[INFO] fetching crate scursor 0.2.0...
[INFO] testing scursor-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate scursor 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate scursor 0.2.0
[INFO] finished tweaking crates.io crate scursor 0.2.0
[INFO] tweaked toml for crates.io crate scursor 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scursor 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8300067bd1db9c5677d807d87dfa3759528e5a5093961c02e7782cfa9acc4957
[INFO] running `Command { std: "docker" "start" "-a" "8300067bd1db9c5677d807d87dfa3759528e5a5093961c02e7782cfa9acc4957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8300067bd1db9c5677d807d87dfa3759528e5a5093961c02e7782cfa9acc4957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8300067bd1db9c5677d807d87dfa3759528e5a5093961c02e7782cfa9acc4957", kill_on_drop: false }`
[INFO] [stdout] 8300067bd1db9c5677d807d87dfa3759528e5a5093961c02e7782cfa9acc4957
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 762c97864c9e4e6273e8e3ba5b79a0f87b6e916cdd64b7de9103f8ed2c130950
[INFO] running `Command { std: "docker" "start" "-a" "762c97864c9e4e6273e8e3ba5b79a0f87b6e916cdd64b7de9103f8ed2c130950", kill_on_drop: false }`
[INFO] [stderr]    Compiling scursor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "762c97864c9e4e6273e8e3ba5b79a0f87b6e916cdd64b7de9103f8ed2c130950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762c97864c9e4e6273e8e3ba5b79a0f87b6e916cdd64b7de9103f8ed2c130950", kill_on_drop: false }`
[INFO] [stdout] 762c97864c9e4e6273e8e3ba5b79a0f87b6e916cdd64b7de9103f8ed2c130950
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7801b66ac5b4735eeca926e273a6174517d3b74e6a58821985d214f821af033
[INFO] running `Command { std: "docker" "start" "-a" "a7801b66ac5b4735eeca926e273a6174517d3b74e6a58821985d214f821af033", kill_on_drop: false }`
[INFO] [stderr]    Compiling scursor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "a7801b66ac5b4735eeca926e273a6174517d3b74e6a58821985d214f821af033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7801b66ac5b4735eeca926e273a6174517d3b74e6a58821985d214f821af033", kill_on_drop: false }`
[INFO] [stdout] a7801b66ac5b4735eeca926e273a6174517d3b74e6a58821985d214f821af033
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a61913e0065cf61dff6ee962ad58b0deb88a52b1065f15e06ee41f5e961c7a80
[INFO] running `Command { std: "docker" "start" "-a" "a61913e0065cf61dff6ee962ad58b0deb88a52b1065f15e06ee41f5e961c7a80", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scursor-c895fe00455167c3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test read::tests::can_read_f64_le_nan ... ok
[INFO] [stdout] test read::tests::can_read_f64_le ... ok
[INFO] [stdout] test read::tests::can_read_u16_be ... ok
[INFO] [stdout] test read::tests::can_read_u16_le ... ok
[INFO] [stdout] test read::tests::can_read_u48_le ... ok
[INFO] [stdout] test read::tests::can_read_u64_be ... ok
[INFO] [stdout] test read::tests::can_read_u64_le ... ok
[INFO] [stdout] test read::tests::can_read_u32_lb ... ok
[INFO] [stdout] test write::test::from_pos_seeks_back_to_original_position_on_success ... ok
[INFO] [stdout] test write::test::transaction_rolls_back_position_on_failure ... ok
[INFO] [stdout] test read::tests::can_read_u8 ... ok
[INFO] [stdout] test write::test::write_at_seeks_back_to_original_position_on_failure ... ok
[INFO] [stdout] test read::tests::can_read_u32_le ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scursor
[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" "a61913e0065cf61dff6ee962ad58b0deb88a52b1065f15e06ee41f5e961c7a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61913e0065cf61dff6ee962ad58b0deb88a52b1065f15e06ee41f5e961c7a80", kill_on_drop: false }`
[INFO] [stdout] a61913e0065cf61dff6ee962ad58b0deb88a52b1065f15e06ee41f5e961c7a80