[INFO] fetching crate signet-rpc 0.0.1-alpha...
[INFO] testing signet-rpc-0.0.1-alpha against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate signet-rpc 0.0.1-alpha into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate signet-rpc 0.0.1-alpha
[INFO] finished tweaking crates.io crate signet-rpc 0.0.1-alpha
[INFO] tweaked toml for crates.io crate signet-rpc 0.0.1-alpha written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signet-rpc 0.0.1-alpha on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate signet-rpc 0.0.1-alpha 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 793ba079aa13b24b0fb33ed1cf9fee7b0341357014f453bc8209e3f431dabc75
[INFO] running `Command { std: "docker" "start" "-a" "793ba079aa13b24b0fb33ed1cf9fee7b0341357014f453bc8209e3f431dabc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793ba079aa13b24b0fb33ed1cf9fee7b0341357014f453bc8209e3f431dabc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793ba079aa13b24b0fb33ed1cf9fee7b0341357014f453bc8209e3f431dabc75", kill_on_drop: false }`
[INFO] [stdout] 793ba079aa13b24b0fb33ed1cf9fee7b0341357014f453bc8209e3f431dabc75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ed19e7ffa227c4b12fad4cfe4e0c9d0c2ca4ebde85b7134cfd3a3334aeeaeb
[INFO] running `Command { std: "docker" "start" "-a" "84ed19e7ffa227c4b12fad4cfe4e0c9d0c2ca4ebde85b7134cfd3a3334aeeaeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling signet-rpc v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hello_world` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_world() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "84ed19e7ffa227c4b12fad4cfe4e0c9d0c2ca4ebde85b7134cfd3a3334aeeaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ed19e7ffa227c4b12fad4cfe4e0c9d0c2ca4ebde85b7134cfd3a3334aeeaeb", kill_on_drop: false }`
[INFO] [stdout] 84ed19e7ffa227c4b12fad4cfe4e0c9d0c2ca4ebde85b7134cfd3a3334aeeaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ae1a20fc3f65ae5a816f10261e03e054ee6734beaf67fcd1fa34e30b699e2c3
[INFO] running `Command { std: "docker" "start" "-a" "4ae1a20fc3f65ae5a816f10261e03e054ee6734beaf67fcd1fa34e30b699e2c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling signet-rpc v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hello_world` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_world() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_world` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_world() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4ae1a20fc3f65ae5a816f10261e03e054ee6734beaf67fcd1fa34e30b699e2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae1a20fc3f65ae5a816f10261e03e054ee6734beaf67fcd1fa34e30b699e2c3", kill_on_drop: false }`
[INFO] [stdout] 4ae1a20fc3f65ae5a816f10261e03e054ee6734beaf67fcd1fa34e30b699e2c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a5c4259dc1abe3ff6fa3bb51575f9e56945446f31e1306cf92ad37f86ee13f8
[INFO] running `Command { std: "docker" "start" "-a" "7a5c4259dc1abe3ff6fa3bb51575f9e56945446f31e1306cf92ad37f86ee13f8", kill_on_drop: false }`
[INFO] [stderr] warning: function `hello_world` is never used
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn hello_world() {}
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `signet-rpc` (lib) generated 1 warning
[INFO] [stderr] warning: `signet-rpc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/signet_rpc-70066e9db23008e4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signet_rpc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a5c4259dc1abe3ff6fa3bb51575f9e56945446f31e1306cf92ad37f86ee13f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5c4259dc1abe3ff6fa3bb51575f9e56945446f31e1306cf92ad37f86ee13f8", kill_on_drop: false }`
[INFO] [stdout] 7a5c4259dc1abe3ff6fa3bb51575f9e56945446f31e1306cf92ad37f86ee13f8