[INFO] crate ratio 0.0.0 is already in cache
[INFO] extracting crate ratio 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ratio/0.0.0
[INFO] extracting crate ratio 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ratio/0.0.0
[INFO] validating manifest of ratio-0.0.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ratio-0.0.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ratio-0.0.0
[INFO] finished frobbing ratio-0.0.0
[INFO] frobbed toml for ratio-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ratio/0.0.0/Cargo.toml
[INFO] started frobbing ratio-0.0.0
[INFO] finished frobbing ratio-0.0.0
[INFO] frobbed toml for ratio-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ratio/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ratio-0.0.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ratio/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bbc5df2247ad27a83d3c4844e0808211f33e4143bd7b6294620416f7e69c6753
[INFO] running `"docker" "start" "-a" "bbc5df2247ad27a83d3c4844e0808211f33e4143bd7b6294620416f7e69c6753"`
[INFO] [stderr]    Compiling ratio v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 |   /// SI-prefixes
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 31 | / ratio! {
[INFO] [stderr] 32 | |     Atto  => 1 / 1_000_000_000_000_000_000,
[INFO] [stderr] 33 | |     Femto => 1 / 1_000_000_000_000_000,
[INFO] [stderr] 34 | |     Pico  => 1 / 1_000_000_000_000,
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     Exa   => 1_000_000_000_000_000_000 / 1,
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[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 0.25s
[INFO] running `"docker" "inspect" "bbc5df2247ad27a83d3c4844e0808211f33e4143bd7b6294620416f7e69c6753"`
[INFO] running `"docker" "rm" "-f" "bbc5df2247ad27a83d3c4844e0808211f33e4143bd7b6294620416f7e69c6753"`
[INFO] [stdout] bbc5df2247ad27a83d3c4844e0808211f33e4143bd7b6294620416f7e69c6753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ratio/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 12891eccacd13b6bbd5ac2f05978e0e1072653a2abec99a9b660acd491192421
[INFO] running `"docker" "start" "-a" "12891eccacd13b6bbd5ac2f05978e0e1072653a2abec99a9b660acd491192421"`
[INFO] [stderr]    Compiling ratio v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 |   /// SI-prefixes
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 31 | / ratio! {
[INFO] [stderr] 32 | |     Atto  => 1 / 1_000_000_000_000_000_000,
[INFO] [stderr] 33 | |     Femto => 1 / 1_000_000_000_000_000,
[INFO] [stderr] 34 | |     Pico  => 1 / 1_000_000_000_000,
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     Exa   => 1_000_000_000_000_000_000 / 1,
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[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 0.35s
[INFO] running `"docker" "inspect" "12891eccacd13b6bbd5ac2f05978e0e1072653a2abec99a9b660acd491192421"`
[INFO] running `"docker" "rm" "-f" "12891eccacd13b6bbd5ac2f05978e0e1072653a2abec99a9b660acd491192421"`
[INFO] [stdout] 12891eccacd13b6bbd5ac2f05978e0e1072653a2abec99a9b660acd491192421
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ratio/0.0.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4f80e8b8eafe76fadde3fa712343a689ad87597efc4270927b9958816864f55e
[INFO] running `"docker" "start" "-a" "4f80e8b8eafe76fadde3fa712343a689ad87597efc4270927b9958816864f55e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ratio-a79b8efdee217ca6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ratio
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4f80e8b8eafe76fadde3fa712343a689ad87597efc4270927b9958816864f55e"`
[INFO] running `"docker" "rm" "-f" "4f80e8b8eafe76fadde3fa712343a689ad87597efc4270927b9958816864f55e"`
[INFO] [stdout] 4f80e8b8eafe76fadde3fa712343a689ad87597efc4270927b9958816864f55e