[INFO] fetching crate synaptic-metrics 0.4.0...
[INFO] testing synaptic-metrics-0.4.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate synaptic-metrics 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate synaptic-metrics 0.4.0
[INFO] finished tweaking crates.io crate synaptic-metrics 0.4.0
[INFO] tweaked toml for crates.io crate synaptic-metrics 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synaptic-metrics 0.4.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synaptic-metrics 0.4.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2
[INFO] running `Command { std: "docker" "start" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling synaptic-core v0.4.0
[INFO] [stderr]    Compiling synaptic-callbacks v0.4.0
[INFO] [stderr]    Compiling synaptic-metrics v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.67s
[INFO] running `Command { std: "docker" "inspect" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling synaptic-callbacks v0.4.0
[INFO] [stderr]    Compiling synaptic-metrics v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/synaptic-metrics/508ff665b4117c63/out/synaptic_metrics-508ff665b4117c63)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::exporter_render ... ok
[INFO] [stdout] test tests::render_empty_snapshot ... ok
[INFO] [stdout] test tests::render_with_tool_metrics ... ok
[INFO] [stdout] test tests::serve_and_stop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synaptic_metrics
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2", kill_on_drop: false }`
[INFO] [stdout] e9345dc664fb3253693fd5315818b01a5d665aee713303ac261613897d9c2ba2
