[INFO] fetching crate monotone-crescendo 1.0.4...
[INFO] testing monotone-crescendo-1.0.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate monotone-crescendo 1.0.4 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate monotone-crescendo 1.0.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3928318cf5ab5c60496da6598d3f287ca26cfd6e5f5c84711bfff36b34935945
[INFO] running `Command { std: "docker" "start" "-a" "3928318cf5ab5c60496da6598d3f287ca26cfd6e5f5c84711bfff36b34935945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3928318cf5ab5c60496da6598d3f287ca26cfd6e5f5c84711bfff36b34935945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3928318cf5ab5c60496da6598d3f287ca26cfd6e5f5c84711bfff36b34935945", kill_on_drop: false }`
[INFO] [stdout] 3928318cf5ab5c60496da6598d3f287ca26cfd6e5f5c84711bfff36b34935945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa4b4cdcab5c260d44154c36b77108bd3a801778802829e0cdc86f34532b8e35
[INFO] running `Command { std: "docker" "start" "-a" "fa4b4cdcab5c260d44154c36b77108bd3a801778802829e0cdc86f34532b8e35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monotone-crescendo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "fa4b4cdcab5c260d44154c36b77108bd3a801778802829e0cdc86f34532b8e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4b4cdcab5c260d44154c36b77108bd3a801778802829e0cdc86f34532b8e35", kill_on_drop: false }`
[INFO] [stdout] fa4b4cdcab5c260d44154c36b77108bd3a801778802829e0cdc86f34532b8e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cadb7d1d55572968c70de8c92ef51930997b677f88db6ce8c5a3d09852a4d496
[INFO] running `Command { std: "docker" "start" "-a" "cadb7d1d55572968c70de8c92ef51930997b677f88db6ce8c5a3d09852a4d496", kill_on_drop: false }`
[INFO] [stderr]    Compiling monotone-crescendo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "cadb7d1d55572968c70de8c92ef51930997b677f88db6ce8c5a3d09852a4d496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadb7d1d55572968c70de8c92ef51930997b677f88db6ce8c5a3d09852a4d496", kill_on_drop: false }`
[INFO] [stdout] cadb7d1d55572968c70de8c92ef51930997b677f88db6ce8c5a3d09852a4d496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e084f5d449c7009fdaccee1ab127263355780ec37310a653573d7d0d2467b9a
[INFO] running `Command { std: "docker" "start" "-a" "8e084f5d449c7009fdaccee1ab127263355780ec37310a653573d7d0d2467b9a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monotone_crescendo-e816314c3dd3231b)
[INFO] [stdout] running 4 tests
[INFO] [stderr] free(): invalid size
[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-e816314c3dd3231b` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8e084f5d449c7009fdaccee1ab127263355780ec37310a653573d7d0d2467b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e084f5d449c7009fdaccee1ab127263355780ec37310a653573d7d0d2467b9a", kill_on_drop: false }`
[INFO] [stdout] 8e084f5d449c7009fdaccee1ab127263355780ec37310a653573d7d0d2467b9a