[INFO] updating cached repository sirkibsirkib/serde_varint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sirkibsirkib/serde_varint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/serde_varint" "work/ex/beta-1.38-1/sources/1.37.0/gh/sirkibsirkib/serde_varint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sirkibsirkib/serde_varint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/serde_varint" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sirkibsirkib/serde_varint"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sirkibsirkib/serde_varint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1dfb90b28f55773af4bd03945afa0194f58ac369
[INFO] sha for GitHub repo sirkibsirkib/serde_varint: 1dfb90b28f55773af4bd03945afa0194f58ac369
[INFO] validating manifest of sirkibsirkib/serde_varint 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 sirkibsirkib/serde_varint 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 sirkibsirkib/serde_varint
[INFO] finished frobbing sirkibsirkib/serde_varint
[INFO] frobbed toml for sirkibsirkib/serde_varint written to work/ex/beta-1.38-1/sources/1.37.0/gh/sirkibsirkib/serde_varint/Cargo.toml
[INFO] started frobbing sirkibsirkib/serde_varint
[INFO] finished frobbing sirkibsirkib/serde_varint
[INFO] frobbed toml for sirkibsirkib/serde_varint written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sirkibsirkib/serde_varint/Cargo.toml
[INFO] crate sirkibsirkib/serde_varint 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sirkibsirkib/serde_varint 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-2/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/sirkibsirkib/serde_varint:/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] aa29ea85d490502572945836cb7961f613cfd4941a9163ef0ff17cee17063bc7
[INFO] running `"docker" "start" "-a" "aa29ea85d490502572945836cb7961f613cfd4941a9163ef0ff17cee17063bc7"`
[INFO] [stderr]    Compiling integer-encoding v1.0.5
[INFO] [stderr]    Compiling varint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "aa29ea85d490502572945836cb7961f613cfd4941a9163ef0ff17cee17063bc7"`
[INFO] running `"docker" "rm" "-f" "aa29ea85d490502572945836cb7961f613cfd4941a9163ef0ff17cee17063bc7"`
[INFO] [stdout] aa29ea85d490502572945836cb7961f613cfd4941a9163ef0ff17cee17063bc7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/sirkibsirkib/serde_varint:/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] c5b9c398ad00ef842774384a67a623472c894672d775e92155fa86225582704f
[INFO] running `"docker" "start" "-a" "c5b9c398ad00ef842774384a67a623472c894672d775e92155fa86225582704f"`
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling varint v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `"docker" "inspect" "c5b9c398ad00ef842774384a67a623472c894672d775e92155fa86225582704f"`
[INFO] running `"docker" "rm" "-f" "c5b9c398ad00ef842774384a67a623472c894672d775e92155fa86225582704f"`
[INFO] [stdout] c5b9c398ad00ef842774384a67a623472c894672d775e92155fa86225582704f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/sirkibsirkib/serde_varint:/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] fa475db83212151fd6a2bc2617f8db30d6ef0cf6b091828d6fceb9abb4ad02dd
[INFO] running `"docker" "start" "-a" "fa475db83212151fd6a2bc2617f8db30d6ef0cf6b091828d6fceb9abb4ad02dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/varint-cb33453f5dd58763
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::incomplete ... ok
[INFO] [stdout] test tests::json ... ok
[INFO] [stdout] test tests::varying_byte_size ... ok
[INFO] [stdout] test tests::comparing ... ok
[INFO] [stdout] test tests::one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varint
[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" "fa475db83212151fd6a2bc2617f8db30d6ef0cf6b091828d6fceb9abb4ad02dd"`
[INFO] running `"docker" "rm" "-f" "fa475db83212151fd6a2bc2617f8db30d6ef0cf6b091828d6fceb9abb4ad02dd"`
[INFO] [stdout] fa475db83212151fd6a2bc2617f8db30d6ef0cf6b091828d6fceb9abb4ad02dd