[INFO] fetching crate varlink-cli 4.5.2... [INFO] checking varlink-cli-4.5.2 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194 [INFO] extracting crate varlink-cli 4.5.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate varlink-cli 4.5.2 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate varlink-cli 4.5.2 [INFO] finished tweaking crates.io crate varlink-cli 4.5.2 [INFO] tweaked toml for crates.io crate varlink-cli 4.5.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate varlink-cli 4.5.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 354f493314a6644d3934e12cd7ff64413f2aa5e28c6eb40a7ebd6a4a81ed08be [INFO] running `Command { std: "docker" "start" "-a" "354f493314a6644d3934e12cd7ff64413f2aa5e28c6eb40a7ebd6a4a81ed08be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "354f493314a6644d3934e12cd7ff64413f2aa5e28c6eb40a7ebd6a4a81ed08be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "354f493314a6644d3934e12cd7ff64413f2aa5e28c6eb40a7ebd6a4a81ed08be", kill_on_drop: false }` [INFO] [stdout] 354f493314a6644d3934e12cd7ff64413f2aa5e28c6eb40a7ebd6a4a81ed08be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69673bccadf0008687b49ff539a2eac1b7fb9ecb344baf9e948b8bc49c6ba644 [INFO] running `Command { std: "docker" "start" "-a" "69673bccadf0008687b49ff539a2eac1b7fb9ecb344baf9e948b8bc49c6ba644", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.62 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling varlink_parser v4.1.0 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling chainerror v0.7.0 [INFO] [stderr] Compiling chainerror v0.4.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling escargot v0.5.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking unix_socket v0.5.0 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stdout] error[E0119]: conflicting implementations of trait `std::error::Error` for type `&ChainError<_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/chainerror-0.4.3/src/lib.rs:493:1 [INFO] [stdout] | [INFO] [stdout] 493 | impl Error for &ChainError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: conflicting implementation in crate `std`: [INFO] [stdout] - impl<'a, T> std::error::Error for &'a T [INFO] [stdout] where T: std::error::Error, T: ?Sized; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0119`. [INFO] [stdout] [INFO] [stderr] error: could not compile `chainerror` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "69673bccadf0008687b49ff539a2eac1b7fb9ecb344baf9e948b8bc49c6ba644", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69673bccadf0008687b49ff539a2eac1b7fb9ecb344baf9e948b8bc49c6ba644", kill_on_drop: false }` [INFO] [stdout] 69673bccadf0008687b49ff539a2eac1b7fb9ecb344baf9e948b8bc49c6ba644