[INFO] fetching crate ast_node 0.7.3...
[INFO] testing ast_node-0.7.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ast_node 0.7.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ast_node 0.7.3 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 ast_node 0.7.3
[INFO] finished tweaking crates.io crate ast_node 0.7.3
[INFO] tweaked toml for crates.io crate ast_node 0.7.3 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 15353585ca6a91dbcf81d8bd7889b1ef37cccc5c3f59ed33c5b3970c08db5550
[INFO] running `Command { std: "docker" "start" "-a" "15353585ca6a91dbcf81d8bd7889b1ef37cccc5c3f59ed33c5b3970c08db5550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15353585ca6a91dbcf81d8bd7889b1ef37cccc5c3f59ed33c5b3970c08db5550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15353585ca6a91dbcf81d8bd7889b1ef37cccc5c3f59ed33c5b3970c08db5550", kill_on_drop: false }`
[INFO] [stdout] 15353585ca6a91dbcf81d8bd7889b1ef37cccc5c3f59ed33c5b3970c08db5550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e8558e3c3ffe0526a74b5f3fc6c7993150edd52205be863152e98a86348074fe
[INFO] running `Command { std: "docker" "start" "-a" "e8558e3c3ffe0526a74b5f3fc6c7993150edd52205be863152e98a86348074fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.29s
[INFO] running `Command { std: "docker" "inspect" "e8558e3c3ffe0526a74b5f3fc6c7993150edd52205be863152e98a86348074fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8558e3c3ffe0526a74b5f3fc6c7993150edd52205be863152e98a86348074fe", kill_on_drop: false }`
[INFO] [stdout] e8558e3c3ffe0526a74b5f3fc6c7993150edd52205be863152e98a86348074fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7de86aedf352ddf0b18a5b3f5ae129fe4bd33afe76b39b687d07bb56312799ac
[INFO] running `Command { std: "docker" "start" "-a" "7de86aedf352ddf0b18a5b3f5ae129fe4bd33afe76b39b687d07bb56312799ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling ast_node v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7de86aedf352ddf0b18a5b3f5ae129fe4bd33afe76b39b687d07bb56312799ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de86aedf352ddf0b18a5b3f5ae129fe4bd33afe76b39b687d07bb56312799ac", kill_on_drop: false }`
[INFO] [stdout] 7de86aedf352ddf0b18a5b3f5ae129fe4bd33afe76b39b687d07bb56312799ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f2cf5007c1f3479edca64eda3efeb158d8cb81fba3a21751e1a5f65c616cd0a6
[INFO] running `Command { std: "docker" "start" "-a" "f2cf5007c1f3479edca64eda3efeb158d8cb81fba3a21751e1a5f65c616cd0a6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ast_node-637a84a90753aeb8)
[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 ast_node
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ast_serde (line 68) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2cf5007c1f3479edca64eda3efeb158d8cb81fba3a21751e1a5f65c616cd0a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cf5007c1f3479edca64eda3efeb158d8cb81fba3a21751e1a5f65c616cd0a6", kill_on_drop: false }`
[INFO] [stdout] f2cf5007c1f3479edca64eda3efeb158d8cb81fba3a21751e1a5f65c616cd0a6