[INFO] fetching crate silkworm_syn 0.1.0-dev.1...
[INFO] testing silkworm_syn-0.1.0-dev.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate silkworm_syn 0.1.0-dev.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate silkworm_syn 0.1.0-dev.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4df1ae8120dee23d43aa1daede2ebb09f70a43f625fc2d9e95db8917487a4d1f
[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" "4df1ae8120dee23d43aa1daede2ebb09f70a43f625fc2d9e95db8917487a4d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df1ae8120dee23d43aa1daede2ebb09f70a43f625fc2d9e95db8917487a4d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df1ae8120dee23d43aa1daede2ebb09f70a43f625fc2d9e95db8917487a4d1f", kill_on_drop: false }`
[INFO] [stdout] 4df1ae8120dee23d43aa1daede2ebb09f70a43f625fc2d9e95db8917487a4d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] b188a261c559f501273b5bc44ff6f04e7a382607f3cee203790abec7b2bd16da
[INFO] running `Command { std: "docker" "start" "-a" "b188a261c559f501273b5bc44ff6f04e7a382607f3cee203790abec7b2bd16da", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling silkworm_err v0.1.0-dev.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling silkworm_syn v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.18s
[INFO] running `Command { std: "docker" "inspect" "b188a261c559f501273b5bc44ff6f04e7a382607f3cee203790abec7b2bd16da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b188a261c559f501273b5bc44ff6f04e7a382607f3cee203790abec7b2bd16da", kill_on_drop: false }`
[INFO] [stdout] b188a261c559f501273b5bc44ff6f04e7a382607f3cee203790abec7b2bd16da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cafc85affbf2d31263875cef9d57ce587a9579e1fe241af2330166bb69b1df4
[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" "2cafc85affbf2d31263875cef9d57ce587a9579e1fe241af2330166bb69b1df4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling silkworm_syn v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "2cafc85affbf2d31263875cef9d57ce587a9579e1fe241af2330166bb69b1df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cafc85affbf2d31263875cef9d57ce587a9579e1fe241af2330166bb69b1df4", kill_on_drop: false }`
[INFO] [stdout] 2cafc85affbf2d31263875cef9d57ce587a9579e1fe241af2330166bb69b1df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52accd76d90320aaea2d1aa8a7583d30e08ed58a047ede8816243d006f708a25
[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" "52accd76d90320aaea2d1aa8a7583d30e08ed58a047ede8816243d006f708a25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silkworm_syn-95932ff0d6277c19)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test parse::block::tests::can_parse_hashtag ... ok
[INFO] [stdout] test lex::tests::it_works_at_all ... ok
[INFO] [stdout] test parse::block::tests::can_parse_if_command ... ok
[INFO] [stdout] test parse::block::tests::can_parse_shortcut_option ... ok
[INFO] [stdout] test parse::expr::tests::can_parse_var ... ok
[INFO] [stdout] test parse::block::tests::can_parse_stmt ... ok
[INFO] [stdout] test parse::block::tests::can_parse_custom_command ... 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::block::tests::can_parse_flow ... ok
[INFO] [stdout] test parse::expr::tests::can_parse_expr ... ok
[INFO] [stdout] test parse::node::tests::can_parse_node ... ok
[INFO] [stdout] test parse::node::tests::can_parse_node_header ... ok
[INFO] [stdout] test parse::pragma::tests::can_parse_meta ... ok
[INFO] [stdout] test parse::block::tests::can_parse_set_command ... ok
[INFO] [stdout] test symbol::tests::can_intern_symbols ... ok
[INFO] [stdout] test parse::node::tests::can_parse_file ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_expr ... ok
[INFO] [stdout] test symbol::pin_buf::tests::can_push_strings ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_escapes ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_text ... ok
[INFO] [stdout] test parse::misc::tests::can_parse_path ... ok
[INFO] [stdout] test parse::str::tests::can_parse_str_segment_format_func ... ok
[INFO] [stdout] test parse::pragma::tests::can_parse_pragma ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests silkworm_syn
[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" "52accd76d90320aaea2d1aa8a7583d30e08ed58a047ede8816243d006f708a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52accd76d90320aaea2d1aa8a7583d30e08ed58a047ede8816243d006f708a25", kill_on_drop: false }`
[INFO] [stdout] 52accd76d90320aaea2d1aa8a7583d30e08ed58a047ede8816243d006f708a25