[INFO] fetching crate scroll 0.13.0...
[INFO] testing scroll-0.13.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate scroll 0.13.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate scroll 0.13.0
[INFO] finished tweaking crates.io crate scroll 0.13.0
[INFO] tweaked toml for crates.io crate scroll 0.13.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scroll 0.13.0 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 scroll 0.13.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 287a57dec0709ce74265df94e94868589b507da9d9b952f05354aa2d1ad15f37
[INFO] running `Command { std: "docker" "start" "-a" "287a57dec0709ce74265df94e94868589b507da9d9b952f05354aa2d1ad15f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "287a57dec0709ce74265df94e94868589b507da9d9b952f05354aa2d1ad15f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287a57dec0709ce74265df94e94868589b507da9d9b952f05354aa2d1ad15f37", kill_on_drop: false }`
[INFO] [stdout] 287a57dec0709ce74265df94e94868589b507da9d9b952f05354aa2d1ad15f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 131b8fe2238f6703ab15e10d2eaa58ce489b67520ea70fbc0fb6273f342f5b33
[INFO] running `Command { std: "docker" "start" "-a" "131b8fe2238f6703ab15e10d2eaa58ce489b67520ea70fbc0fb6273f342f5b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "131b8fe2238f6703ab15e10d2eaa58ce489b67520ea70fbc0fb6273f342f5b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131b8fe2238f6703ab15e10d2eaa58ce489b67520ea70fbc0fb6273f342f5b33", kill_on_drop: false }`
[INFO] [stdout] 131b8fe2238f6703ab15e10d2eaa58ce489b67520ea70fbc0fb6273f342f5b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d2258efe657dc72712acb6561cea7382b4a2dc91953d9851a385195ff58e1742
[INFO] running `Command { std: "docker" "start" "-a" "d2258efe657dc72712acb6561cea7382b4a2dc91953d9851a385195ff58e1742", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ExternalError` is never constructed
[INFO] [stdout]    --> src/lib.rs:433:16
[INFO] [stdout]     |
[INFO] [stdout] 433 |     pub struct ExternalError {}
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/lib.rs:461:16
[INFO] [stdout]     |
[INFO] [stdout] 461 |     pub struct Foo(u16);
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "d2258efe657dc72712acb6561cea7382b4a2dc91953d9851a385195ff58e1742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2258efe657dc72712acb6561cea7382b4a2dc91953d9851a385195ff58e1742", kill_on_drop: false }`
[INFO] [stdout] d2258efe657dc72712acb6561cea7382b4a2dc91953d9851a385195ff58e1742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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", kill_on_drop: false }`
[INFO] [stdout] e7e960a53f5eb7938b033c03ba327c5b87ee8d75bb7dc7a294a832cd38569dc8
[INFO] running `Command { std: "docker" "start" "-a" "e7e960a53f5eb7938b033c03ba327c5b87ee8d75bb7dc7a294a832cd38569dc8", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ExternalError` is never constructed
[INFO] [stderr]    --> src/lib.rs:433:16
[INFO] [stderr]     |
[INFO] [stderr] 433 |     pub struct ExternalError {}
[INFO] [stderr]     |                ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]    --> src/lib.rs:461:16
[INFO] [stderr]     |
[INFO] [stderr] 461 |     pub struct Foo(u16);
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scroll` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scroll-5fd41496d8444d99)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test leb128::tests::sleb128 ... ok
[INFO] [stdout] test leb128::tests::uleb128 ... ok
[INFO] [stdout] test ctx::tests::parse_a_cstr ... ok
[INFO] [stdout] test leb128::tests::uleb_size ... ok
[INFO] [stdout] test tests::gread_f32 ... ok
[INFO] [stdout] test leb128::tests::uleb128_overflow ... ok
[INFO] [stdout] test ctx::tests::round_trip_a_c_str ... ok
[INFO] [stdout] test tests::gread_f64 ... ok
[INFO] [stdout] test tests::gread_gwrite_f32_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_f64_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_f64_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_f64_3 ... ok
[INFO] [stdout] test tests::gread_gwrite_i32_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_i32_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_i32_3 ... ok
[INFO] [stdout] test tests::gread_gwrite_f32_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_i64_1 ... ok
[INFO] [stdout] test tests::gread_gwrite_i64_2 ... ok
[INFO] [stdout] test tests::gread_gwrite_i64_3 ... ok
[INFO] [stdout] test tests::gread_inout ... ok
[INFO] [stdout] test tests::gread_slice ... ok
[INFO] [stdout] test tests::gread_with_byte ... ok
[INFO] [stdout] test tests::gread_with_iter_bytes ... ok
[INFO] [stdout] test tests::pread ... ok
[INFO] [stdout] test tests::pread_slice ... ok
[INFO] [stdout] test tests::pread_str ... ok
[INFO] [stdout] test tests::pread_str_weird ... ok
[INFO] [stdout] test tests::pread_with_be ... ok
[INFO] [stdout] test tests::pread_with_iter_bytes ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_i16 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_i32 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_i64 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_u32 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_u64 ... ok
[INFO] [stdout] test tests::pwrite_str_and_bytes ... ok
[INFO] [stdout] test tests::simple_gread_i64 ... ok
[INFO] [stdout] test tests::pwrite_and_pread_roundtrip_u16 ... ok
[INFO] [stdout] test tests::simple_gread_u16 ... ok
[INFO] [stdout] test tests::gread_gwrite_f32_3 ... ok
[INFO] [stdout] test tests::simple_gread_u32 ... ok
[INFO] [stdout] test tests::simple_gread_u64 ... ok
[INFO] [stdout] test tests::test_measurable ... ok
[INFO] [stdout] test tests::test_measure_with_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scroll
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/ctx.rs - ctx::TryFromCtx (line 262) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cread (line 12) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cread::cread (line 69) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOread (line 18) ... ok
[INFO] [stdout] test src/ctx.rs - ctx (line 51) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cread::cread_with (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 149) ... ok
[INFO] [stdout] test src/lib.rs - (line 121) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cwrite::cwrite (line 131) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOread::ioread_with (line 90) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::TryIntoCtx (line 347) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cwrite::cwrite_with (line 151) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOwrite::iowrite (line 128) ... ok
[INFO] [stdout] test src/greater.rs - greater::Cwrite (line 104) ... ok
[INFO] [stdout] test src/ctx.rs - ctx::TryFromCtx (line 287) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread_inout (line 121) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOread::ioread (line 63) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::pread (line 53) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::pread_with (line 70) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread_inout_with (line 146) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread_with (line 106) ... ok
[INFO] [stdout] test src/pwrite.rs - pwrite::Pwrite::pwrite_with (line 48) ... ok
[INFO] [stdout] test src/lesser.rs - lesser::IOwrite::iowrite_with (line 156) ... ok
[INFO] [stdout] test src/pread.rs - pread::Pread::gread (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 172) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.61s; merged doctests compilation took 0.57s
[INFO] running `Command { std: "docker" "inspect" "e7e960a53f5eb7938b033c03ba327c5b87ee8d75bb7dc7a294a832cd38569dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e960a53f5eb7938b033c03ba327c5b87ee8d75bb7dc7a294a832cd38569dc8", kill_on_drop: false }`
[INFO] [stdout] e7e960a53f5eb7938b033c03ba327c5b87ee8d75bb7dc7a294a832cd38569dc8
