[INFO] updating cached repository kirjavascript/duplex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kirjavascript/duplex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/duplex" "work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/duplex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/duplex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kirjavascript/duplex" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/duplex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/duplex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ff204f7567bf071b46cece9f502f839e4e3c23f
[INFO] sha for GitHub repo kirjavascript/duplex: 4ff204f7567bf071b46cece9f502f839e4e3c23f
[INFO] validating manifest of kirjavascript/duplex 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 kirjavascript/duplex 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 kirjavascript/duplex
[INFO] finished frobbing kirjavascript/duplex
[INFO] frobbed toml for kirjavascript/duplex written to work/ex/beta-1.38-1/sources/1.37.0/gh/kirjavascript/duplex/Cargo.toml
[INFO] started frobbing kirjavascript/duplex
[INFO] finished frobbing kirjavascript/duplex
[INFO] frobbed toml for kirjavascript/duplex written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirjavascript/duplex/Cargo.toml
[INFO] crate kirjavascript/duplex 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 kirjavascript/duplex 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/kirjavascript/duplex:/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] 8ebaaa9c3a179d2e5b5af0a8794aa610065d9e619e0ae885a65b00b22fc9aa2a
[INFO] running `"docker" "start" "-a" "8ebaaa9c3a179d2e5b5af0a8794aa610065d9e619e0ae885a65b00b22fc9aa2a"`
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling duplex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.15s
[INFO] running `"docker" "inspect" "8ebaaa9c3a179d2e5b5af0a8794aa610065d9e619e0ae885a65b00b22fc9aa2a"`
[INFO] running `"docker" "rm" "-f" "8ebaaa9c3a179d2e5b5af0a8794aa610065d9e619e0ae885a65b00b22fc9aa2a"`
[INFO] [stdout] 8ebaaa9c3a179d2e5b5af0a8794aa610065d9e619e0ae885a65b00b22fc9aa2a
[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/kirjavascript/duplex:/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] 4bed039101950cacf173138178004698acec57d436a02d9ab8d228a07682a0bb
[INFO] running `"docker" "start" "-a" "4bed039101950cacf173138178004698acec57d436a02d9ab8d228a07682a0bb"`
[INFO] [stderr]    Compiling duplex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `"docker" "inspect" "4bed039101950cacf173138178004698acec57d436a02d9ab8d228a07682a0bb"`
[INFO] running `"docker" "rm" "-f" "4bed039101950cacf173138178004698acec57d436a02d9ab8d228a07682a0bb"`
[INFO] [stdout] 4bed039101950cacf173138178004698acec57d436a02d9ab8d228a07682a0bb
[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/kirjavascript/duplex:/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] 6e9173c8dbde5b89faa9338935df46d1552f5c040007ad9f751d32c351f6a9f5
[INFO] running `"docker" "start" "-a" "6e9173c8dbde5b89faa9338935df46d1552f5c040007ad9f751d32c351f6a9f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/duplex-1bb36d6deaffa63d
[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" "6e9173c8dbde5b89faa9338935df46d1552f5c040007ad9f751d32c351f6a9f5"`
[INFO] running `"docker" "rm" "-f" "6e9173c8dbde5b89faa9338935df46d1552f5c040007ad9f751d32c351f6a9f5"`
[INFO] [stdout] 6e9173c8dbde5b89faa9338935df46d1552f5c040007ad9f751d32c351f6a9f5