[INFO] fetching crate memx-cdy 0.1.4...
[INFO] testing memx-cdy-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate memx-cdy 0.1.4 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate memx-cdy 0.1.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memx-cdy 0.1.4
[INFO] finished tweaking crates.io crate memx-cdy 0.1.4
[INFO] tweaked toml for crates.io crate memx-cdy 0.1.4 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memx v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b47abc896b9131bfd7515d65d9da709ef8cd5192e97398533d7f2017ca4f66
[INFO] running `Command { std: "docker" "start" "-a" "46b47abc896b9131bfd7515d65d9da709ef8cd5192e97398533d7f2017ca4f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b47abc896b9131bfd7515d65d9da709ef8cd5192e97398533d7f2017ca4f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b47abc896b9131bfd7515d65d9da709ef8cd5192e97398533d7f2017ca4f66", kill_on_drop: false }`
[INFO] [stdout] 46b47abc896b9131bfd7515d65d9da709ef8cd5192e97398533d7f2017ca4f66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230a8168df9117681c878637ef4c7989e9d926d6e5880c2845ef7cb9b06e28b1
[INFO] running `Command { std: "docker" "start" "-a" "230a8168df9117681c878637ef4c7989e9d926d6e5880c2845ef7cb9b06e28b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling memx v0.1.17
[INFO] [stderr]    Compiling memx-cdy v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "230a8168df9117681c878637ef4c7989e9d926d6e5880c2845ef7cb9b06e28b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230a8168df9117681c878637ef4c7989e9d926d6e5880c2845ef7cb9b06e28b1", kill_on_drop: false }`
[INFO] [stdout] 230a8168df9117681c878637ef4c7989e9d926d6e5880c2845ef7cb9b06e28b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b46ce42519976c927d1550976ec8cd18a3b5f3c2542f3d3418e17cc5b837728e
[INFO] running `Command { std: "docker" "start" "-a" "b46ce42519976c927d1550976ec8cd18a3b5f3c2542f3d3418e17cc5b837728e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memx-cdy v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "b46ce42519976c927d1550976ec8cd18a3b5f3c2542f3d3418e17cc5b837728e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46ce42519976c927d1550976ec8cd18a3b5f3c2542f3d3418e17cc5b837728e", kill_on_drop: false }`
[INFO] [stdout] b46ce42519976c927d1550976ec8cd18a3b5f3c2542f3d3418e17cc5b837728e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 044265e9bf38eab95d631f8fe41c3eb04dc98b69849877c8750094ca8cef93d6
[INFO] running `Command { std: "docker" "start" "-a" "044265e9bf38eab95d631f8fe41c3eb04dc98b69849877c8750094ca8cef93d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memx_cdy-ea6b5b187e7b5db8)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[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/memx_cdy-ea6b5b187e7b5db8` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "044265e9bf38eab95d631f8fe41c3eb04dc98b69849877c8750094ca8cef93d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044265e9bf38eab95d631f8fe41c3eb04dc98b69849877c8750094ca8cef93d6", kill_on_drop: false }`
[INFO] [stdout] 044265e9bf38eab95d631f8fe41c3eb04dc98b69849877c8750094ca8cef93d6