[INFO] fetching crate silkworm_err 0.1.0-dev.1...
[INFO] testing silkworm_err-0.1.0-dev.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate silkworm_err 0.1.0-dev.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate silkworm_err 0.1.0-dev.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silkworm_err 0.1.0-dev.1
[INFO] finished tweaking crates.io crate silkworm_err 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate silkworm_err 0.1.0-dev.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55392c33aa9c3235f99e566bf946218dc7b37d0edc44a29422a70b8207265e33
[INFO] running `Command { std: "docker" "start" "-a" "55392c33aa9c3235f99e566bf946218dc7b37d0edc44a29422a70b8207265e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55392c33aa9c3235f99e566bf946218dc7b37d0edc44a29422a70b8207265e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55392c33aa9c3235f99e566bf946218dc7b37d0edc44a29422a70b8207265e33", kill_on_drop: false }`
[INFO] [stdout] 55392c33aa9c3235f99e566bf946218dc7b37d0edc44a29422a70b8207265e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7f08e48490e1a0d82a1e60b7a5fa0db09ef11c0a583e2f2fd156f31ad0249ce
[INFO] running `Command { std: "docker" "start" "-a" "f7f08e48490e1a0d82a1e60b7a5fa0db09ef11c0a583e2f2fd156f31ad0249ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling silkworm_sourcemap v0.1.0-dev.1
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling silkworm_err v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "f7f08e48490e1a0d82a1e60b7a5fa0db09ef11c0a583e2f2fd156f31ad0249ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f08e48490e1a0d82a1e60b7a5fa0db09ef11c0a583e2f2fd156f31ad0249ce", kill_on_drop: false }`
[INFO] [stdout] f7f08e48490e1a0d82a1e60b7a5fa0db09ef11c0a583e2f2fd156f31ad0249ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aacc5c7561d8e5b16b02597dcf85b7401d2b5ee8df68f4c26a4585fb5a4e2360
[INFO] running `Command { std: "docker" "start" "-a" "aacc5c7561d8e5b16b02597dcf85b7401d2b5ee8df68f4c26a4585fb5a4e2360", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm_err v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "aacc5c7561d8e5b16b02597dcf85b7401d2b5ee8df68f4c26a4585fb5a4e2360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aacc5c7561d8e5b16b02597dcf85b7401d2b5ee8df68f4c26a4585fb5a4e2360", kill_on_drop: false }`
[INFO] [stdout] aacc5c7561d8e5b16b02597dcf85b7401d2b5ee8df68f4c26a4585fb5a4e2360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88d2cac69b5fcd438f3adba1696d3358547d58aa3da2421adad404363a19035f
[INFO] running `Command { std: "docker" "start" "-a" "88d2cac69b5fcd438f3adba1696d3358547d58aa3da2421adad404363a19035f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silkworm_err-cc2741e91362cfcf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests silkworm_err
[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] [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" "88d2cac69b5fcd438f3adba1696d3358547d58aa3da2421adad404363a19035f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d2cac69b5fcd438f3adba1696d3358547d58aa3da2421adad404363a19035f", kill_on_drop: false }`
[INFO] [stdout] 88d2cac69b5fcd438f3adba1696d3358547d58aa3da2421adad404363a19035f