_string(&mut self) -> Result<Cow<str>, DecodeError> {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_text_string` is never used
[INFO] [stdout]    --> src/extended/streaming.rs:233:16
[INFO] [stdout]     |
[INFO] [stdout] 181 | impl<T: Read> Decoder<T> {
[INFO] [stdout]     | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 233 |     pub(crate) fn read_text_string(&mut self) -> Result<Cow<str>, DecodeError> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "a8d90a0dbb76bf2ad201ccf71d459db2be2c6b23c42e9b5e8b7db9f7e4306860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d90a0dbb76bf2ad201ccf71d459db2be2c6b23c42e9b5e8b7db9f7e4306860", kill_on_drop: false }`
[INFO] [stdout] a8d90a0dbb76bf2ad201ccf71d459db2be2c6b23c42e9b5e8b7db9f7e4306860