[INFO] fetching crate quickmatch 0.4.0...
[INFO] testing quickmatch-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate quickmatch 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate quickmatch 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate quickmatch 0.4.0
[INFO] tweaked toml for crates.io crate quickmatch 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quickmatch 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quickmatch 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" "+beta-2026-04-21" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7169c473cbcd1aabe27a90b4171e5126000a70465b556eb2498a5c1c5a11ea92
[INFO] running `Command { std: "docker" "start" "-a" "7169c473cbcd1aabe27a90b4171e5126000a70465b556eb2498a5c1c5a11ea92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7169c473cbcd1aabe27a90b4171e5126000a70465b556eb2498a5c1c5a11ea92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7169c473cbcd1aabe27a90b4171e5126000a70465b556eb2498a5c1c5a11ea92", kill_on_drop: false }`
[INFO] [stdout] 7169c473cbcd1aabe27a90b4171e5126000a70465b556eb2498a5c1c5a11ea92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171f912acd79d638e37a2702f5fbcbff112c8afddffe2bc84cccf1935ebf1466
[INFO] running `Command { std: "docker" "start" "-a" "171f912acd79d638e37a2702f5fbcbff112c8afddffe2bc84cccf1935ebf1466", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickmatch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "171f912acd79d638e37a2702f5fbcbff112c8afddffe2bc84cccf1935ebf1466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171f912acd79d638e37a2702f5fbcbff112c8afddffe2bc84cccf1935ebf1466", kill_on_drop: false }`
[INFO] [stdout] 171f912acd79d638e37a2702f5fbcbff112c8afddffe2bc84cccf1935ebf1466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f82c881a5844b4fe51949fa1e9c71cc4cffcdd9d5f9978f8228bcd3bcae526aa
[INFO] running `Command { std: "docker" "start" "-a" "f82c881a5844b4fe51949fa1e9c71cc4cffcdd9d5f9978f8228bcd3bcae526aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickmatch v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `examples/../metrics.txt`: No such file or directory (os error 2)
[INFO] [stdout]  --> examples/compare.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let content = include_str!("../metrics.txt");
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quickmatch` (example "compare") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f82c881a5844b4fe51949fa1e9c71cc4cffcdd9d5f9978f8228bcd3bcae526aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82c881a5844b4fe51949fa1e9c71cc4cffcdd9d5f9978f8228bcd3bcae526aa", kill_on_drop: false }`
[INFO] [stdout] f82c881a5844b4fe51949fa1e9c71cc4cffcdd9d5f9978f8228bcd3bcae526aa
