[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 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-3/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] aa643e16da97fad184d54bbce138a3336fec7cfb2d7d4170dcd6bea7b53838b4
[INFO] running `"docker" "start" "-a" "aa643e16da97fad184d54bbce138a3336fec7cfb2d7d4170dcd6bea7b53838b4"`
[INFO] [stderr]    Compiling mex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "aa643e16da97fad184d54bbce138a3336fec7cfb2d7d4170dcd6bea7b53838b4"`
[INFO] running `"docker" "rm" "-f" "aa643e16da97fad184d54bbce138a3336fec7cfb2d7d4170dcd6bea7b53838b4"`
[INFO] [stdout] aa643e16da97fad184d54bbce138a3336fec7cfb2d7d4170dcd6bea7b53838b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6305788b728e19ea66c4f4f5d23c32b75d18e35dd8bb663d4f632d8e644f1a48
[INFO] running `"docker" "start" "-a" "6305788b728e19ea66c4f4f5d23c32b75d18e35dd8bb663d4f632d8e644f1a48"`
[INFO] [stderr]    Compiling mex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "6305788b728e19ea66c4f4f5d23c32b75d18e35dd8bb663d4f632d8e644f1a48"`
[INFO] running `"docker" "rm" "-f" "6305788b728e19ea66c4f4f5d23c32b75d18e35dd8bb663d4f632d8e644f1a48"`
[INFO] [stdout] 6305788b728e19ea66c4f4f5d23c32b75d18e35dd8bb663d4f632d8e644f1a48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2b094116e7eb10596013059934b6bf92dc326a65fd070569ffdf30b645568bbd
[INFO] running `"docker" "start" "-a" "2b094116e7eb10596013059934b6bf92dc326a65fd070569ffdf30b645568bbd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mex-e562ac64e46380f6
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mex-728c63dd501cae0c
[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]    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" "2b094116e7eb10596013059934b6bf92dc326a65fd070569ffdf30b645568bbd"`
[INFO] running `"docker" "rm" "-f" "2b094116e7eb10596013059934b6bf92dc326a65fd070569ffdf30b645568bbd"`
[INFO] [stdout] 2b094116e7eb10596013059934b6bf92dc326a65fd070569ffdf30b645568bbd