[INFO] fetching crate currawong_core 0.5.0...
[INFO] checking currawong_core-0.5.0 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate currawong_core 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate currawong_core 0.5.0 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate currawong_core 0.5.0
[INFO] finished tweaking crates.io crate currawong_core 0.5.0
[INFO] tweaked toml for crates.io crate currawong_core 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024c90ce8b4613b530d1c241b9935caaf75b59326b682c79b4f6088301b42680
[INFO] running `Command { std: "docker" "start" "-a" "024c90ce8b4613b530d1c241b9935caaf75b59326b682c79b4f6088301b42680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024c90ce8b4613b530d1c241b9935caaf75b59326b682c79b4f6088301b42680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024c90ce8b4613b530d1c241b9935caaf75b59326b682c79b4f6088301b42680", kill_on_drop: false }`
[INFO] [stdout] 024c90ce8b4613b530d1c241b9935caaf75b59326b682c79b4f6088301b42680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1371afe8647e095ed4b2b107447aeaddbe7c395c30533d1e14e5031196e09d
[INFO] running `Command { std: "docker" "start" "-a" "6c1371afe8647e095ed4b2b107447aeaddbe7c395c30533d1e14e5031196e09d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking currawong_core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `usize` to `usize`
[INFO] [stdout]    --> src/builder.rs:629:32
[INFO] [stdout]     |
[INFO] [stdout] 629 |             self.length = Some(length.into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `usize` to `usize`
[INFO] [stdout]    --> src/builder.rs:684:32
[INFO] [stdout]     |
[INFO] [stdout] 684 |             self.length = Some(length.into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `usize` to `usize`
[INFO] [stdout]    --> src/builder.rs:629:32
[INFO] [stdout]     |
[INFO] [stdout] 629 |             self.length = Some(length.into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `usize` to `usize`
[INFO] [stdout]    --> src/builder.rs:684:32
[INFO] [stdout]     |
[INFO] [stdout] 684 |             self.length = Some(length.into());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `currawong_core` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `currawong_core` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c1371afe8647e095ed4b2b107447aeaddbe7c395c30533d1e14e5031196e09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1371afe8647e095ed4b2b107447aeaddbe7c395c30533d1e14e5031196e09d", kill_on_drop: false }`
[INFO] [stdout] 6c1371afe8647e095ed4b2b107447aeaddbe7c395c30533d1e14e5031196e09d