[INFO] fetching crate polyfuse 0.4.0...
[INFO] testing polyfuse-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate polyfuse 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate polyfuse 0.4.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyfuse 0.4.0
[INFO] finished tweaking crates.io crate polyfuse 0.4.0
[INFO] tweaked toml for crates.io crate polyfuse 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polyfuse-kernel v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f43bb5ecdad4c2fa38ae6e5098c4fe72308b66ecb3e2b0726d846131af3bb09d
[INFO] running `Command { std: "docker" "start" "-a" "f43bb5ecdad4c2fa38ae6e5098c4fe72308b66ecb3e2b0726d846131af3bb09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f43bb5ecdad4c2fa38ae6e5098c4fe72308b66ecb3e2b0726d846131af3bb09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43bb5ecdad4c2fa38ae6e5098c4fe72308b66ecb3e2b0726d846131af3bb09d", kill_on_drop: false }`
[INFO] [stdout] f43bb5ecdad4c2fa38ae6e5098c4fe72308b66ecb3e2b0726d846131af3bb09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 637e72a5050bfb25d0a47f07fff141f6cb1fdc21b3cc4cf5583b88c085f3b247
[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" "637e72a5050bfb25d0a47f07fff141f6cb1fdc21b3cc4cf5583b88c085f3b247", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling zerocopy v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling polyfuse-kernel v0.1.0
[INFO] [stderr]    Compiling polyfuse v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.09s
[INFO] running `Command { std: "docker" "inspect" "637e72a5050bfb25d0a47f07fff141f6cb1fdc21b3cc4cf5583b88c085f3b247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637e72a5050bfb25d0a47f07fff141f6cb1fdc21b3cc4cf5583b88c085f3b247", kill_on_drop: false }`
[INFO] [stdout] 637e72a5050bfb25d0a47f07fff141f6cb1fdc21b3cc4cf5583b88c085f3b247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db9017742e9cf5f207c1c4d7a1f44a39af2aaa5b2710685983ff09c53e5015f
[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" "1db9017742e9cf5f207c1c4d7a1f44a39af2aaa5b2710685983ff09c53e5015f", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyfuse v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "1db9017742e9cf5f207c1c4d7a1f44a39af2aaa5b2710685983ff09c53e5015f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db9017742e9cf5f207c1c4d7a1f44a39af2aaa5b2710685983ff09c53e5015f", kill_on_drop: false }`
[INFO] [stdout] 1db9017742e9cf5f207c1c4d7a1f44a39af2aaa5b2710685983ff09c53e5015f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 4d2b80c01e70386c583af6f71b8a4d3ec9c567bdabb3a97a6c473ae25a4eb81a
[INFO] running `Command { std: "docker" "start" "-a" "4d2b80c01e70386c583af6f71b8a4d3ec9c567bdabb3a97a6c473ae25a4eb81a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polyfuse-b869c9154f47ef85
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test decoder::tests::missing_nul_terminator ... ok
[INFO] [stdout] test decoder::tests::unaligned ... ok
[INFO] [stdout] test decoder::tests::fetch_str ... ok
[INFO] [stdout] test session::tests::send_msg_chunked_data ... ok
[INFO] [stdout] test session::tests::send_msg_single_data ... ok
[INFO] [stdout] test session::tests::send_msg_empty ... ok
[INFO] [stdout] test decoder::tests::unaligned_array ... ok
[INFO] [stdout] test decoder::tests::unexpected_eof ... ok
[INFO] [stdout] test session::tests::init_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polyfuse
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d2b80c01e70386c583af6f71b8a4d3ec9c567bdabb3a97a6c473ae25a4eb81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2b80c01e70386c583af6f71b8a4d3ec9c567bdabb3a97a6c473ae25a4eb81a", kill_on_drop: false }`
[INFO] [stdout] 4d2b80c01e70386c583af6f71b8a4d3ec9c567bdabb3a97a6c473ae25a4eb81a