[INFO] fetching crate wasmtime-fiber 0.28.0...
[INFO] testing wasmtime-fiber-0.28.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate wasmtime-fiber 0.28.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wasmtime-fiber 0.28.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-fiber 0.28.0
[INFO] finished tweaking crates.io crate wasmtime-fiber 0.28.0
[INFO] tweaked toml for crates.io crate wasmtime-fiber 0.28.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37bb2fbc9276dbf9f25c22f5c62033a918c46af945b6f6b8b39caa007739366b
[INFO] running `Command { std: "docker" "start" "-a" "37bb2fbc9276dbf9f25c22f5c62033a918c46af945b6f6b8b39caa007739366b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37bb2fbc9276dbf9f25c22f5c62033a918c46af945b6f6b8b39caa007739366b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bb2fbc9276dbf9f25c22f5c62033a918c46af945b6f6b8b39caa007739366b", kill_on_drop: false }`
[INFO] [stdout] 37bb2fbc9276dbf9f25c22f5c62033a918c46af945b6f6b8b39caa007739366b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93df0a9abfd8b4a39f9c564bffccee882dcc13856ce3f75ba37dc3caaff6aebb
[INFO] running `Command { std: "docker" "start" "-a" "93df0a9abfd8b4a39f9c564bffccee882dcc13856ce3f75ba37dc3caaff6aebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmtime-fiber v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "93df0a9abfd8b4a39f9c564bffccee882dcc13856ce3f75ba37dc3caaff6aebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93df0a9abfd8b4a39f9c564bffccee882dcc13856ce3f75ba37dc3caaff6aebb", kill_on_drop: false }`
[INFO] [stdout] 93df0a9abfd8b4a39f9c564bffccee882dcc13856ce3f75ba37dc3caaff6aebb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb3f48a9721be65ba6b185990be3a1181641b7aaffa0a386a819948d3bdc646
[INFO] running `Command { std: "docker" "start" "-a" "0bb3f48a9721be65ba6b185990be3a1181641b7aaffa0a386a819948d3bdc646", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasmtime-fiber v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "0bb3f48a9721be65ba6b185990be3a1181641b7aaffa0a386a819948d3bdc646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb3f48a9721be65ba6b185990be3a1181641b7aaffa0a386a819948d3bdc646", kill_on_drop: false }`
[INFO] [stdout] 0bb3f48a9721be65ba6b185990be3a1181641b7aaffa0a386a819948d3bdc646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89bbc157fab8b7830b4f38484a27cbb66e983e502e48b726fc5c5a247cfe0d8c
[INFO] running `Command { std: "docker" "start" "-a" "89bbc157fab8b7830b4f38484a27cbb66e983e502e48b726fc5c5a247cfe0d8c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wasmtime_fiber-f8172a7b2d7f5f7c)
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] test tests::small_stacks ... ok
[INFO] [stdout] test tests::suspend_and_resume_values ... ok
[INFO] [stdout] test tests::suspend_and_resume ... 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 0.51s
[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" "89bbc157fab8b7830b4f38484a27cbb66e983e502e48b726fc5c5a247cfe0d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bbc157fab8b7830b4f38484a27cbb66e983e502e48b726fc5c5a247cfe0d8c", kill_on_drop: false }`
[INFO] [stdout] 89bbc157fab8b7830b4f38484a27cbb66e983e502e48b726fc5c5a247cfe0d8c