[INFO] fetching crate librpc-json 0.1.2...
[INFO] testing librpc-json-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate librpc-json 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate librpc-json 0.1.2
[INFO] finished tweaking crates.io crate librpc-json 0.1.2
[INFO] tweaked toml for crates.io crate librpc-json 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate librpc-json 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1af33f85f25b3da59b8cff6603ac9fdc553c42c840cb3c45e37c0d44a3845a9
[INFO] running `Command { std: "docker" "start" "-a" "f1af33f85f25b3da59b8cff6603ac9fdc553c42c840cb3c45e37c0d44a3845a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1af33f85f25b3da59b8cff6603ac9fdc553c42c840cb3c45e37c0d44a3845a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1af33f85f25b3da59b8cff6603ac9fdc553c42c840cb3c45e37c0d44a3845a9", kill_on_drop: false }`
[INFO] [stdout] f1af33f85f25b3da59b8cff6603ac9fdc553c42c840cb3c45e37c0d44a3845a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a163a45476361303f83f27da1d792842bc9b41d68207f02a2cbe5671d0f5c5f
[INFO] running `Command { std: "docker" "start" "-a" "7a163a45476361303f83f27da1d792842bc9b41d68207f02a2cbe5671d0f5c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-timer-rs v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling librpc v0.1.2
[INFO] [stderr]    Compiling librpc-json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `JSONRPC` is never constructed
[INFO] [stdout]   --> src/object.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct JSONRPC<S, P, R, D> {
[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 5.03s
[INFO] running `Command { std: "docker" "inspect" "7a163a45476361303f83f27da1d792842bc9b41d68207f02a2cbe5671d0f5c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a163a45476361303f83f27da1d792842bc9b41d68207f02a2cbe5671d0f5c5f", kill_on_drop: false }`
[INFO] [stdout] 7a163a45476361303f83f27da1d792842bc9b41d68207f02a2cbe5671d0f5c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df9e27c21fccd494106ced70f62c735dbc2d48f46d255bd5cab3d83adcc0f27
[INFO] running `Command { std: "docker" "start" "-a" "5df9e27c21fccd494106ced70f62c735dbc2d48f46d255bd5cab3d83adcc0f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling async-timer-rs v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling futures-test v0.3.31
[INFO] [stderr]    Compiling librpc v0.1.2
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling librpc-json v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `JSONRPC` is never constructed
[INFO] [stdout]   --> src/object.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct JSONRPC<S, P, R, D> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JSONRPC` is never constructed
[INFO] [stdout]   --> src/object.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct JSONRPC<S, P, R, D> {
[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 21.82s
[INFO] running `Command { std: "docker" "inspect" "5df9e27c21fccd494106ced70f62c735dbc2d48f46d255bd5cab3d83adcc0f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df9e27c21fccd494106ced70f62c735dbc2d48f46d255bd5cab3d83adcc0f27", kill_on_drop: false }`
[INFO] [stdout] 5df9e27c21fccd494106ced70f62c735dbc2d48f46d255bd5cab3d83adcc0f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ffa67158d46fe6bed1a21c140a698b1fe3503adf261c8e37671de77a0dcd9881
[INFO] running `Command { std: "docker" "start" "-a" "ffa67158d46fe6bed1a21c140a698b1fe3503adf261c8e37671de77a0dcd9881", kill_on_drop: false }`
[INFO] [stderr] warning: struct `JSONRPC` is never constructed
[INFO] [stderr]   --> src/object.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct JSONRPC<S, P, R, D> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `librpc-json` (lib) generated 1 warning
[INFO] [stderr] warning: `librpc-json` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/librpc_json-70ae57679018bd1a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test object::tests::test_array_params ... ok
[INFO] [stdout] test object::tests::test_object_params ... ok
[INFO] [stdout] test object::tests::test_tuple_params ... ok
[INFO] [stdout] test object::tests::test_version_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests librpc_json
[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" "ffa67158d46fe6bed1a21c140a698b1fe3503adf261c8e37671de77a0dcd9881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa67158d46fe6bed1a21c140a698b1fe3503adf261c8e37671de77a0dcd9881", kill_on_drop: false }`
[INFO] [stdout] ffa67158d46fe6bed1a21c140a698b1fe3503adf261c8e37671de77a0dcd9881