[INFO] fetching crate mcrw 0.4.0...
[INFO] testing mcrw-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mcrw 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mcrw 0.4.0
[INFO] finished tweaking crates.io crate mcrw 0.4.0
[INFO] tweaked toml for crates.io crate mcrw 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcrw 0.4.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7f1c957c2593b14525d1088a78d987323c5c47ded7d697a3799daf16d8e9055d
[INFO] running `Command { std: "docker" "start" "-a" "7f1c957c2593b14525d1088a78d987323c5c47ded7d697a3799daf16d8e9055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f1c957c2593b14525d1088a78d987323c5c47ded7d697a3799daf16d8e9055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1c957c2593b14525d1088a78d987323c5c47ded7d697a3799daf16d8e9055d", kill_on_drop: false }`
[INFO] [stdout] 7f1c957c2593b14525d1088a78d987323c5c47ded7d697a3799daf16d8e9055d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b5ef9edbbe943fb421a7118f9117b2afba608da078b348fae85a518d66916b29
[INFO] running `Command { std: "docker" "start" "-a" "b5ef9edbbe943fb421a7118f9117b2afba608da078b348fae85a518d66916b29", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcrw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "b5ef9edbbe943fb421a7118f9117b2afba608da078b348fae85a518d66916b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ef9edbbe943fb421a7118f9117b2afba608da078b348fae85a518d66916b29", kill_on_drop: false }`
[INFO] [stdout] b5ef9edbbe943fb421a7118f9117b2afba608da078b348fae85a518d66916b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2d6945ea2107d4ccc86a8b85449741d6140d1fadb1f704c5738890d96a7ff87
[INFO] running `Command { std: "docker" "start" "-a" "a2d6945ea2107d4ccc86a8b85449741d6140d1fadb1f704c5738890d96a7ff87", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling quickcheck_macros v1.1.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling mcrw v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "a2d6945ea2107d4ccc86a8b85449741d6140d1fadb1f704c5738890d96a7ff87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d6945ea2107d4ccc86a8b85449741d6140d1fadb1f704c5738890d96a7ff87", kill_on_drop: false }`
[INFO] [stdout] a2d6945ea2107d4ccc86a8b85449741d6140d1fadb1f704c5738890d96a7ff87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2fb8e4372c28fd32586d07af241f4d33146f687f54154e6486960a156969fd91
[INFO] running `Command { std: "docker" "start" "-a" "2fb8e4372c28fd32586d07af241f4d33146f687f54154e6486960a156969fd91", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcrw-7c8dd516329b9466)
[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] [stderr]      Running tests/read_tests.rs (/opt/rustwide/target/debug/deps/read_tests-51965e9106925884)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test read_bool_false ... ok
[INFO] [stdout] test read_bool_invalid ... ok
[INFO] [stdout] test read_var_int0 ... ok
[INFO] [stdout] test read_var_int2 ... ok
[INFO] [stdout] test read_var_int3 ... ok
[INFO] [stdout] test read_var_int1 ... ok
[INFO] [stdout] test read_var_int4 ... ok
[INFO] [stdout] test read_var_int6 ... ok
[INFO] [stdout] test read_var_int5 ... ok
[INFO] [stdout] test read_var_int7 ... ok
[INFO] [stdout] test read_var_int8 ... ok
[INFO] [stdout] test read_var_long0 ... ok
[INFO] [stdout] test read_var_long1 ... ok
[INFO] [stdout] test read_var_long3 ... ok
[INFO] [stdout] test read_var_long2 ... ok
[INFO] [stdout] test read_var_long10 ... ok
[INFO] [stdout] test read_var_long5 ... ok
[INFO] [stdout] test read_var_long6 ... ok
[INFO] [stdout] test read_var_long9 ... ok
[INFO] [stdout] test read_var_long7 ... ok
[INFO] [stdout] test read_var_long4 ... ok
[INFO] [stdout] test read_bool_true ... ok
[INFO] [stdout] test read_var_long8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/roundtrip_tests.rs (/opt/rustwide/target/debug/deps/roundtrip_tests-72ad201d12f2fe56)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test write_position_negative ... ok
[INFO] [stdout] test write_position_min ... ok
[INFO] [stdout] test write_position_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/var_size_tests.rs (/opt/rustwide/target/debug/deps/var_size_tests-8236ed51154a4fc2)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test var_int_size1 ... ok
[INFO] [stdout] test var_int_size0 ... ok
[INFO] [stdout] test var_int_size2 ... ok
[INFO] [stdout] test var_int_size3 ... ok
[INFO] [stdout] test var_int_size6 ... ok
[INFO] [stdout] test var_int_size4 ... ok
[INFO] [stdout] test var_int_size5 ... ok
[INFO] [stdout] test var_int_size7 ... ok
[INFO] [stdout] test var_int_size8 ... ok
[INFO] [stdout] test var_long_size1 ... ok
[INFO] [stdout] test var_long_size0 ... ok
[INFO] [stdout] test var_long_size10 ... ok
[INFO] [stdout] test var_long_size2 ... ok
[INFO] [stdout] test var_long_size3 ... ok
[INFO] [stdout] test var_long_size4 ... ok
[INFO] [stdout] test var_long_size5 ... ok
[INFO] [stdout] test var_long_size6 ... ok
[INFO] [stdout] test var_long_size7 ... ok
[INFO] [stdout] test var_long_size8 ... ok
[INFO] [stdout] test var_long_size9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/write_tests.rs (/opt/rustwide/target/debug/deps/write_tests-cec458cd938e059d)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test write_bool_false ... ok
[INFO] [stdout] test write_bool_true ... ok
[INFO] [stdout] test write_var_int1 ... ok
[INFO] [stdout] test write_var_int0 ... ok
[INFO] [stdout] test write_var_int2 ... ok
[INFO] [stdout] test write_var_int4 ... ok
[INFO] [stdout] test write_var_int3 ... ok
[INFO] [stdout] test write_var_int8 ... ok
[INFO] [stdout] test write_var_int5 ... ok
[INFO] [stdout] test write_var_int6 ... ok
[INFO] [stdout] test write_var_long0 ... ok
[INFO] [stdout] test write_var_int7 ... ok
[INFO] [stdout] test write_var_long2 ... ok
[INFO] [stdout] test write_var_long3 ... ok
[INFO] [stdout] test write_var_long4 ... ok
[INFO] [stdout] test write_var_long5 ... ok
[INFO] [stdout] test write_var_long6 ... ok
[INFO] [stdout] test write_var_long7 ... ok
[INFO] [stdout] test write_var_long1 ... ok
[INFO] [stdout] test write_var_long9 ... ok
[INFO] [stdout] test write_var_long10 ... ok
[INFO] [stdout] test write_var_long8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcrw
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MCWriteExt (line 151) ... ok
[INFO] [stdout] test src/lib.rs - MCReadExt (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fb8e4372c28fd32586d07af241f4d33146f687f54154e6486960a156969fd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb8e4372c28fd32586d07af241f4d33146f687f54154e6486960a156969fd91", kill_on_drop: false }`
[INFO] [stdout] 2fb8e4372c28fd32586d07af241f4d33146f687f54154e6486960a156969fd91