[INFO] updating cached repository mgattozzi/cargo-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mgattozzi/cargo-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mgattozzi/cargo-wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mgattozzi/cargo-wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/cargo-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/cargo-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b9392c43b82359094024872c7a4aff6e5adc0e1
[INFO] sha for GitHub repo mgattozzi/cargo-wasm: 7b9392c43b82359094024872c7a4aff6e5adc0e1
[INFO] validating manifest of mgattozzi/cargo-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 mgattozzi/cargo-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 mgattozzi/cargo-wasm
[INFO] finished frobbing mgattozzi/cargo-wasm
[INFO] frobbed toml for mgattozzi/cargo-wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-wasm/Cargo.toml
[INFO] started frobbing mgattozzi/cargo-wasm
[INFO] finished frobbing mgattozzi/cargo-wasm
[INFO] frobbed toml for mgattozzi/cargo-wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mgattozzi/cargo-wasm/Cargo.toml
[INFO] crate mgattozzi/cargo-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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-wasm/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mgattozzi/cargo-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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-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] 4eeb1e69b499808acba274becfe4b36c73ea774f7b3891e6400a416c3dc26b14
[INFO] running `"docker" "start" "-a" "4eeb1e69b499808acba274becfe4b36c73ea774f7b3891e6400a416c3dc26b14"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling cargo-wasm v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "4eeb1e69b499808acba274becfe4b36c73ea774f7b3891e6400a416c3dc26b14"`
[INFO] running `"docker" "rm" "-f" "4eeb1e69b499808acba274becfe4b36c73ea774f7b3891e6400a416c3dc26b14"`
[INFO] [stdout] 4eeb1e69b499808acba274becfe4b36c73ea774f7b3891e6400a416c3dc26b14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-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] 0cdbd8e2202518c1e5dd33fc19b6f4eac0fdfb42aa290fe3b25b04a1b0c40b53
[INFO] running `"docker" "start" "-a" "0cdbd8e2202518c1e5dd33fc19b6f4eac0fdfb42aa290fe3b25b04a1b0c40b53"`
[INFO] [stderr]    Compiling cargo-wasm v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "0cdbd8e2202518c1e5dd33fc19b6f4eac0fdfb42aa290fe3b25b04a1b0c40b53"`
[INFO] running `"docker" "rm" "-f" "0cdbd8e2202518c1e5dd33fc19b6f4eac0fdfb42aa290fe3b25b04a1b0c40b53"`
[INFO] [stdout] 0cdbd8e2202518c1e5dd33fc19b6f4eac0fdfb42aa290fe3b25b04a1b0c40b53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mgattozzi/cargo-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] b65f1a0ebd844adf8e5f75dbc1ed792b9c9c633e8a2223d2d4cc1cfa006c7f4d
[INFO] running `"docker" "start" "-a" "b65f1a0ebd844adf8e5f75dbc1ed792b9c9c633e8a2223d2d4cc1cfa006c7f4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_wasm-559f79b35a0ccdda
[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" "b65f1a0ebd844adf8e5f75dbc1ed792b9c9c633e8a2223d2d4cc1cfa006c7f4d"`
[INFO] running `"docker" "rm" "-f" "b65f1a0ebd844adf8e5f75dbc1ed792b9c9c633e8a2223d2d4cc1cfa006c7f4d"`
[INFO] [stdout] b65f1a0ebd844adf8e5f75dbc1ed792b9c9c633e8a2223d2d4cc1cfa006c7f4d