[INFO] fetching crate alien_ffi 0.1.0...
[INFO] testing alien_ffi-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate alien_ffi 0.1.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate alien_ffi 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alien_ffi 0.1.0
[INFO] finished tweaking crates.io crate alien_ffi 0.1.0
[INFO] tweaked toml for crates.io crate alien_ffi 0.1.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee751e8bb0fdb4774806582c998a184f3536348eeab78a45d9db753ead81ad0e
[INFO] running `Command { std: "docker" "start" "-a" "ee751e8bb0fdb4774806582c998a184f3536348eeab78a45d9db753ead81ad0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee751e8bb0fdb4774806582c998a184f3536348eeab78a45d9db753ead81ad0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee751e8bb0fdb4774806582c998a184f3536348eeab78a45d9db753ead81ad0e", kill_on_drop: false }`
[INFO] [stdout] ee751e8bb0fdb4774806582c998a184f3536348eeab78a45d9db753ead81ad0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b6f31467354426ffafa7ef9927abf227cb420d26c5e857859ff3f12aaf3489c
[INFO] running `Command { std: "docker" "start" "-a" "4b6f31467354426ffafa7ef9927abf227cb420d26c5e857859ff3f12aaf3489c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling alien_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "4b6f31467354426ffafa7ef9927abf227cb420d26c5e857859ff3f12aaf3489c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6f31467354426ffafa7ef9927abf227cb420d26c5e857859ff3f12aaf3489c", kill_on_drop: false }`
[INFO] [stdout] 4b6f31467354426ffafa7ef9927abf227cb420d26c5e857859ff3f12aaf3489c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9534395d6d5b141f1547c43b017942b54eb686cf0b6d728014dd4c0104bc3c1a
[INFO] running `Command { std: "docker" "start" "-a" "9534395d6d5b141f1547c43b017942b54eb686cf0b6d728014dd4c0104bc3c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling alien_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "9534395d6d5b141f1547c43b017942b54eb686cf0b6d728014dd4c0104bc3c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9534395d6d5b141f1547c43b017942b54eb686cf0b6d728014dd4c0104bc3c1a", kill_on_drop: false }`
[INFO] [stdout] 9534395d6d5b141f1547c43b017942b54eb686cf0b6d728014dd4c0104bc3c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bafe35a96af933cc038cc8130f0813f9690ba833e6688313aa9a76ffe54b4f4
[INFO] running `Command { std: "docker" "start" "-a" "7bafe35a96af933cc038cc8130f0813f9690ba833e6688313aa9a76ffe54b4f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alien_ffi-d7fd12db6d8220ff)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alien_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" "7bafe35a96af933cc038cc8130f0813f9690ba833e6688313aa9a76ffe54b4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bafe35a96af933cc038cc8130f0813f9690ba833e6688313aa9a76ffe54b4f4", kill_on_drop: false }`
[INFO] [stdout] 7bafe35a96af933cc038cc8130f0813f9690ba833e6688313aa9a76ffe54b4f4