[INFO] crate hot-ranking-algorithm-rust 1.0.1 is already in cache
[INFO] checking hot-ranking-algorithm-rust-1.0.1 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate hot-ranking-algorithm-rust 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hot-ranking-algorithm-rust 1.0.1 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hot-ranking-algorithm-rust 1.0.1
[INFO] finished tweaking crates.io crate hot-ranking-algorithm-rust 1.0.1
[INFO] tweaked toml for crates.io crate hot-ranking-algorithm-rust 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d26bdde10864eed173b1c441c31f924d3e2d98c7edd3075c2e5f5228c59b8d8
[INFO] running `"docker" "start" "-a" "6d26bdde10864eed173b1c441c31f924d3e2d98c7edd3075c2e5f5228c59b8d8"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cargo_metadata v0.1.2
[INFO] [stderr]    Compiling clippy_lints v0.0.124
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.124/src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(custom_attribute)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.124/src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | extern crate syntax;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `clippy_lints`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6d26bdde10864eed173b1c441c31f924d3e2d98c7edd3075c2e5f5228c59b8d8"`
[INFO] running `"docker" "rm" "-f" "6d26bdde10864eed173b1c441c31f924d3e2d98c7edd3075c2e5f5228c59b8d8"`
[INFO] [stdout] 6d26bdde10864eed173b1c441c31f924d3e2d98c7edd3075c2e5f5228c59b8d8