[INFO] updating cached repository alexcrichton/wasm-gc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexcrichton/wasm-gc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/wasm-gc" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/wasm-gc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/wasm-gc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/wasm-gc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/wasm-gc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/wasm-gc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] deb1c6dc3aec39a3f2bdc5595266212ead448490
[INFO] sha for GitHub repo alexcrichton/wasm-gc: deb1c6dc3aec39a3f2bdc5595266212ead448490
[INFO] validating manifest of alexcrichton/wasm-gc 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 alexcrichton/wasm-gc 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 alexcrichton/wasm-gc
[INFO] removed workspace from alexcrichton/wasm-gc
[INFO] removed path dependency wasm-gc-api from alexcrichton/wasm-gc
[INFO] finished frobbing alexcrichton/wasm-gc
[INFO] frobbed toml for alexcrichton/wasm-gc written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/wasm-gc/Cargo.toml
[INFO] started frobbing alexcrichton/wasm-gc
[INFO] removed workspace from alexcrichton/wasm-gc
[INFO] removed path dependency wasm-gc-api from alexcrichton/wasm-gc
[INFO] finished frobbing alexcrichton/wasm-gc
[INFO] frobbed toml for alexcrichton/wasm-gc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/wasm-gc/Cargo.toml
[INFO] crate alexcrichton/wasm-gc 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/wasm-gc/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexcrichton/wasm-gc 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/wasm-gc:/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] 9daec502f70d129d5cbdc7e3b867c2b48c25cfed47cc3451ff2ab1c64183f617
[INFO] running `"docker" "start" "-a" "9daec502f70d129d5cbdc7e3b867c2b48c25cfed47cc3451ff2ab1c64183f617"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling wasm-gc-api v0.1.11
[INFO] [stderr]    Compiling wasm-gc v0.1.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.59s
[INFO] running `"docker" "inspect" "9daec502f70d129d5cbdc7e3b867c2b48c25cfed47cc3451ff2ab1c64183f617"`
[INFO] running `"docker" "rm" "-f" "9daec502f70d129d5cbdc7e3b867c2b48c25cfed47cc3451ff2ab1c64183f617"`
[INFO] [stdout] 9daec502f70d129d5cbdc7e3b867c2b48c25cfed47cc3451ff2ab1c64183f617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/wasm-gc:/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] c586c234aec6796f1fb1d612ff8a4b77ec7adf7da85a7ce54f03c0b8a0660744
[INFO] running `"docker" "start" "-a" "c586c234aec6796f1fb1d612ff8a4b77ec7adf7da85a7ce54f03c0b8a0660744"`
[INFO] [stderr]    Compiling wasm-gc v0.1.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "c586c234aec6796f1fb1d612ff8a4b77ec7adf7da85a7ce54f03c0b8a0660744"`
[INFO] running `"docker" "rm" "-f" "c586c234aec6796f1fb1d612ff8a4b77ec7adf7da85a7ce54f03c0b8a0660744"`
[INFO] [stdout] c586c234aec6796f1fb1d612ff8a4b77ec7adf7da85a7ce54f03c0b8a0660744
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/wasm-gc:/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] 54c665af810a6749c5d4f45e0d6f81ab13f49b18cf3612446f60729d2905ca1e
[INFO] running `"docker" "start" "-a" "54c665af810a6749c5d4f45e0d6f81ab13f49b18cf3612446f60729d2905ca1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasm_gc-0941de69adcb26d6
[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" "54c665af810a6749c5d4f45e0d6f81ab13f49b18cf3612446f60729d2905ca1e"`
[INFO] running `"docker" "rm" "-f" "54c665af810a6749c5d4f45e0d6f81ab13f49b18cf3612446f60729d2905ca1e"`
[INFO] [stdout] 54c665af810a6749c5d4f45e0d6f81ab13f49b18cf3612446f60729d2905ca1e