[INFO] updating cached repository tamamu/gmml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tamamu/gmml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tamamu/gmml" "work/ex/beta-1.38-1/sources/1.37.0/gh/tamamu/gmml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tamamu/gmml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tamamu/gmml" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tamamu/gmml"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tamamu/gmml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62efdd50353d41e015058187aec6d0422a14ee2b
[INFO] sha for GitHub repo tamamu/gmml: 62efdd50353d41e015058187aec6d0422a14ee2b
[INFO] validating manifest of tamamu/gmml 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 tamamu/gmml 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 tamamu/gmml
[INFO] finished frobbing tamamu/gmml
[INFO] frobbed toml for tamamu/gmml written to work/ex/beta-1.38-1/sources/1.37.0/gh/tamamu/gmml/Cargo.toml
[INFO] started frobbing tamamu/gmml
[INFO] finished frobbing tamamu/gmml
[INFO] frobbed toml for tamamu/gmml written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tamamu/gmml/Cargo.toml
[INFO] crate tamamu/gmml 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 tamamu/gmml 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/tamamu/gmml:/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] 6312cc14b21c9ea472fbc730ab02da27cd5ee24b680ccd5c7f3b00680fb98e2e
[INFO] running `"docker" "start" "-a" "6312cc14b21c9ea472fbc730ab02da27cd5ee24b680ccd5c7f3b00680fb98e2e"`
[INFO] [stderr]    Compiling gmml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/bin/gmml.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "6312cc14b21c9ea472fbc730ab02da27cd5ee24b680ccd5c7f3b00680fb98e2e"`
[INFO] running `"docker" "rm" "-f" "6312cc14b21c9ea472fbc730ab02da27cd5ee24b680ccd5c7f3b00680fb98e2e"`
[INFO] [stdout] 6312cc14b21c9ea472fbc730ab02da27cd5ee24b680ccd5c7f3b00680fb98e2e
[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/tamamu/gmml:/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] 3bc95f289d01f2c3c6cafd7654c0d9813bb11deb29c843afbcc6d94abb89cc67
[INFO] running `"docker" "start" "-a" "3bc95f289d01f2c3c6cafd7654c0d9813bb11deb29c843afbcc6d94abb89cc67"`
[INFO] [stderr]    Compiling gmml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/bin/gmml.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "3bc95f289d01f2c3c6cafd7654c0d9813bb11deb29c843afbcc6d94abb89cc67"`
[INFO] running `"docker" "rm" "-f" "3bc95f289d01f2c3c6cafd7654c0d9813bb11deb29c843afbcc6d94abb89cc67"`
[INFO] [stdout] 3bc95f289d01f2c3c6cafd7654c0d9813bb11deb29c843afbcc6d94abb89cc67
[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/tamamu/gmml:/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] ddfc04099d49e06784df65eca1079c72fb1791c5697cd16590651a3fe89c718b
[INFO] running `"docker" "start" "-a" "ddfc04099d49e06784df65eca1079c72fb1791c5697cd16590651a3fe89c718b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gmml-3cfaaf128aca10e1
[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/gmml-75635836d440b9ca
[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/example-dde1225e4aa92a49
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::parse_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gmml
[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" "ddfc04099d49e06784df65eca1079c72fb1791c5697cd16590651a3fe89c718b"`
[INFO] running `"docker" "rm" "-f" "ddfc04099d49e06784df65eca1079c72fb1791c5697cd16590651a3fe89c718b"`
[INFO] [stdout] ddfc04099d49e06784df65eca1079c72fb1791c5697cd16590651a3fe89c718b