[INFO] fetching crate js_ffi 0.8.0...
[INFO] testing js_ffi-0.8.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate js_ffi 0.8.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate js_ffi 0.8.0 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 js_ffi 0.8.0
[INFO] finished tweaking crates.io crate js_ffi 0.8.0
[INFO] tweaked toml for crates.io crate js_ffi 0.8.0 written to /workspace/builds/worker-29/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aabb3704262b7e60b3394ae9b93cbad43467b463379148ebdfcec05d55d608fd
[INFO] running `Command { std: "docker" "start" "-a" "aabb3704262b7e60b3394ae9b93cbad43467b463379148ebdfcec05d55d608fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aabb3704262b7e60b3394ae9b93cbad43467b463379148ebdfcec05d55d608fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabb3704262b7e60b3394ae9b93cbad43467b463379148ebdfcec05d55d608fd", kill_on_drop: false }`
[INFO] [stdout] aabb3704262b7e60b3394ae9b93cbad43467b463379148ebdfcec05d55d608fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1fb950f3144f66810a4823542ae77dc1ce5019436942732ce1d157f84832cf3
[INFO] running `Command { std: "docker" "start" "-a" "a1fb950f3144f66810a4823542ae77dc1ce5019436942732ce1d157f84832cf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling js_ffi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "a1fb950f3144f66810a4823542ae77dc1ce5019436942732ce1d157f84832cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fb950f3144f66810a4823542ae77dc1ce5019436942732ce1d157f84832cf3", kill_on_drop: false }`
[INFO] [stdout] a1fb950f3144f66810a4823542ae77dc1ce5019436942732ce1d157f84832cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea4d8f532f72e27b222336390fea32726fb69d8252d14703e856a545f7d5cc1
[INFO] running `Command { std: "docker" "start" "-a" "7ea4d8f532f72e27b222336390fea32726fb69d8252d14703e856a545f7d5cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling js_ffi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/js_ffi-124c18707c7cc27f)
[INFO] running `Command { std: "docker" "inspect" "7ea4d8f532f72e27b222336390fea32726fb69d8252d14703e856a545f7d5cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea4d8f532f72e27b222336390fea32726fb69d8252d14703e856a545f7d5cc1", kill_on_drop: false }`
[INFO] [stdout] 7ea4d8f532f72e27b222336390fea32726fb69d8252d14703e856a545f7d5cc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 593909f3444d8b1690f2f13d620bb53872b31e8d1b94ad5f72d32e8fc8b6b1f7
[INFO] running `Command { std: "docker" "start" "-a" "593909f3444d8b1690f2f13d620bb53872b31e8d1b94ad5f72d32e8fc8b6b1f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/js_ffi-124c18707c7cc27f)
[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] [stderr]    Doc-tests js_ffi
[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" "593909f3444d8b1690f2f13d620bb53872b31e8d1b94ad5f72d32e8fc8b6b1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593909f3444d8b1690f2f13d620bb53872b31e8d1b94ad5f72d32e8fc8b6b1f7", kill_on_drop: false }`
[INFO] [stdout] 593909f3444d8b1690f2f13d620bb53872b31e8d1b94ad5f72d32e8fc8b6b1f7