[INFO] fetching crate tc-block-builder 0.8.0...
[INFO] checking tc-block-builder-0.8.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate tc-block-builder 0.8.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tc-block-builder 0.8.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-block-builder 0.8.0
[INFO] finished tweaking crates.io crate tc-block-builder 0.8.0
[INFO] tweaked toml for crates.io crate tc-block-builder 0.8.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1163df82059289e59b40215e934b9165b097be7231be3b0f3aa8ee56c687b64
[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" "d1163df82059289e59b40215e934b9165b097be7231be3b0f3aa8ee56c687b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1163df82059289e59b40215e934b9165b097be7231be3b0f3aa8ee56c687b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1163df82059289e59b40215e934b9165b097be7231be3b0f3aa8ee56c687b64", kill_on_drop: false }`
[INFO] [stdout] d1163df82059289e59b40215e934b9165b097be7231be3b0f3aa8ee56c687b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 067213c94f21e42dbc904bff70eac90a7a65c1c16603f108dcbb852c91816424
[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" "067213c94f21e42dbc904bff70eac90a7a65c1c16603f108dcbb852c91816424", kill_on_drop: false }`
[INFO] [stderr]     Checking tp-block-builder v2.0.2
[INFO] [stderr]     Checking tc-block-builder v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tetcore_test_runtime_client`
[INFO] [stdout]    --> src/lib.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 |     use tetcore_test_runtime_client::{DefaultTestClientBuilderExt, TestClientBuilderExt};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `tetcore_test_runtime_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tetcore_test_runtime_client`
[INFO] [stdout]    --> src/lib.rs:254:17
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let builder = tetcore_test_runtime_client::TestClientBuilder::new();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `tetcore_test_runtime_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tp_blockchain::HeaderBackend`
[INFO] [stdout]    --> src/lib.rs:247:6
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use tp_blockchain::HeaderBackend;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tc-block-builder`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "067213c94f21e42dbc904bff70eac90a7a65c1c16603f108dcbb852c91816424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067213c94f21e42dbc904bff70eac90a7a65c1c16603f108dcbb852c91816424", kill_on_drop: false }`
[INFO] [stdout] 067213c94f21e42dbc904bff70eac90a7a65c1c16603f108dcbb852c91816424