[INFO] crate programinduction 0.8.0 is already in cache
[INFO] checking programinduction-0.8.0 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate programinduction 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate programinduction 0.8.0 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate programinduction 0.8.0
[INFO] finished tweaking crates.io crate programinduction 0.8.0
[INFO] tweaked toml for crates.io crate programinduction 0.8.0 written to /workspace/builds/worker-10/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 795fac85d7eebf888dbeea7d4dc1a8fc0306f345d73209e7c11ae9c3c4bb6e0d
[INFO] running `"docker" "start" "-a" "795fac85d7eebf888dbeea7d4dc1a8fc0306f345d73209e7c11ae9c3c4bb6e0d"`
[INFO] [stderr]     Checking term_rewriting v0.5.0
[INFO] [stderr]     Checking polytype v6.1.1
[INFO] [stderr]     Checking programinduction v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/lambda.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     /// an index never makes sense outside of an application or lambda body.
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `"docker" "inspect" "795fac85d7eebf888dbeea7d4dc1a8fc0306f345d73209e7c11ae9c3c4bb6e0d"`
[INFO] running `"docker" "rm" "-f" "795fac85d7eebf888dbeea7d4dc1a8fc0306f345d73209e7c11ae9c3c4bb6e0d"`
[INFO] [stdout] 795fac85d7eebf888dbeea7d4dc1a8fc0306f345d73209e7c11ae9c3c4bb6e0d