[INFO] crate ratio 0.0.0 is already in cache
[INFO] checking ratio-0.0.0 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate ratio 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ratio 0.0.0 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ratio 0.0.0
[INFO] finished tweaking crates.io crate ratio 0.0.0
[INFO] tweaked toml for crates.io crate ratio 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7d4e3024eefe974cf9006eb68acc7cc11646c2574a3067aad5a83332193b22
[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" "ad7d4e3024eefe974cf9006eb68acc7cc11646c2574a3067aad5a83332193b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7d4e3024eefe974cf9006eb68acc7cc11646c2574a3067aad5a83332193b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7d4e3024eefe974cf9006eb68acc7cc11646c2574a3067aad5a83332193b22", kill_on_drop: false }`
[INFO] [stdout] ad7d4e3024eefe974cf9006eb68acc7cc11646c2574a3067aad5a83332193b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a11ab62803204969b21516a967c646c1bc974dd850652de5298c6eea9e215d2
[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" "7a11ab62803204969b21516a967c646c1bc974dd850652de5298c6eea9e215d2", kill_on_drop: false }`
[INFO] [stderr]     Checking ratio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | /// SI-prefixes
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | /// SI-prefixes
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "7a11ab62803204969b21516a967c646c1bc974dd850652de5298c6eea9e215d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a11ab62803204969b21516a967c646c1bc974dd850652de5298c6eea9e215d2", kill_on_drop: false }`
[INFO] [stdout] 7a11ab62803204969b21516a967c646c1bc974dd850652de5298c6eea9e215d2