[INFO] fetching crate monotone-crescendo 1.0.4...
[INFO] testing monotone-crescendo-1.0.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate monotone-crescendo 1.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate monotone-crescendo 1.0.4
[INFO] finished tweaking crates.io crate monotone-crescendo 1.0.4
[INFO] tweaked toml for crates.io crate monotone-crescendo 1.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monotone-crescendo 1.0.4 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a339f54f692e993dae423f2d981343f1dfeb62ec2fb88201d2a52c75402af5fd
[INFO] running `Command { std: "docker" "start" "-a" "a339f54f692e993dae423f2d981343f1dfeb62ec2fb88201d2a52c75402af5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a339f54f692e993dae423f2d981343f1dfeb62ec2fb88201d2a52c75402af5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a339f54f692e993dae423f2d981343f1dfeb62ec2fb88201d2a52c75402af5fd", kill_on_drop: false }`
[INFO] [stdout] a339f54f692e993dae423f2d981343f1dfeb62ec2fb88201d2a52c75402af5fd
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11bea862888ab365e01ff8cfab401c12ae1eaaa8469aae8e305928ace337731f
[INFO] running `Command { std: "docker" "start" "-a" "11bea862888ab365e01ff8cfab401c12ae1eaaa8469aae8e305928ace337731f", kill_on_drop: false }`
[INFO] [stderr]    Compiling monotone-crescendo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "11bea862888ab365e01ff8cfab401c12ae1eaaa8469aae8e305928ace337731f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bea862888ab365e01ff8cfab401c12ae1eaaa8469aae8e305928ace337731f", kill_on_drop: false }`
[INFO] [stdout] 11bea862888ab365e01ff8cfab401c12ae1eaaa8469aae8e305928ace337731f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b33661d7c0b2d928478ebe10346be924250d09f50d3b852fa329044e604b6466
[INFO] running `Command { std: "docker" "start" "-a" "b33661d7c0b2d928478ebe10346be924250d09f50d3b852fa329044e604b6466", kill_on_drop: false }`
[INFO] [stderr]    Compiling monotone-crescendo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "b33661d7c0b2d928478ebe10346be924250d09f50d3b852fa329044e604b6466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33661d7c0b2d928478ebe10346be924250d09f50d3b852fa329044e604b6466", kill_on_drop: false }`
[INFO] [stdout] b33661d7c0b2d928478ebe10346be924250d09f50d3b852fa329044e604b6466
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c34098a24925d69864537b5871e458e5ac46602eea197c9cdab2c39af44497c2
[INFO] running `Command { std: "docker" "start" "-a" "c34098a24925d69864537b5871e458e5ac46602eea197c9cdab2c39af44497c2", 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/monotone_crescendo-a79802e3f189fdc0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] free(): invalid next size (fast)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/monotone_crescendo-a79802e3f189fdc0` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "c34098a24925d69864537b5871e458e5ac46602eea197c9cdab2c39af44497c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34098a24925d69864537b5871e458e5ac46602eea197c9cdab2c39af44497c2", kill_on_drop: false }`
[INFO] [stdout] c34098a24925d69864537b5871e458e5ac46602eea197c9cdab2c39af44497c2