[INFO] fetching crate core-rpc 0.17.0...
[INFO] checking core-rpc-0.17.0 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate core-rpc 0.17.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate core-rpc 0.17.0 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 core-rpc 0.17.0
[INFO] finished tweaking crates.io crate core-rpc 0.17.0
[INFO] tweaked toml for crates.io crate core-rpc 0.17.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate core-rpc 0.17.0 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7c56d59d06f6bae4208b1fe146fdd7e5dc7efa6a277d10987abaa8a67d6be10f
[INFO] running `Command { std: "docker" "start" "-a" "7c56d59d06f6bae4208b1fe146fdd7e5dc7efa6a277d10987abaa8a67d6be10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c56d59d06f6bae4208b1fe146fdd7e5dc7efa6a277d10987abaa8a67d6be10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c56d59d06f6bae4208b1fe146fdd7e5dc7efa6a277d10987abaa8a67d6be10f", kill_on_drop: false }`
[INFO] [stdout] 7c56d59d06f6bae4208b1fe146fdd7e5dc7efa6a277d10987abaa8a67d6be10f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd279ac18fe8d967c0595306d060ceb45bee90e7572012492e4dba1bde328301
[INFO] running `Command { std: "docker" "start" "-a" "bd279ac18fe8d967c0595306d060ceb45bee90e7572012492e4dba1bde328301", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling bitcoin v0.30.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bitcoin_hashes v0.12.0
[INFO] [stderr]     Checking jsonrpc v0.13.0
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking core-rpc-json v0.17.0
[INFO] [stderr]     Checking core-rpc v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `error::Error` to `error::Error`
[INFO] [stdout]     --> src/client.rs:1256:29
[INFO] [stdout]      |
[INFO] [stdout] 1256 |             Err(err) => Err(err.into()),
[INFO] [stdout]      |                             ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-rpc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `error::Error` to `error::Error`
[INFO] [stdout]     --> src/client.rs:1256:29
[INFO] [stdout]      |
[INFO] [stdout] 1256 |             Err(err) => Err(err.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 `&str` to `&str`
[INFO] [stdout]     --> src/client.rs:1367:34
[INFO] [stdout]      |
[INFO] [stdout] 1367 |         let client = Client::new("http://localhost/".into(), Auth::None).unwrap();
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-rpc` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bd279ac18fe8d967c0595306d060ceb45bee90e7572012492e4dba1bde328301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd279ac18fe8d967c0595306d060ceb45bee90e7572012492e4dba1bde328301", kill_on_drop: false }`
[INFO] [stdout] bd279ac18fe8d967c0595306d060ceb45bee90e7572012492e4dba1bde328301