[INFO] fetching crate borc 0.6.0...
[INFO] checking borc-0.6.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate borc 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate borc 0.6.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7a3f5fda0348d91a479d1d97751753c419c0481545602a83ae5dae8feed7e81
[INFO] running `Command { std: "docker" "start" "-a" "a7a3f5fda0348d91a479d1d97751753c419c0481545602a83ae5dae8feed7e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7a3f5fda0348d91a479d1d97751753c419c0481545602a83ae5dae8feed7e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a3f5fda0348d91a479d1d97751753c419c0481545602a83ae5dae8feed7e81", kill_on_drop: false }`
[INFO] [stdout] a7a3f5fda0348d91a479d1d97751753c419c0481545602a83ae5dae8feed7e81
[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=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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7df70a57d71f32e3e6cc98ab7d29843c9c64a53c7e4ad3f00d510f529cd677a4
[INFO] running `Command { std: "docker" "start" "-a" "7df70a57d71f32e3e6cc98ab7d29843c9c64a53c7e4ad3f00d510f529cd677a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[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 5.61s
[INFO] running `Command { std: "docker" "inspect" "7df70a57d71f32e3e6cc98ab7d29843c9c64a53c7e4ad3f00d510f529cd677a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df70a57d71f32e3e6cc98ab7d29843c9c64a53c7e4ad3f00d510f529cd677a4", kill_on_drop: false }`
[INFO] [stdout] 7df70a57d71f32e3e6cc98ab7d29843c9c64a53c7e4ad3f00d510f529cd677a4