[INFO] fetching crate spyglass-lens 0.1.7...
[INFO] testing spyglass-lens-0.1.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate spyglass-lens 0.1.7 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate spyglass-lens 0.1.7
[INFO] finished tweaking crates.io crate spyglass-lens 0.1.7
[INFO] tweaked toml for crates.io crate spyglass-lens 0.1.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spyglass-lens 0.1.7 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding ron v0.8.1 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 504924d522f04357d5fc3aa346e80ae92d791b2acd4f372eb285178bac5ce146
[INFO] running `Command { std: "docker" "start" "-a" "504924d522f04357d5fc3aa346e80ae92d791b2acd4f372eb285178bac5ce146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "504924d522f04357d5fc3aa346e80ae92d791b2acd4f372eb285178bac5ce146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504924d522f04357d5fc3aa346e80ae92d791b2acd4f372eb285178bac5ce146", kill_on_drop: false }`
[INFO] [stdout] 504924d522f04357d5fc3aa346e80ae92d791b2acd4f372eb285178bac5ce146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab8ea60882609962d91df5d4c7e554a2d1b2ef13440dca4eb20df4d76a79893b
[INFO] running `Command { std: "docker" "start" "-a" "ab8ea60882609962d91df5d4c7e554a2d1b2ef13440dca4eb20df4d76a79893b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling spyglass-lens v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "ab8ea60882609962d91df5d4c7e554a2d1b2ef13440dca4eb20df4d76a79893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8ea60882609962d91df5d4c7e554a2d1b2ef13440dca4eb20df4d76a79893b", kill_on_drop: false }`
[INFO] [stdout] ab8ea60882609962d91df5d4c7e554a2d1b2ef13440dca4eb20df4d76a79893b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84958bbe31ae836d850710000c59717a494d7443906e9717209f6ecfc93c31b
[INFO] running `Command { std: "docker" "start" "-a" "d84958bbe31ae836d850710000c59717a494d7443906e9717209f6ecfc93c31b", kill_on_drop: false }`
[INFO] [stderr]    Compiling spyglass-lens v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/../../../fixtures/lens/extra_fields.ron`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:161:24
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let lens_str = include_str!("../../../fixtures/lens/extra_fields.ron");
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spyglass-lens` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d84958bbe31ae836d850710000c59717a494d7443906e9717209f6ecfc93c31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84958bbe31ae836d850710000c59717a494d7443906e9717209f6ecfc93c31b", kill_on_drop: false }`
[INFO] [stdout] d84958bbe31ae836d850710000c59717a494d7443906e9717209f6ecfc93c31b