[INFO] fetching crate wasmtime-fiber 0.31.0...
[INFO] testing wasmtime-fiber-0.31.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate wasmtime-fiber 0.31.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate wasmtime-fiber 0.31.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmtime-fiber 0.31.0
[INFO] finished tweaking crates.io crate wasmtime-fiber 0.31.0
[INFO] tweaked toml for crates.io crate wasmtime-fiber 0.31.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aecc2e19706d39c3b9dc6ea4569dd0f8c80f3cff7cc8a1c399bc22af3c26f89
[INFO] running `Command { std: "docker" "start" "-a" "2aecc2e19706d39c3b9dc6ea4569dd0f8c80f3cff7cc8a1c399bc22af3c26f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aecc2e19706d39c3b9dc6ea4569dd0f8c80f3cff7cc8a1c399bc22af3c26f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aecc2e19706d39c3b9dc6ea4569dd0f8c80f3cff7cc8a1c399bc22af3c26f89", kill_on_drop: false }`
[INFO] [stdout] 2aecc2e19706d39c3b9dc6ea4569dd0f8c80f3cff7cc8a1c399bc22af3c26f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7417786d13442d6fcc283ab818b331414b05e986a164b46c4310d48fb532dd
[INFO] running `Command { std: "docker" "start" "-a" "4e7417786d13442d6fcc283ab818b331414b05e986a164b46c4310d48fb532dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.28
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling io-lifetimes v0.3.3
[INFO] [stderr]    Compiling rsix v0.23.9
[INFO] [stderr]    Compiling wasmtime-fiber v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "4e7417786d13442d6fcc283ab818b331414b05e986a164b46c4310d48fb532dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7417786d13442d6fcc283ab818b331414b05e986a164b46c4310d48fb532dd", kill_on_drop: false }`
[INFO] [stdout] 4e7417786d13442d6fcc283ab818b331414b05e986a164b46c4310d48fb532dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 431614bd731c521f305cbee33d7b885b0cb02cfafa43a251c08bfd65212c113a
[INFO] running `Command { std: "docker" "start" "-a" "431614bd731c521f305cbee33d7b885b0cb02cfafa43a251c08bfd65212c113a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling wasmtime-fiber v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `Command { std: "docker" "inspect" "431614bd731c521f305cbee33d7b885b0cb02cfafa43a251c08bfd65212c113a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431614bd731c521f305cbee33d7b885b0cb02cfafa43a251c08bfd65212c113a", kill_on_drop: false }`
[INFO] [stdout] 431614bd731c521f305cbee33d7b885b0cb02cfafa43a251c08bfd65212c113a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8aee957ea5e48db244f09c24213ba2a50cbf39c11fca5e8d7f4e0b60e5d3860
[INFO] running `Command { std: "docker" "start" "-a" "f8aee957ea5e48db244f09c24213ba2a50cbf39c11fca5e8d7f4e0b60e5d3860", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wasmtime_fiber-a83d190e1ea46d13)
[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_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 0.36s
[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" "f8aee957ea5e48db244f09c24213ba2a50cbf39c11fca5e8d7f4e0b60e5d3860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aee957ea5e48db244f09c24213ba2a50cbf39c11fca5e8d7f4e0b60e5d3860", kill_on_drop: false }`
[INFO] [stdout] f8aee957ea5e48db244f09c24213ba2a50cbf39c11fca5e8d7f4e0b60e5d3860