[INFO] fetching crate fscmp 0.2.16...
[INFO] testing fscmp-0.2.16 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fscmp 0.2.16 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fscmp 0.2.16 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fscmp 0.2.16
[INFO] finished tweaking crates.io crate fscmp 0.2.16
[INFO] tweaked toml for crates.io crate fscmp 0.2.16 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fscmp 0.2.16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8184b7da7d1c1a8fa066d146339796f2de253022495fe2540e4978aa0229746
[INFO] running `Command { std: "docker" "start" "-a" "d8184b7da7d1c1a8fa066d146339796f2de253022495fe2540e4978aa0229746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8184b7da7d1c1a8fa066d146339796f2de253022495fe2540e4978aa0229746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8184b7da7d1c1a8fa066d146339796f2de253022495fe2540e4978aa0229746", kill_on_drop: false }`
[INFO] [stdout] d8184b7da7d1c1a8fa066d146339796f2de253022495fe2540e4978aa0229746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf6be2f91a593b06e6162c8f1e6380b2dff872108de2e0a7a91fdfbd66397f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ebf6be2f91a593b06e6162c8f1e6380b2dff872108de2e0a7a91fdfbd66397f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling nix v0.16.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling openat v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling simplelog v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling fscmp v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.23s
[INFO] running `Command { std: "docker" "inspect" "ebf6be2f91a593b06e6162c8f1e6380b2dff872108de2e0a7a91fdfbd66397f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf6be2f91a593b06e6162c8f1e6380b2dff872108de2e0a7a91fdfbd66397f5", kill_on_drop: false }`
[INFO] [stdout] ebf6be2f91a593b06e6162c8f1e6380b2dff872108de2e0a7a91fdfbd66397f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d929a26208324a42a18c05e49fb84b77202d7cdb5b6f3090714ef95b0cef0b33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d929a26208324a42a18c05e49fb84b77202d7cdb5b6f3090714ef95b0cef0b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling fscmp v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.89s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fscmp-aaa911655e590ce0)
[INFO] running `Command { std: "docker" "inspect" "d929a26208324a42a18c05e49fb84b77202d7cdb5b6f3090714ef95b0cef0b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d929a26208324a42a18c05e49fb84b77202d7cdb5b6f3090714ef95b0cef0b33", kill_on_drop: false }`
[INFO] [stdout] d929a26208324a42a18c05e49fb84b77202d7cdb5b6f3090714ef95b0cef0b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7a67f86773304c0aec1aefbe720468a6c607cb4af4bc31e66a0828f4805da43
[INFO] running `Command { std: "docker" "start" "-a" "b7a67f86773304c0aec1aefbe720468a6c607cb4af4bc31e66a0828f4805da43", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fscmp-aaa911655e590ce0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cmp::test::test_calc_chunk_count ... ok
[INFO] [stdout] test cmp::test::test_root_mode ... ok
[INFO] [stdout] test cmp::test::test_calc_leap ... ok
[INFO] [stdout] test cmp::test::test_simple ... ok
[INFO] [stderr] 
[INFO] [stderr] thread '<unknown>' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: test failed, to rerun pass '--bin fscmp'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fscmp-aaa911655e590ce0` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "b7a67f86773304c0aec1aefbe720468a6c607cb4af4bc31e66a0828f4805da43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a67f86773304c0aec1aefbe720468a6c607cb4af4bc31e66a0828f4805da43", kill_on_drop: false }`
[INFO] [stdout] b7a67f86773304c0aec1aefbe720468a6c607cb4af4bc31e66a0828f4805da43