[INFO] crate rust-wasm-prelude 0.3.0 is already in cache
[INFO] extracting crate rust-wasm-prelude 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-wasm-prelude/0.3.0
[INFO] extracting crate rust-wasm-prelude 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-wasm-prelude/0.3.0
[INFO] validating manifest of rust-wasm-prelude-0.3.0 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 rust-wasm-prelude-0.3.0 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 rust-wasm-prelude-0.3.0
[INFO] finished frobbing rust-wasm-prelude-0.3.0
[INFO] frobbed toml for rust-wasm-prelude-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-wasm-prelude/0.3.0/Cargo.toml
[INFO] started frobbing rust-wasm-prelude-0.3.0
[INFO] finished frobbing rust-wasm-prelude-0.3.0
[INFO] frobbed toml for rust-wasm-prelude-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-wasm-prelude/0.3.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-wasm-prelude-0.3.0 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-7/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/rust-wasm-prelude/0.3.0:/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] 18573bc8c669a5eb44104566dcedd34c69f8209ddcea9202ecc1163c404502e2
[INFO] running `"docker" "start" "-a" "18573bc8c669a5eb44104566dcedd34c69f8209ddcea9202ecc1163c404502e2"`
[INFO] [stderr]    Compiling rust-wasm-prelude v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "18573bc8c669a5eb44104566dcedd34c69f8209ddcea9202ecc1163c404502e2"`
[INFO] running `"docker" "rm" "-f" "18573bc8c669a5eb44104566dcedd34c69f8209ddcea9202ecc1163c404502e2"`
[INFO] [stdout] 18573bc8c669a5eb44104566dcedd34c69f8209ddcea9202ecc1163c404502e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/rust-wasm-prelude/0.3.0:/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] ceabaad9f1007a6ddd61548dd90ba96a7c43e962d466f05fcfb074f1ce083963
[INFO] running `"docker" "start" "-a" "ceabaad9f1007a6ddd61548dd90ba96a7c43e962d466f05fcfb074f1ce083963"`
[INFO] [stderr]    Compiling rust-wasm-prelude v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "ceabaad9f1007a6ddd61548dd90ba96a7c43e962d466f05fcfb074f1ce083963"`
[INFO] running `"docker" "rm" "-f" "ceabaad9f1007a6ddd61548dd90ba96a7c43e962d466f05fcfb074f1ce083963"`
[INFO] [stdout] ceabaad9f1007a6ddd61548dd90ba96a7c43e962d466f05fcfb074f1ce083963
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/rust-wasm-prelude/0.3.0:/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] 3b68736c9e75035c79738578decf801ca3cf427b0a968124ddb32924250d255c
[INFO] running `"docker" "start" "-a" "3b68736c9e75035c79738578decf801ca3cf427b0a968124ddb32924250d255c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm_prelude-3c1e4250600f59c3
[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 rust_wasm_prelude
[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" "3b68736c9e75035c79738578decf801ca3cf427b0a968124ddb32924250d255c"`
[INFO] running `"docker" "rm" "-f" "3b68736c9e75035c79738578decf801ca3cf427b0a968124ddb32924250d255c"`
[INFO] [stdout] 3b68736c9e75035c79738578decf801ca3cf427b0a968124ddb32924250d255c