[INFO] updating cached repository skade/mailbox-konstanz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/skade/mailbox-konstanz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/mailbox-konstanz" "work/ex/beta-1.37-6/sources/1.36.0/gh/skade/mailbox-konstanz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/skade/mailbox-konstanz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/skade/mailbox-konstanz" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/skade/mailbox-konstanz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/skade/mailbox-konstanz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64541b0b572eb5d7bc47ee3cd9340d7fca74fd01
[INFO] sha for GitHub repo skade/mailbox-konstanz: 64541b0b572eb5d7bc47ee3cd9340d7fca74fd01
[INFO] validating manifest of skade/mailbox-konstanz 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 skade/mailbox-konstanz 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 skade/mailbox-konstanz
[INFO] finished frobbing skade/mailbox-konstanz
[INFO] frobbed toml for skade/mailbox-konstanz written to work/ex/beta-1.37-6/sources/1.36.0/gh/skade/mailbox-konstanz/Cargo.toml
[INFO] started frobbing skade/mailbox-konstanz
[INFO] finished frobbing skade/mailbox-konstanz
[INFO] frobbed toml for skade/mailbox-konstanz written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/skade/mailbox-konstanz/Cargo.toml
[INFO] crate skade/mailbox-konstanz 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing skade/mailbox-konstanz 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-4/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/skade/mailbox-konstanz:/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] 130d88ce1ab138b7e16838b9c3f0f9696c0e4733d7fd2d4437a61abf8318e7dd
[INFO] running `"docker" "start" "-a" "130d88ce1ab138b7e16838b9c3f0f9696c0e4733d7fd2d4437a61abf8318e7dd"`
[INFO] [stderr]    Compiling mailbox v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "130d88ce1ab138b7e16838b9c3f0f9696c0e4733d7fd2d4437a61abf8318e7dd"`
[INFO] running `"docker" "rm" "-f" "130d88ce1ab138b7e16838b9c3f0f9696c0e4733d7fd2d4437a61abf8318e7dd"`
[INFO] [stdout] 130d88ce1ab138b7e16838b9c3f0f9696c0e4733d7fd2d4437a61abf8318e7dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/skade/mailbox-konstanz:/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] 43283b9c375fc8614d915d29d82c976360eaa13150d79ec85d0ce7ab1b5e1b4f
[INFO] running `"docker" "start" "-a" "43283b9c375fc8614d915d29d82c976360eaa13150d79ec85d0ce7ab1b5e1b4f"`
[INFO] [stderr]    Compiling mailbox v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "43283b9c375fc8614d915d29d82c976360eaa13150d79ec85d0ce7ab1b5e1b4f"`
[INFO] running `"docker" "rm" "-f" "43283b9c375fc8614d915d29d82c976360eaa13150d79ec85d0ce7ab1b5e1b4f"`
[INFO] [stdout] 43283b9c375fc8614d915d29d82c976360eaa13150d79ec85d0ce7ab1b5e1b4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/skade/mailbox-konstanz:/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] 0d1812daddf60fbf8e5a0fbf19fc9830cfd787bfdd48ad573144e4a7ea57fb2a
[INFO] running `"docker" "start" "-a" "0d1812daddf60fbf8e5a0fbf19fc9830cfd787bfdd48ad573144e4a7ea57fb2a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mailbox-64cc54fcca46c067
[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" "0d1812daddf60fbf8e5a0fbf19fc9830cfd787bfdd48ad573144e4a7ea57fb2a"`
[INFO] running `"docker" "rm" "-f" "0d1812daddf60fbf8e5a0fbf19fc9830cfd787bfdd48ad573144e4a7ea57fb2a"`
[INFO] [stdout] 0d1812daddf60fbf8e5a0fbf19fc9830cfd787bfdd48ad573144e4a7ea57fb2a