[INFO] fetching crate rusty_v8_helper_derive 1.0.3...
[INFO] testing rusty_v8_helper_derive-1.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rusty_v8_helper_derive 1.0.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rusty_v8_helper_derive 1.0.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty_v8_helper_derive 1.0.3
[INFO] finished tweaking crates.io crate rusty_v8_helper_derive 1.0.3
[INFO] tweaked toml for crates.io crate rusty_v8_helper_derive 1.0.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5f102d027e402aa164b7eece6c6d638f39c9190a8704b453ad1a11cc6c05581
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5f102d027e402aa164b7eece6c6d638f39c9190a8704b453ad1a11cc6c05581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5f102d027e402aa164b7eece6c6d638f39c9190a8704b453ad1a11cc6c05581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f102d027e402aa164b7eece6c6d638f39c9190a8704b453ad1a11cc6c05581", kill_on_drop: false }`
[INFO] [stdout] c5f102d027e402aa164b7eece6c6d638f39c9190a8704b453ad1a11cc6c05581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fbc0a8dfc9a9e5e245136c7bc3074d0d9d595eeca3539c10b9b9a22ddf83b0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fbc0a8dfc9a9e5e245136c7bc3074d0d9d595eeca3539c10b9b9a22ddf83b0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rusty_v8_helper_derive v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "5fbc0a8dfc9a9e5e245136c7bc3074d0d9d595eeca3539c10b9b9a22ddf83b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbc0a8dfc9a9e5e245136c7bc3074d0d9d595eeca3539c10b9b9a22ddf83b0d", kill_on_drop: false }`
[INFO] [stdout] 5fbc0a8dfc9a9e5e245136c7bc3074d0d9d595eeca3539c10b9b9a22ddf83b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 364f343b9a5c5ca5ce0c956900f926ea39b84367bb194e0996e5636ce0bb1fdb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "364f343b9a5c5ca5ce0c956900f926ea39b84367bb194e0996e5636ce0bb1fdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty_v8_helper_derive v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "364f343b9a5c5ca5ce0c956900f926ea39b84367bb194e0996e5636ce0bb1fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364f343b9a5c5ca5ce0c956900f926ea39b84367bb194e0996e5636ce0bb1fdb", kill_on_drop: false }`
[INFO] [stdout] 364f343b9a5c5ca5ce0c956900f926ea39b84367bb194e0996e5636ce0bb1fdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e512629c21cd7141c005c6b89ec3e84be2dd8237e54ec855ce09ad3a32c93ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e512629c21cd7141c005c6b89ec3e84be2dd8237e54ec855ce09ad3a32c93ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_v8_helper_derive-ef4b5311d5c3e200
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_v8_helper_derive
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e512629c21cd7141c005c6b89ec3e84be2dd8237e54ec855ce09ad3a32c93ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e512629c21cd7141c005c6b89ec3e84be2dd8237e54ec855ce09ad3a32c93ab", kill_on_drop: false }`
[INFO] [stdout] 0e512629c21cd7141c005c6b89ec3e84be2dd8237e54ec855ce09ad3a32c93ab