[INFO] fetching crate wasmtime-fiber 0.35.3...
[INFO] testing wasmtime-fiber-0.35.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate wasmtime-fiber 0.35.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wasmtime-fiber 0.35.3 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 wasmtime-fiber 0.35.3
[INFO] finished tweaking crates.io crate wasmtime-fiber 0.35.3
[INFO] tweaked toml for crates.io crate wasmtime-fiber 0.35.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] db7c6db6046400ac845d810b0435526aa22639760fa638a8f5094eae5aae3a01
[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" "db7c6db6046400ac845d810b0435526aa22639760fa638a8f5094eae5aae3a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db7c6db6046400ac845d810b0435526aa22639760fa638a8f5094eae5aae3a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7c6db6046400ac845d810b0435526aa22639760fa638a8f5094eae5aae3a01", kill_on_drop: false }`
[INFO] [stdout] db7c6db6046400ac845d810b0435526aa22639760fa638a8f5094eae5aae3a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 419d9faac3afe852d59c24a01ebdc559e428a3ca54c32c9b145a1a5bb5accae1
[INFO] running `Command { std: "docker" "start" "-a" "419d9faac3afe852d59c24a01ebdc559e428a3ca54c32c9b145a1a5bb5accae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmtime-fiber v0.35.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "419d9faac3afe852d59c24a01ebdc559e428a3ca54c32c9b145a1a5bb5accae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419d9faac3afe852d59c24a01ebdc559e428a3ca54c32c9b145a1a5bb5accae1", kill_on_drop: false }`
[INFO] [stdout] 419d9faac3afe852d59c24a01ebdc559e428a3ca54c32c9b145a1a5bb5accae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a51f3d9e7e9f3b7e9cf06876d8b0c97fa9cc00a614ba473c270a4aa6316aca9c
[INFO] running `Command { std: "docker" "start" "-a" "a51f3d9e7e9f3b7e9cf06876d8b0c97fa9cc00a614ba473c270a4aa6316aca9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmtime-fiber v0.35.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasmtime_fiber-495be8b799955138)
[INFO] running `Command { std: "docker" "inspect" "a51f3d9e7e9f3b7e9cf06876d8b0c97fa9cc00a614ba473c270a4aa6316aca9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51f3d9e7e9f3b7e9cf06876d8b0c97fa9cc00a614ba473c270a4aa6316aca9c", kill_on_drop: false }`
[INFO] [stdout] a51f3d9e7e9f3b7e9cf06876d8b0c97fa9cc00a614ba473c270a4aa6316aca9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] df819adffd5316312cb2639f44f4a27507e3ff1302303a52389e54f2e436aa4e
[INFO] running `Command { std: "docker" "start" "-a" "df819adffd5316312cb2639f44f4a27507e3ff1302303a52389e54f2e436aa4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasmtime_fiber-495be8b799955138)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::small_stacks ... ok
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] test tests::suspend_and_resume ... ok
[INFO] [stdout] test tests::suspend_and_resume_values ... ok
[INFO] [stdout] test tests::panics_propagated ... ok
[INFO] [stdout] test tests::backtrace_traces_to_host ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmtime-fiber
[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" "df819adffd5316312cb2639f44f4a27507e3ff1302303a52389e54f2e436aa4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df819adffd5316312cb2639f44f4a27507e3ff1302303a52389e54f2e436aa4e", kill_on_drop: false }`
[INFO] [stdout] df819adffd5316312cb2639f44f4a27507e3ff1302303a52389e54f2e436aa4e