[INFO] fetching crate monotone-crescendo 1.0.4...
[INFO] testing monotone-crescendo-1.0.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate monotone-crescendo 1.0.4 into /workspace/builds/worker-0-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate monotone-crescendo 1.0.4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a72dc40aef26508a383b1fa5231841b14f5d6b94b9c425e8f01a3eea8f035db8
[INFO] running `Command { std: "docker" "start" "-a" "a72dc40aef26508a383b1fa5231841b14f5d6b94b9c425e8f01a3eea8f035db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a72dc40aef26508a383b1fa5231841b14f5d6b94b9c425e8f01a3eea8f035db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72dc40aef26508a383b1fa5231841b14f5d6b94b9c425e8f01a3eea8f035db8", kill_on_drop: false }`
[INFO] [stdout] a72dc40aef26508a383b1fa5231841b14f5d6b94b9c425e8f01a3eea8f035db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbcb58ebeb5c928cf0dcdbfebb068fb7325f1cf78ec7bc482d43503f780679ad
[INFO] running `Command { std: "docker" "start" "-a" "fbcb58ebeb5c928cf0dcdbfebb068fb7325f1cf78ec7bc482d43503f780679ad", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "fbcb58ebeb5c928cf0dcdbfebb068fb7325f1cf78ec7bc482d43503f780679ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbcb58ebeb5c928cf0dcdbfebb068fb7325f1cf78ec7bc482d43503f780679ad", kill_on_drop: false }`
[INFO] [stdout] fbcb58ebeb5c928cf0dcdbfebb068fb7325f1cf78ec7bc482d43503f780679ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72ff288999101a47634801883737fa4bfa12dc96f8b28524eecf4431e594ff72
[INFO] running `Command { std: "docker" "start" "-a" "72ff288999101a47634801883737fa4bfa12dc96f8b28524eecf4431e594ff72", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "72ff288999101a47634801883737fa4bfa12dc96f8b28524eecf4431e594ff72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ff288999101a47634801883737fa4bfa12dc96f8b28524eecf4431e594ff72", kill_on_drop: false }`
[INFO] [stdout] 72ff288999101a47634801883737fa4bfa12dc96f8b28524eecf4431e594ff72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b6f41c9469da24d1dd84c7741228ab892acfa963e0a0cd8bd25dfb7f57f87f6
[INFO] running `Command { std: "docker" "start" "-a" "4b6f41c9469da24d1dd84c7741228ab892acfa963e0a0cd8bd25dfb7f57f87f6", 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/monotone_crescendo-e06af0e1c70a0073)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_with_prefix_sums ... ok
[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-e06af0e1c70a0073` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "4b6f41c9469da24d1dd84c7741228ab892acfa963e0a0cd8bd25dfb7f57f87f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6f41c9469da24d1dd84c7741228ab892acfa963e0a0cd8bd25dfb7f57f87f6", kill_on_drop: false }`
[INFO] [stdout] 4b6f41c9469da24d1dd84c7741228ab892acfa963e0a0cd8bd25dfb7f57f87f6