[INFO] fetching crate rtdlib 1.7.1...
[INFO] checking rtdlib-1.7.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rtdlib 1.7.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rtdlib 1.7.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtdlib 1.7.1
[INFO] finished tweaking crates.io crate rtdlib 1.7.1
[INFO] tweaked toml for crates.io crate rtdlib 1.7.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5147ea39683de9a981dade16ef9d416440fe43e201bfb2d36b818c4417fddedc
[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" "5147ea39683de9a981dade16ef9d416440fe43e201bfb2d36b818c4417fddedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5147ea39683de9a981dade16ef9d416440fe43e201bfb2d36b818c4417fddedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5147ea39683de9a981dade16ef9d416440fe43e201bfb2d36b818c4417fddedc", kill_on_drop: false }`
[INFO] [stdout] 5147ea39683de9a981dade16ef9d416440fe43e201bfb2d36b818c4417fddedc
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111836804f457c71dc0450ced502f8eabf23297bdbb1f17c91352acb410aa43e
[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" "111836804f457c71dc0450ced502f8eabf23297bdbb1f17c91352acb410aa43e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking rtdlib v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rtdlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rtdlib --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=4d6762a959960c76 -C extra-filename=-4d6762a959960c76 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-03ec35c43afa7154.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3ca0e0d5c92dd10d.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-178849cb4d8af157.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3d3cff6f01241611.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-576bbffb45a04929.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-2e9e2db1a772afd6.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]     --> src/types/_common.rs:1404:10
[INFO] [stdout]      |
[INFO] [stdout] 1404 |       Ok(t) => {},
[INFO] [stdout]      |          ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/types/_common.rs:1411:44
[INFO] [stdout]      |
[INFO] [stdout] 1411 |           TdType::UpdateAuthorizationState(v) => {},
[INFO] [stdout]      |                                            ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "111836804f457c71dc0450ced502f8eabf23297bdbb1f17c91352acb410aa43e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111836804f457c71dc0450ced502f8eabf23297bdbb1f17c91352acb410aa43e", kill_on_drop: false }`
[INFO] [stdout] 111836804f457c71dc0450ced502f8eabf23297bdbb1f17c91352acb410aa43e