[INFO] updating cached repository matklad/mom
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matklad/mom
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/mom" "work/ex/beta-1.37-6/sources/1.36.0/gh/matklad/mom"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/matklad/mom'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matklad/mom" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matklad/mom"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matklad/mom'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eaae5dce5c696f0328e57e9ab20a8f0b134b6a1f
[INFO] sha for GitHub repo matklad/mom: eaae5dce5c696f0328e57e9ab20a8f0b134b6a1f
[INFO] validating manifest of matklad/mom on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of matklad/mom on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing matklad/mom
[INFO] finished frobbing matklad/mom
[INFO] frobbed toml for matklad/mom written to work/ex/beta-1.37-6/sources/1.36.0/gh/matklad/mom/Cargo.toml
[INFO] started frobbing matklad/mom
[INFO] finished frobbing matklad/mom
[INFO] frobbed toml for matklad/mom written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matklad/mom/Cargo.toml
[INFO] crate matklad/mom already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/matklad/mom/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing matklad/mom against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matklad/mom:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fbf0a466c69ad97a75bc753f5d7af23431d94bf0881e0b7153bc4af1ae78aa92
[INFO] running `"docker" "start" "-a" "fbf0a466c69ad97a75bc753f5d7af23431d94bf0881e0b7153bc4af1ae78aa92"`
[INFO] [stderr]    Compiling mom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "fbf0a466c69ad97a75bc753f5d7af23431d94bf0881e0b7153bc4af1ae78aa92"`
[INFO] running `"docker" "rm" "-f" "fbf0a466c69ad97a75bc753f5d7af23431d94bf0881e0b7153bc4af1ae78aa92"`
[INFO] [stdout] fbf0a466c69ad97a75bc753f5d7af23431d94bf0881e0b7153bc4af1ae78aa92
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matklad/mom:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 566d025dd8e8746325d5a09fe49a47d265025bc9dde7c6d8b0f77d1518ee7c83
[INFO] running `"docker" "start" "-a" "566d025dd8e8746325d5a09fe49a47d265025bc9dde7c6d8b0f77d1518ee7c83"`
[INFO] [stderr]    Compiling mom v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "566d025dd8e8746325d5a09fe49a47d265025bc9dde7c6d8b0f77d1518ee7c83"`
[INFO] running `"docker" "rm" "-f" "566d025dd8e8746325d5a09fe49a47d265025bc9dde7c6d8b0f77d1518ee7c83"`
[INFO] [stdout] 566d025dd8e8746325d5a09fe49a47d265025bc9dde7c6d8b0f77d1518ee7c83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/matklad/mom:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 331cd3d73fd0c93243a7aabf89c3e9aa37de100a34ccae367c45886f05a2ae47
[INFO] running `"docker" "start" "-a" "331cd3d73fd0c93243a7aabf89c3e9aa37de100a34ccae367c45886f05a2ae47"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mom-699259a28ae57399
[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" "331cd3d73fd0c93243a7aabf89c3e9aa37de100a34ccae367c45886f05a2ae47"`
[INFO] running `"docker" "rm" "-f" "331cd3d73fd0c93243a7aabf89c3e9aa37de100a34ccae367c45886f05a2ae47"`
[INFO] [stdout] 331cd3d73fd0c93243a7aabf89c3e9aa37de100a34ccae367c45886f05a2ae47