[INFO] fetching crate silkworm_syn 0.1.0-dev.1...
[INFO] testing silkworm_syn-0.1.0-dev.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate silkworm_syn 0.1.0-dev.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate silkworm_syn 0.1.0-dev.1 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 silkworm_syn 0.1.0-dev.1
[INFO] finished tweaking crates.io crate silkworm_syn 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate silkworm_syn 0.1.0-dev.1 written to /workspace/builds/worker-2/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arraydeque v0.4.5
[INFO] [stderr]   Downloaded silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]   Downloaded silkworm_err v0.1.0-dev.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a7ceca18715f7a4a984c49c4d0c209aaa994a6598e0cdce9bd0328167d0fd586
[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" "a7ceca18715f7a4a984c49c4d0c209aaa994a6598e0cdce9bd0328167d0fd586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7ceca18715f7a4a984c49c4d0c209aaa994a6598e0cdce9bd0328167d0fd586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ceca18715f7a4a984c49c4d0c209aaa994a6598e0cdce9bd0328167d0fd586", kill_on_drop: false }`
[INFO] [stdout] a7ceca18715f7a4a984c49c4d0c209aaa994a6598e0cdce9bd0328167d0fd586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] af9b5ab2175d6f2ba71b2a08d9ca2d50f781e2ed8dda717988f5d9cf10aeea7f
[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" "af9b5ab2175d6f2ba71b2a08d9ca2d50f781e2ed8dda717988f5d9cf10aeea7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling silkworm_err v0.1.0-dev.1
[INFO] [stderr]    Compiling silkworm_syn v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "af9b5ab2175d6f2ba71b2a08d9ca2d50f781e2ed8dda717988f5d9cf10aeea7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9b5ab2175d6f2ba71b2a08d9ca2d50f781e2ed8dda717988f5d9cf10aeea7f", kill_on_drop: false }`
[INFO] [stdout] af9b5ab2175d6f2ba71b2a08d9ca2d50f781e2ed8dda717988f5d9cf10aeea7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2e6e38e8bcb546252154623481465a1294bbcf320cd2287985cdd24a7a0612fc
[INFO] running `Command { std: "docker" "start" "-a" "2e6e38e8bcb546252154623481465a1294bbcf320cd2287985cdd24a7a0612fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm_syn v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `Command { std: "docker" "inspect" "2e6e38e8bcb546252154623481465a1294bbcf320cd2287985cdd24a7a0612fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6e38e8bcb546252154623481465a1294bbcf320cd2287985cdd24a7a0612fc", kill_on_drop: false }`
[INFO] [stdout] 2e6e38e8bcb546252154623481465a1294bbcf320cd2287985cdd24a7a0612fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9cb992dcd9c54a0a05c82e935fec8f9ad7375c1f92862b2514b1a0031fef32c3
[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" "9cb992dcd9c54a0a05c82e935fec8f9ad7375c1f92862b2514b1a0031fef32c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/silkworm_syn-b92424ea13ae502b
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test parse::block::tests::can_parse_if_command ... ok
[INFO] [stdout] test parse::expr::tests::can_parse_var ... ok
[INFO] [stdout] test parse::block::tests::can_parse_stmt ... ok
[INFO] [stdout] test lex::tests::it_works_at_all ... ok
[INFO] [stdout] test parse::expr::tests::can_parse_expr ... ok
[INFO] [stdout] test parse::misc::tests::can_parse_path ... ok
[INFO] [stdout] test parse::block::tests::can_parse_shortcut_option ... ok
[INFO] [stdout] test symbol::pin_buf::tests::can_push_strings ... ok
[INFO] [stdout] test parse::block::tests::can_parse_set_command ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_text ... ok
[INFO] [stdout] test parse::node::tests::can_parse_node_header ... ok
[INFO] [stdout] test parse::block::tests::can_parse_hashtag ... ok
[INFO] [stdout] test parse::expr::tests::can_parse_lit ... ok
[INFO] [stdout] test parse::block::tests::can_parse_expr_command ... ok
[INFO] [stdout] test parse::pragma::tests::can_parse_meta ... ok
[INFO] [stdout] test parse::block::tests::can_parse_flow ... ok
[INFO] [stdout] test parse::node::tests::can_parse_file ... ok
[INFO] [stderr]    Doc-tests silkworm_syn
[INFO] [stdout] test parse::node::tests::can_parse_node ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_format_func ... ok
[INFO] [stdout] test symbol::tests::can_intern_symbols ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_expr ... ok
[INFO] [stdout] test parse::block::tests::can_parse_custom_command ... ok
[INFO] [stdout] test parse::pragma::tests::can_parse_pragma ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_escapes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 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" "9cb992dcd9c54a0a05c82e935fec8f9ad7375c1f92862b2514b1a0031fef32c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb992dcd9c54a0a05c82e935fec8f9ad7375c1f92862b2514b1a0031fef32c3", kill_on_drop: false }`
[INFO] [stdout] 9cb992dcd9c54a0a05c82e935fec8f9ad7375c1f92862b2514b1a0031fef32c3