[INFO] fetching crate ast_node 0.7.0...
[INFO] testing ast_node-0.7.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ast_node 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ast_node 0.7.0 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 ast_node 0.7.0
[INFO] finished tweaking crates.io crate ast_node 0.7.0
[INFO] tweaked toml for crates.io crate ast_node 0.7.0 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swc_macros_common v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2cdbbebf769a8d725140f1867d68bb4f65d2bd5469943846c457fadbfcb219db
[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" "2cdbbebf769a8d725140f1867d68bb4f65d2bd5469943846c457fadbfcb219db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cdbbebf769a8d725140f1867d68bb4f65d2bd5469943846c457fadbfcb219db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdbbebf769a8d725140f1867d68bb4f65d2bd5469943846c457fadbfcb219db", kill_on_drop: false }`
[INFO] [stdout] 2cdbbebf769a8d725140f1867d68bb4f65d2bd5469943846c457fadbfcb219db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0c8f06db49839a710b78963b97a35d1b7f60e7648d6e777b89ae036f3d0a860
[INFO] running `Command { std: "docker" "start" "-a" "a0c8f06db49839a710b78963b97a35d1b7f60e7648d6e777b89ae036f3d0a860", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling swc_macros_common v0.3.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.22s
[INFO] running `Command { std: "docker" "inspect" "a0c8f06db49839a710b78963b97a35d1b7f60e7648d6e777b89ae036f3d0a860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c8f06db49839a710b78963b97a35d1b7f60e7648d6e777b89ae036f3d0a860", kill_on_drop: false }`
[INFO] [stdout] a0c8f06db49839a710b78963b97a35d1b7f60e7648d6e777b89ae036f3d0a860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7cbda9db667d7d052ea88eec16932aec2336f8d0fee53f97a312bafb3e94cff
[INFO] running `Command { std: "docker" "start" "-a" "b7cbda9db667d7d052ea88eec16932aec2336f8d0fee53f97a312bafb3e94cff", kill_on_drop: false }`
[INFO] [stderr]    Compiling ast_node v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "b7cbda9db667d7d052ea88eec16932aec2336f8d0fee53f97a312bafb3e94cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cbda9db667d7d052ea88eec16932aec2336f8d0fee53f97a312bafb3e94cff", kill_on_drop: false }`
[INFO] [stdout] b7cbda9db667d7d052ea88eec16932aec2336f8d0fee53f97a312bafb3e94cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e312acb13ccdc8814c57e364607159665ac47c5022542e1d218ea73b7bdbd987
[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" "e312acb13ccdc8814c57e364607159665ac47c5022542e1d218ea73b7bdbd987", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ast_node-6cc60bf88a99700a
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ast_node
[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" "e312acb13ccdc8814c57e364607159665ac47c5022542e1d218ea73b7bdbd987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e312acb13ccdc8814c57e364607159665ac47c5022542e1d218ea73b7bdbd987", kill_on_drop: false }`
[INFO] [stdout] e312acb13ccdc8814c57e364607159665ac47c5022542e1d218ea73b7bdbd987