[INFO] fetching crate markable_reader 2.1.1...
[INFO] testing markable_reader-2.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate markable_reader 2.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate markable_reader 2.1.1
[INFO] finished tweaking crates.io crate markable_reader 2.1.1
[INFO] tweaked toml for crates.io crate markable_reader 2.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markable_reader 2.1.1 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] 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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 656d824e3ca4c31a2d3f7b720a3b461d33fa893899217f6d689951d630708cec
[INFO] running `Command { std: "docker" "start" "-a" "656d824e3ca4c31a2d3f7b720a3b461d33fa893899217f6d689951d630708cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656d824e3ca4c31a2d3f7b720a3b461d33fa893899217f6d689951d630708cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656d824e3ca4c31a2d3f7b720a3b461d33fa893899217f6d689951d630708cec", kill_on_drop: false }`
[INFO] [stdout] 656d824e3ca4c31a2d3f7b720a3b461d33fa893899217f6d689951d630708cec
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8446d42788686448e4a8468b04591b1a9d17ac0cfbf638fec1a87ee57168f4ed
[INFO] running `Command { std: "docker" "start" "-a" "8446d42788686448e4a8468b04591b1a9d17ac0cfbf638fec1a87ee57168f4ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling markable_reader v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8446d42788686448e4a8468b04591b1a9d17ac0cfbf638fec1a87ee57168f4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8446d42788686448e4a8468b04591b1a9d17ac0cfbf638fec1a87ee57168f4ed", kill_on_drop: false }`
[INFO] [stdout] 8446d42788686448e4a8468b04591b1a9d17ac0cfbf638fec1a87ee57168f4ed
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2059d89ede7a556f6bbd3e3220789b1645c7c4e9f587764dc76d6b8b6bb55f
[INFO] running `Command { std: "docker" "start" "-a" "df2059d89ede7a556f6bbd3e3220789b1645c7c4e9f587764dc76d6b8b6bb55f", kill_on_drop: false }`
[INFO] [stderr]    Compiling markable_reader v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "df2059d89ede7a556f6bbd3e3220789b1645c7c4e9f587764dc76d6b8b6bb55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2059d89ede7a556f6bbd3e3220789b1645c7c4e9f587764dc76d6b8b6bb55f", kill_on_drop: false }`
[INFO] [stdout] df2059d89ede7a556f6bbd3e3220789b1645c7c4e9f587764dc76d6b8b6bb55f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b70649833c76704419adae5546ecc40beae2e6c133d07a93d41b8dae610c5eaf
[INFO] running `Command { std: "docker" "start" "-a" "b70649833c76704419adae5546ecc40beae2e6c133d07a93d41b8dae610c5eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markable_reader-1c2904e4cee8c18a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markable_reader
[INFO] [stdout] running 14 tests
[INFO] [stdout] test io::buffer::tests::test_exceeding_limit ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_attempt_to_overread ... ok
[INFO] [stdout] test io::buffer::tests::test_reusing_space ... ok
[INFO] [stdout] test io::buffer::tests::test_simple_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_back_buffer_and_read_buffer_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_marked_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_basic_read ... ok
[INFO] [stdout] test io::buffered_markable_reader::tests::test_read_with_popping_bytes ... ok
[INFO] [stdout] test io::markable_reader::tests::test_back_buffer_and_read_buffer_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_marked_read ... ok
[INFO] [stdout] test io::markable_reader::tests::test_read_with_popping_bytes ... ok
[INFO] [stdout] test io::markable_reader::tests::test_basic_read ... ok
[INFO] [stdout] test io::buffer::tests::test_dynamic_growing ... ok
[INFO] [stdout] test io::buffer::tests::test_use_after_clear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "b70649833c76704419adae5546ecc40beae2e6c133d07a93d41b8dae610c5eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70649833c76704419adae5546ecc40beae2e6c133d07a93d41b8dae610c5eaf", kill_on_drop: false }`
[INFO] [stdout] b70649833c76704419adae5546ecc40beae2e6c133d07a93d41b8dae610c5eaf