[INFO] updating cached repository sighol/clock-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sighol/clock-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sighol/clock-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/sighol/clock-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sighol/clock-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sighol/clock-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sighol/clock-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sighol/clock-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2113a1f4bada7c46b22b457e45a28e096997a0cd
[INFO] sha for GitHub repo sighol/clock-server: 2113a1f4bada7c46b22b457e45a28e096997a0cd
[INFO] validating manifest of sighol/clock-server 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 sighol/clock-server 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 sighol/clock-server
[INFO] finished frobbing sighol/clock-server
[INFO] frobbed toml for sighol/clock-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/sighol/clock-server/Cargo.toml
[INFO] started frobbing sighol/clock-server
[INFO] finished frobbing sighol/clock-server
[INFO] frobbed toml for sighol/clock-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sighol/clock-server/Cargo.toml
[INFO] crate sighol/clock-server 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sighol/clock-server 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sighol/clock-server:/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] 3c5c9e5a04187d4425c6246000eabfb29e46d1829d18fc664e5ce48b47f5586d
[INFO] running `"docker" "start" "-a" "3c5c9e5a04187d4425c6246000eabfb29e46d1829d18fc664e5ce48b47f5586d"`
[INFO] [stderr]    Compiling clock-server v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "3c5c9e5a04187d4425c6246000eabfb29e46d1829d18fc664e5ce48b47f5586d"`
[INFO] running `"docker" "rm" "-f" "3c5c9e5a04187d4425c6246000eabfb29e46d1829d18fc664e5ce48b47f5586d"`
[INFO] [stdout] 3c5c9e5a04187d4425c6246000eabfb29e46d1829d18fc664e5ce48b47f5586d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sighol/clock-server:/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] b340dcbbcdf53de25f7a9c7a90e662337530a10c8000527f19c3ccabbde6ded3
[INFO] running `"docker" "start" "-a" "b340dcbbcdf53de25f7a9c7a90e662337530a10c8000527f19c3ccabbde6ded3"`
[INFO] [stderr]    Compiling clock-server v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:41:39
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "b340dcbbcdf53de25f7a9c7a90e662337530a10c8000527f19c3ccabbde6ded3"`
[INFO] running `"docker" "rm" "-f" "b340dcbbcdf53de25f7a9c7a90e662337530a10c8000527f19c3ccabbde6ded3"`
[INFO] [stdout] b340dcbbcdf53de25f7a9c7a90e662337530a10c8000527f19c3ccabbde6ded3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sighol/clock-server:/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] 25513216fb7133cdf4456169680906757ddcc1256eaaed05fb89c8b600ea1711
[INFO] running `"docker" "start" "-a" "25513216fb7133cdf4456169680906757ddcc1256eaaed05fb89c8b600ea1711"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clock_server-5e50042579dcc039
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ntp::tests::ntp_header_size ... ok
[INFO] [stdout] test ntp::tests::from_datetime ... ok
[INFO] [stdout] test ntp::tests::to_datetime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "25513216fb7133cdf4456169680906757ddcc1256eaaed05fb89c8b600ea1711"`
[INFO] running `"docker" "rm" "-f" "25513216fb7133cdf4456169680906757ddcc1256eaaed05fb89c8b600ea1711"`
[INFO] [stdout] 25513216fb7133cdf4456169680906757ddcc1256eaaed05fb89c8b600ea1711