[INFO] fetching crate mst 0.0.0...
[INFO] testing mst-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mst 0.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mst 0.0.0
[INFO] finished tweaking crates.io crate mst 0.0.0
[INFO] tweaked toml for crates.io crate mst 0.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mst 0.0.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 68d0741dae3ebfa11660c81a1073fba6b3aa3097944bdcd1a8922a53613e05fa
[INFO] running `Command { std: "docker" "start" "-a" "68d0741dae3ebfa11660c81a1073fba6b3aa3097944bdcd1a8922a53613e05fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68d0741dae3ebfa11660c81a1073fba6b3aa3097944bdcd1a8922a53613e05fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d0741dae3ebfa11660c81a1073fba6b3aa3097944bdcd1a8922a53613e05fa", kill_on_drop: false }`
[INFO] [stdout] 68d0741dae3ebfa11660c81a1073fba6b3aa3097944bdcd1a8922a53613e05fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 090dbf94960d507335c9fe8925b892ac38a1706c70bf6eaf5bdfc10197ed5a0a
[INFO] running `Command { std: "docker" "start" "-a" "090dbf94960d507335c9fe8925b892ac38a1706c70bf6eaf5bdfc10197ed5a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mst v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "090dbf94960d507335c9fe8925b892ac38a1706c70bf6eaf5bdfc10197ed5a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090dbf94960d507335c9fe8925b892ac38a1706c70bf6eaf5bdfc10197ed5a0a", kill_on_drop: false }`
[INFO] [stdout] 090dbf94960d507335c9fe8925b892ac38a1706c70bf6eaf5bdfc10197ed5a0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e6d75d145c5ed78ed9ee2dc635690a4a5488009952b0a4a9bd62923689ed07fd
[INFO] running `Command { std: "docker" "start" "-a" "e6d75d145c5ed78ed9ee2dc635690a4a5488009952b0a4a9bd62923689ed07fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mst v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "e6d75d145c5ed78ed9ee2dc635690a4a5488009952b0a4a9bd62923689ed07fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d75d145c5ed78ed9ee2dc635690a4a5488009952b0a4a9bd62923689ed07fd", kill_on_drop: false }`
[INFO] [stdout] e6d75d145c5ed78ed9ee2dc635690a4a5488009952b0a4a9bd62923689ed07fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0bf2deac2262803f19cc00a7581d05546f145bafce2cc4eec1d98706d52f0d6d
[INFO] running `Command { std: "docker" "start" "-a" "0bf2deac2262803f19cc00a7581d05546f145bafce2cc4eec1d98706d52f0d6d", 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/mst-217cf397ea1cfdf1)
[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]    Doc-tests mst
[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" "0bf2deac2262803f19cc00a7581d05546f145bafce2cc4eec1d98706d52f0d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf2deac2262803f19cc00a7581d05546f145bafce2cc4eec1d98706d52f0d6d", kill_on_drop: false }`
[INFO] [stdout] 0bf2deac2262803f19cc00a7581d05546f145bafce2cc4eec1d98706d52f0d6d