[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 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ce64a54c09bc5cced3fda4f02c61669a01147319e2b384fe3350cb9b277ed476
[INFO] running `"docker" "start" "-a" "ce64a54c09bc5cced3fda4f02c61669a01147319e2b384fe3350cb9b277ed476"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 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 16.84s
[INFO] running `"docker" "inspect" "ce64a54c09bc5cced3fda4f02c61669a01147319e2b384fe3350cb9b277ed476"`
[INFO] running `"docker" "rm" "-f" "ce64a54c09bc5cced3fda4f02c61669a01147319e2b384fe3350cb9b277ed476"`
[INFO] [stdout] ce64a54c09bc5cced3fda4f02c61669a01147319e2b384fe3350cb9b277ed476
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 710b877cd50c4cf36b10c69406ec7df3f88d8d12b43fea1c7977519dc223a14e
[INFO] running `"docker" "start" "-a" "710b877cd50c4cf36b10c69406ec7df3f88d8d12b43fea1c7977519dc223a14e"`
[INFO] [stderr]    Compiling wasm-gc v0.1.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "710b877cd50c4cf36b10c69406ec7df3f88d8d12b43fea1c7977519dc223a14e"`
[INFO] running `"docker" "rm" "-f" "710b877cd50c4cf36b10c69406ec7df3f88d8d12b43fea1c7977519dc223a14e"`
[INFO] [stdout] 710b877cd50c4cf36b10c69406ec7df3f88d8d12b43fea1c7977519dc223a14e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 99fa80f919bf92cc9578a849e96b7311315b462d4d6cd076a4d5e1ebfa7524cb
[INFO] running `"docker" "start" "-a" "99fa80f919bf92cc9578a849e96b7311315b462d4d6cd076a4d5e1ebfa7524cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasm_gc-7a7b19c3a3fb10d3
[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" "99fa80f919bf92cc9578a849e96b7311315b462d4d6cd076a4d5e1ebfa7524cb"`
[INFO] running `"docker" "rm" "-f" "99fa80f919bf92cc9578a849e96b7311315b462d4d6cd076a4d5e1ebfa7524cb"`
[INFO] [stdout] 99fa80f919bf92cc9578a849e96b7311315b462d4d6cd076a4d5e1ebfa7524cb