[INFO] fetching crate wasmtime-fiber 0.31.0...
[INFO] testing wasmtime-fiber-0.31.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate wasmtime-fiber 0.31.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate wasmtime-fiber 0.31.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45de715e09efaced614d9ceab0f4aa4893b316b018b579ee260a74425c18cfc
[INFO] running `Command { std: "docker" "start" "-a" "a45de715e09efaced614d9ceab0f4aa4893b316b018b579ee260a74425c18cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45de715e09efaced614d9ceab0f4aa4893b316b018b579ee260a74425c18cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45de715e09efaced614d9ceab0f4aa4893b316b018b579ee260a74425c18cfc", kill_on_drop: false }`
[INFO] [stdout] a45de715e09efaced614d9ceab0f4aa4893b316b018b579ee260a74425c18cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f26e1e143bdb5b89d7b79ea4ebdbcf522a4b6f5ab34616834ee9e51a95dcd0
[INFO] running `Command { std: "docker" "start" "-a" "a7f26e1e143bdb5b89d7b79ea4ebdbcf522a4b6f5ab34616834ee9e51a95dcd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling linux-raw-sys v0.0.28
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling wasmtime-fiber v0.31.0 (/opt/rustwide/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 13.78s
[INFO] running `Command { std: "docker" "inspect" "a7f26e1e143bdb5b89d7b79ea4ebdbcf522a4b6f5ab34616834ee9e51a95dcd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f26e1e143bdb5b89d7b79ea4ebdbcf522a4b6f5ab34616834ee9e51a95dcd0", kill_on_drop: false }`
[INFO] [stdout] a7f26e1e143bdb5b89d7b79ea4ebdbcf522a4b6f5ab34616834ee9e51a95dcd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f14a8a1408971474c40f441c65c3114787d4b0f8e9771f30be09a165a939b6e4
[INFO] running `Command { std: "docker" "start" "-a" "f14a8a1408971474c40f441c65c3114787d4b0f8e9771f30be09a165a939b6e4", 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 backtrace v0.3.63
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[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 20.73s
[INFO] running `Command { std: "docker" "inspect" "f14a8a1408971474c40f441c65c3114787d4b0f8e9771f30be09a165a939b6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14a8a1408971474c40f441c65c3114787d4b0f8e9771f30be09a165a939b6e4", kill_on_drop: false }`
[INFO] [stdout] f14a8a1408971474c40f441c65c3114787d4b0f8e9771f30be09a165a939b6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d3de52db9c757c3c08870d8e03a0874754d54ac8677d3f840d7c8115eb8d933
[INFO] running `Command { std: "docker" "start" "-a" "6d3de52db9c757c3c08870d8e03a0874754d54ac8677d3f840d7c8115eb8d933", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wasmtime_fiber-a83d190e1ea46d13)
[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 0.53s
[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" "6d3de52db9c757c3c08870d8e03a0874754d54ac8677d3f840d7c8115eb8d933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3de52db9c757c3c08870d8e03a0874754d54ac8677d3f840d7c8115eb8d933", kill_on_drop: false }`
[INFO] [stdout] 6d3de52db9c757c3c08870d8e03a0874754d54ac8677d3f840d7c8115eb8d933