[INFO] fetching crate silkworm 0.1.0-dev.0...
[INFO] testing silkworm-0.1.0-dev.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate silkworm 0.1.0-dev.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate silkworm 0.1.0-dev.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkworm 0.1.0-dev.0
[INFO] finished tweaking crates.io crate silkworm 0.1.0-dev.0
[INFO] tweaked toml for crates.io crate silkworm 0.1.0-dev.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded silkworm_syn 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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 319d9d47d3149a2ff4413adb7473948880966081aa7b465ba6cf84d120e04d99
[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" "319d9d47d3149a2ff4413adb7473948880966081aa7b465ba6cf84d120e04d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319d9d47d3149a2ff4413adb7473948880966081aa7b465ba6cf84d120e04d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319d9d47d3149a2ff4413adb7473948880966081aa7b465ba6cf84d120e04d99", kill_on_drop: false }`
[INFO] [stdout] 319d9d47d3149a2ff4413adb7473948880966081aa7b465ba6cf84d120e04d99
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 0141f4d768855a5e9428d2f26caee2b6ea41ab27c25e3092681afce5c8cff08c
[INFO] running `Command { std: "docker" "start" "-a" "0141f4d768855a5e9428d2f26caee2b6ea41ab27c25e3092681afce5c8cff08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling silkworm_sourcemap v0.1.0-dev.1
[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 object v0.25.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling silkworm_err v0.1.0-dev.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling silkworm_syn v0.1.0-dev.1
[INFO] [stderr]    Compiling silkworm v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "0141f4d768855a5e9428d2f26caee2b6ea41ab27c25e3092681afce5c8cff08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0141f4d768855a5e9428d2f26caee2b6ea41ab27c25e3092681afce5c8cff08c", kill_on_drop: false }`
[INFO] [stdout] 0141f4d768855a5e9428d2f26caee2b6ea41ab27c25e3092681afce5c8cff08c
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 01ed121827eee3da1690dd08276540a0c269ce76aed946c3c952d3e72bbca208
[INFO] running `Command { std: "docker" "start" "-a" "01ed121827eee3da1690dd08276540a0c269ce76aed946c3c952d3e72bbca208", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "01ed121827eee3da1690dd08276540a0c269ce76aed946c3c952d3e72bbca208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ed121827eee3da1690dd08276540a0c269ce76aed946c3c952d3e72bbca208", kill_on_drop: false }`
[INFO] [stdout] 01ed121827eee3da1690dd08276540a0c269ce76aed946c3c952d3e72bbca208
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d95f234c5ad478d8dfe5a1e1c93e00f27095cf5268e82199b201ea92c33b72e
[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" "4d95f234c5ad478d8dfe5a1e1c93e00f27095cf5268e82199b201ea92c33b72e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silkworm-203fa4df6856adcd)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests silkworm
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d95f234c5ad478d8dfe5a1e1c93e00f27095cf5268e82199b201ea92c33b72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d95f234c5ad478d8dfe5a1e1c93e00f27095cf5268e82199b201ea92c33b72e", kill_on_drop: false }`
[INFO] [stdout] 4d95f234c5ad478d8dfe5a1e1c93e00f27095cf5268e82199b201ea92c33b72e