[INFO] crate sparkly 0.1.5 is already in cache
[INFO] extracting crate sparkly 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/sparkly/0.1.5
[INFO] extracting crate sparkly 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sparkly/0.1.5
[INFO] validating manifest of sparkly-0.1.5 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 sparkly-0.1.5 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 sparkly-0.1.5
[INFO] finished frobbing sparkly-0.1.5
[INFO] frobbed toml for sparkly-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sparkly/0.1.5/Cargo.toml
[INFO] started frobbing sparkly-0.1.5
[INFO] finished frobbing sparkly-0.1.5
[INFO] frobbed toml for sparkly-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sparkly/0.1.5/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 sparkly-0.1.5 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sparkly/0.1.5:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a09806b2a6a697a273e1f67c470b290dfe2dadbb1acbd29b54d3030f3ed8aad6
[INFO] running `"docker" "start" "-a" "a09806b2a6a697a273e1f67c470b290dfe2dadbb1acbd29b54d3030f3ed8aad6"`
[INFO] [stderr]    Compiling sparkly v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | macro_rules! impl_Display_for_Sparkly {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "a09806b2a6a697a273e1f67c470b290dfe2dadbb1acbd29b54d3030f3ed8aad6"`
[INFO] running `"docker" "rm" "-f" "a09806b2a6a697a273e1f67c470b290dfe2dadbb1acbd29b54d3030f3ed8aad6"`
[INFO] [stdout] a09806b2a6a697a273e1f67c470b290dfe2dadbb1acbd29b54d3030f3ed8aad6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sparkly/0.1.5:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f4c1a92b5406b32be6ed197a4b02c9ae2e45f49803a2dd63aa92d13cdb586de
[INFO] running `"docker" "start" "-a" "6f4c1a92b5406b32be6ed197a4b02c9ae2e45f49803a2dd63aa92d13cdb586de"`
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling proptest v0.7.2
[INFO] [stderr]    Compiling sparkly v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | macro_rules! impl_Display_for_Sparkly {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![warn(missing_docs)]
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.82s
[INFO] running `"docker" "inspect" "6f4c1a92b5406b32be6ed197a4b02c9ae2e45f49803a2dd63aa92d13cdb586de"`
[INFO] running `"docker" "rm" "-f" "6f4c1a92b5406b32be6ed197a4b02c9ae2e45f49803a2dd63aa92d13cdb586de"`
[INFO] [stdout] 6f4c1a92b5406b32be6ed197a4b02c9ae2e45f49803a2dd63aa92d13cdb586de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/sparkly/0.1.5:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6c4a40aa02b1cb0aa862d9e3c9bde0a1d62cdc286387063bf32c66ec78e30ecd
[INFO] running `"docker" "start" "-a" "6c4a40aa02b1cb0aa862d9e3c9bde0a1d62cdc286387063bf32c66ec78e30ecd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sparkly-37754346bf01dd0e
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::sexpr::atom ... ok
[INFO] [stdout] test tests::misc_1 ... ok
[INFO] [stdout] test tests::impl_bounds::display_works ... ok
[INFO] [stdout] test tests::sexpr::wrapping ... ok
[INFO] [stdout] test tests::sexpr::empty ... ok
[INFO] [stdout] test tests::sexpr::not_wrapping ... ok
[INFO] [stdout] test tests::sexpr::display_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparkly
[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" "6c4a40aa02b1cb0aa862d9e3c9bde0a1d62cdc286387063bf32c66ec78e30ecd"`
[INFO] running `"docker" "rm" "-f" "6c4a40aa02b1cb0aa862d9e3c9bde0a1d62cdc286387063bf32c66ec78e30ecd"`
[INFO] [stdout] 6c4a40aa02b1cb0aa862d9e3c9bde0a1d62cdc286387063bf32c66ec78e30ecd