[INFO] fetching crate js_ffi 0.8.0...
[INFO] testing js_ffi-0.8.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate js_ffi 0.8.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate js_ffi 0.8.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cstring v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 506f5219153fe3975890a4f05b2ed38e1be4b1fbae0e3b43fbb601a302e03bf1
[INFO] running `Command { std: "docker" "start" "-a" "506f5219153fe3975890a4f05b2ed38e1be4b1fbae0e3b43fbb601a302e03bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "506f5219153fe3975890a4f05b2ed38e1be4b1fbae0e3b43fbb601a302e03bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506f5219153fe3975890a4f05b2ed38e1be4b1fbae0e3b43fbb601a302e03bf1", kill_on_drop: false }`
[INFO] [stdout] 506f5219153fe3975890a4f05b2ed38e1be4b1fbae0e3b43fbb601a302e03bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22db23041e7c9b7cb1777d242e2bd920539652634f27c57abeb354188982305a
[INFO] running `Command { std: "docker" "start" "-a" "22db23041e7c9b7cb1777d242e2bd920539652634f27c57abeb354188982305a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cstring v0.0.5
[INFO] [stderr]    Compiling js_ffi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "22db23041e7c9b7cb1777d242e2bd920539652634f27c57abeb354188982305a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22db23041e7c9b7cb1777d242e2bd920539652634f27c57abeb354188982305a", kill_on_drop: false }`
[INFO] [stdout] 22db23041e7c9b7cb1777d242e2bd920539652634f27c57abeb354188982305a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47e18f2129ee7d9ca6a5108f5a3da5bbce52e8d701c3c3c229411e918469b6f
[INFO] running `Command { std: "docker" "start" "-a" "d47e18f2129ee7d9ca6a5108f5a3da5bbce52e8d701c3c3c229411e918469b6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling js_ffi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d47e18f2129ee7d9ca6a5108f5a3da5bbce52e8d701c3c3c229411e918469b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47e18f2129ee7d9ca6a5108f5a3da5bbce52e8d701c3c3c229411e918469b6f", kill_on_drop: false }`
[INFO] [stdout] d47e18f2129ee7d9ca6a5108f5a3da5bbce52e8d701c3c3c229411e918469b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 651f9b9a731e7fc9b34afc05205f12f0e6eb08ae1341d1a5900bde044d286fcb
[INFO] running `Command { std: "docker" "start" "-a" "651f9b9a731e7fc9b34afc05205f12f0e6eb08ae1341d1a5900bde044d286fcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/js_ffi-124c18707c7cc27f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests js_ffi
[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] [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" "651f9b9a731e7fc9b34afc05205f12f0e6eb08ae1341d1a5900bde044d286fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651f9b9a731e7fc9b34afc05205f12f0e6eb08ae1341d1a5900bde044d286fcb", kill_on_drop: false }`
[INFO] [stdout] 651f9b9a731e7fc9b34afc05205f12f0e6eb08ae1341d1a5900bde044d286fcb