[INFO] crate owasm-std 0.20.1 is already in cache
[INFO] extracting crate owasm-std 0.20.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/owasm-std/0.20.1
[INFO] extracting crate owasm-std 0.20.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owasm-std/0.20.1
[INFO] validating manifest of owasm-std-0.20.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of owasm-std-0.20.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing owasm-std-0.20.1
[INFO] finished frobbing owasm-std-0.20.1
[INFO] frobbed toml for owasm-std-0.20.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/owasm-std/0.20.1/Cargo.toml
[INFO] started frobbing owasm-std-0.20.1
[INFO] finished frobbing owasm-std-0.20.1
[INFO] frobbed toml for owasm-std-0.20.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owasm-std/0.20.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing owasm-std-0.20.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owasm-std/0.20.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5bed263d4b1e40f087cbaa9dca5a071a5e143674c27a913d7ea4d4c1bc103ed4
[INFO] running `"docker" "start" "-a" "5bed263d4b1e40f087cbaa9dca5a071a5e143674c27a913d7ea4d4c1bc103ed4"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling uint v0.6.1
[INFO] [stderr]    Compiling owasm-std v0.20.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/types.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stderr] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stderr]   | |_______________________________________________________________________________^
[INFO] [stderr] 3 | 
[INFO] [stderr] 4 | / construct_uint! {
[INFO] [stderr] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stderr] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stderr] 7 | |     pub struct U256(4);
[INFO] [stderr] 8 | | }
[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 5.32s
[INFO] running `"docker" "inspect" "5bed263d4b1e40f087cbaa9dca5a071a5e143674c27a913d7ea4d4c1bc103ed4"`
[INFO] running `"docker" "rm" "-f" "5bed263d4b1e40f087cbaa9dca5a071a5e143674c27a913d7ea4d4c1bc103ed4"`
[INFO] [stdout] 5bed263d4b1e40f087cbaa9dca5a071a5e143674c27a913d7ea4d4c1bc103ed4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owasm-std/0.20.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9437c061cd05db72ff5ea5b94fe7779eca5d76e4d33391130a24570ae513f881
[INFO] running `"docker" "start" "-a" "9437c061cd05db72ff5ea5b94fe7779eca5d76e4d33391130a24570ae513f881"`
[INFO] [stderr]    Compiling owasm-std v0.20.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/types.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / ///! Provides primitive fixed size hash types.
[INFO] [stderr] 2 | | ///! Based on https://github.com/paritytech/pwasm-std/blob/61db712/src/types.rs
[INFO] [stderr]   | |_______________________________________________________________________________^
[INFO] [stderr] 3 | 
[INFO] [stderr] 4 | / construct_uint! {
[INFO] [stderr] 5 | |     /// A 256-bits (4 64-bit word) fixed-size bigint type.
[INFO] [stderr] 6 | |     #[derive(Serialize, Deserialize)]
[INFO] [stderr] 7 | |     pub struct U256(4);
[INFO] [stderr] 8 | | }
[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 1.27s
[INFO] running `"docker" "inspect" "9437c061cd05db72ff5ea5b94fe7779eca5d76e4d33391130a24570ae513f881"`
[INFO] running `"docker" "rm" "-f" "9437c061cd05db72ff5ea5b94fe7779eca5d76e4d33391130a24570ae513f881"`
[INFO] [stdout] 9437c061cd05db72ff5ea5b94fe7779eca5d76e4d33391130a24570ae513f881
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/owasm-std/0.20.1:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 2f52142f22c1e1680833f0e5e483efc3290098aeb26155318d0c8418476fe811
[INFO] running `"docker" "start" "-a" "2f52142f22c1e1680833f0e5e483efc3290098aeb26155318d0c8418476fe811"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/owasm_std-e342839b0ed55736
[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 owasm-std
[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" "2f52142f22c1e1680833f0e5e483efc3290098aeb26155318d0c8418476fe811"`
[INFO] running `"docker" "rm" "-f" "2f52142f22c1e1680833f0e5e483efc3290098aeb26155318d0c8418476fe811"`
[INFO] [stdout] 2f52142f22c1e1680833f0e5e483efc3290098aeb26155318d0c8418476fe811