[INFO] updating cached repository zac-garby/mex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zac-garby/mex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zac-garby/mex" "work/ex/beta-1.38-1/sources/1.37.0/gh/zac-garby/mex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zac-garby/mex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zac-garby/mex" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zac-garby/mex"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zac-garby/mex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e9c0b3f7a77a4fdb493b0eb1c7a48f3775fdf10
[INFO] sha for GitHub repo zac-garby/mex: 2e9c0b3f7a77a4fdb493b0eb1c7a48f3775fdf10
[INFO] validating manifest of zac-garby/mex 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 zac-garby/mex 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 zac-garby/mex
[INFO] finished frobbing zac-garby/mex
[INFO] frobbed toml for zac-garby/mex written to work/ex/beta-1.38-1/sources/1.37.0/gh/zac-garby/mex/Cargo.toml
[INFO] started frobbing zac-garby/mex
[INFO] finished frobbing zac-garby/mex
[INFO] frobbed toml for zac-garby/mex written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zac-garby/mex/Cargo.toml
[INFO] crate zac-garby/mex 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 zac-garby/mex 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zac-garby/mex:/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] 3c83cc7841b74191d3f97715b57bfa87ed34a1a50cf71d872c58dce2d752b08e
[INFO] running `"docker" "start" "-a" "3c83cc7841b74191d3f97715b57bfa87ed34a1a50cf71d872c58dce2d752b08e"`
[INFO] [stderr]    Compiling mex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "3c83cc7841b74191d3f97715b57bfa87ed34a1a50cf71d872c58dce2d752b08e"`
[INFO] running `"docker" "rm" "-f" "3c83cc7841b74191d3f97715b57bfa87ed34a1a50cf71d872c58dce2d752b08e"`
[INFO] [stdout] 3c83cc7841b74191d3f97715b57bfa87ed34a1a50cf71d872c58dce2d752b08e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zac-garby/mex:/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] f5152bb219cbcdff15766651b87d5963f864340a8493531d067cda01b2b324d0
[INFO] running `"docker" "start" "-a" "f5152bb219cbcdff15766651b87d5963f864340a8493531d067cda01b2b324d0"`
[INFO] [stderr]    Compiling mex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "f5152bb219cbcdff15766651b87d5963f864340a8493531d067cda01b2b324d0"`
[INFO] running `"docker" "rm" "-f" "f5152bb219cbcdff15766651b87d5963f864340a8493531d067cda01b2b324d0"`
[INFO] [stdout] f5152bb219cbcdff15766651b87d5963f864340a8493531d067cda01b2b324d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/zac-garby/mex:/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] 09b996ff89dd1079d98aea883e01b4002ad62fcc2d40bfc16fc0f2994b57ec49
[INFO] running `"docker" "start" "-a" "09b996ff89dd1079d98aea883e01b4002ad62fcc2d40bfc16fc0f2994b57ec49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mex-1ec8b634beab07b7
[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] [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] [stderr]      Running /opt/crater/target/debug/deps/mex-e75fa98b02f53cbc
[INFO] [stderr]    Doc-tests mex
[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" "09b996ff89dd1079d98aea883e01b4002ad62fcc2d40bfc16fc0f2994b57ec49"`
[INFO] running `"docker" "rm" "-f" "09b996ff89dd1079d98aea883e01b4002ad62fcc2d40bfc16fc0f2994b57ec49"`
[INFO] [stdout] 09b996ff89dd1079d98aea883e01b4002ad62fcc2d40bfc16fc0f2994b57ec49