[INFO] updating cached repository MoonL1ght/rust-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MoonL1ght/rust-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MoonL1ght/rust-wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MoonL1ght/rust-wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoonL1ght/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoonL1ght/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5de99b36a528967ae1b9ff7a5c7f222d0b2dcbbc
[INFO] sha for GitHub repo MoonL1ght/rust-wasm: 5de99b36a528967ae1b9ff7a5c7f222d0b2dcbbc
[INFO] validating manifest of MoonL1ght/rust-wasm 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 MoonL1ght/rust-wasm 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 MoonL1ght/rust-wasm
[INFO] finished frobbing MoonL1ght/rust-wasm
[INFO] frobbed toml for MoonL1ght/rust-wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/rust-wasm/Cargo.toml
[INFO] started frobbing MoonL1ght/rust-wasm
[INFO] finished frobbing MoonL1ght/rust-wasm
[INFO] frobbed toml for MoonL1ght/rust-wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoonL1ght/rust-wasm/Cargo.toml
[INFO] crate MoonL1ght/rust-wasm already has a lockfile, it will not be regenerated
[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 MoonL1ght/rust-wasm 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/rust-wasm:/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] 936877a2357ca3ec3352e7e47aeffbf825fd7ac765c337ce8545e1e1bc1e604b
[INFO] running `"docker" "start" "-a" "936877a2357ca3ec3352e7e47aeffbf825fd7ac765c337ce8545e1e1bc1e604b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.42
[INFO] [stderr]    Compiling wasm-bindgen v0.2.42
[INFO] [stderr]    Compiling rust-wasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.06s
[INFO] running `"docker" "inspect" "936877a2357ca3ec3352e7e47aeffbf825fd7ac765c337ce8545e1e1bc1e604b"`
[INFO] running `"docker" "rm" "-f" "936877a2357ca3ec3352e7e47aeffbf825fd7ac765c337ce8545e1e1bc1e604b"`
[INFO] [stdout] 936877a2357ca3ec3352e7e47aeffbf825fd7ac765c337ce8545e1e1bc1e604b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/rust-wasm:/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] d00838117bacac874c8e52db2ee1ab4d5d405c77d7dd3aef73a2a666369aed28
[INFO] running `"docker" "start" "-a" "d00838117bacac874c8e52db2ee1ab4d5d405c77d7dd3aef73a2a666369aed28"`
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.42
[INFO] [stderr]    Compiling js-sys v0.3.19
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.19
[INFO] [stderr]    Compiling wasm-bindgen-test v0.2.42
[INFO] [stderr]    Compiling rust-wasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `"docker" "inspect" "d00838117bacac874c8e52db2ee1ab4d5d405c77d7dd3aef73a2a666369aed28"`
[INFO] running `"docker" "rm" "-f" "d00838117bacac874c8e52db2ee1ab4d5d405c77d7dd3aef73a2a666369aed28"`
[INFO] [stdout] d00838117bacac874c8e52db2ee1ab4d5d405c77d7dd3aef73a2a666369aed28
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/MoonL1ght/rust-wasm:/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] 950a0869cb1cc7d68240aa743a9fd2438a4b9f420a18ac383e0698fee7a717eb
[INFO] running `"docker" "start" "-a" "950a0869cb1cc7d68240aa743a9fd2438a4b9f420a18ac383e0698fee7a717eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_wasm-17f80b8822d11af3
[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
[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" "950a0869cb1cc7d68240aa743a9fd2438a4b9f420a18ac383e0698fee7a717eb"`
[INFO] running `"docker" "rm" "-f" "950a0869cb1cc7d68240aa743a9fd2438a4b9f420a18ac383e0698fee7a717eb"`
[INFO] [stdout] 950a0869cb1cc7d68240aa743a9fd2438a4b9f420a18ac383e0698fee7a717eb