[INFO] updating cached repository srishanbhattarai/srt-skew
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/srishanbhattarai/srt-skew
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/srishanbhattarai/srt-skew" "work/ex/beta-1.38-1/sources/1.37.0/gh/srishanbhattarai/srt-skew"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/srishanbhattarai/srt-skew'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/srishanbhattarai/srt-skew" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/srishanbhattarai/srt-skew"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/srishanbhattarai/srt-skew'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff15e438553fc869b8145eeaca97f117c4ea5881
[INFO] sha for GitHub repo srishanbhattarai/srt-skew: ff15e438553fc869b8145eeaca97f117c4ea5881
[INFO] validating manifest of srishanbhattarai/srt-skew 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 srishanbhattarai/srt-skew 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 srishanbhattarai/srt-skew
[INFO] finished frobbing srishanbhattarai/srt-skew
[INFO] frobbed toml for srishanbhattarai/srt-skew written to work/ex/beta-1.38-1/sources/1.37.0/gh/srishanbhattarai/srt-skew/Cargo.toml
[INFO] started frobbing srishanbhattarai/srt-skew
[INFO] finished frobbing srishanbhattarai/srt-skew
[INFO] frobbed toml for srishanbhattarai/srt-skew written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/srishanbhattarai/srt-skew/Cargo.toml
[INFO] crate srishanbhattarai/srt-skew 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 srishanbhattarai/srt-skew 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/srishanbhattarai/srt-skew:/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] 52a762dc561df47a6f834674a8af9a1cf5f674395b8e65626ca5b22e53fe99fd
[INFO] running `"docker" "start" "-a" "52a762dc561df47a6f834674a8af9a1cf5f674395b8e65626ca5b22e53fe99fd"`
[INFO] [stderr]    Compiling srt-skew v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "52a762dc561df47a6f834674a8af9a1cf5f674395b8e65626ca5b22e53fe99fd"`
[INFO] running `"docker" "rm" "-f" "52a762dc561df47a6f834674a8af9a1cf5f674395b8e65626ca5b22e53fe99fd"`
[INFO] [stdout] 52a762dc561df47a6f834674a8af9a1cf5f674395b8e65626ca5b22e53fe99fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/srishanbhattarai/srt-skew:/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] 2c7e89d74794e2358a6da7d877716b78f75b5c1b5b221fe2b879785c42c3a61d
[INFO] running `"docker" "start" "-a" "2c7e89d74794e2358a6da7d877716b78f75b5c1b5b221fe2b879785c42c3a61d"`
[INFO] [stderr]    Compiling srt-skew v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn run(config: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "2c7e89d74794e2358a6da7d877716b78f75b5c1b5b221fe2b879785c42c3a61d"`
[INFO] running `"docker" "rm" "-f" "2c7e89d74794e2358a6da7d877716b78f75b5c1b5b221fe2b879785c42c3a61d"`
[INFO] [stdout] 2c7e89d74794e2358a6da7d877716b78f75b5c1b5b221fe2b879785c42c3a61d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/srishanbhattarai/srt-skew:/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] 47e1f1b577875814cae270561141ee5cc9a0390430e8aa7147400c894fe2afd9
[INFO] running `"docker" "start" "-a" "47e1f1b577875814cae270561141ee5cc9a0390430e8aa7147400c894fe2afd9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/srt_skew-c897bb609400dc5b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::it_works ... ok
[INFO] [stdout] test test::skew_duration_by_10 ... ok
[INFO] [stdout] test test::skew_duration_when_overflow_secs ... ok
[INFO] [stdout] test test::skew_file_contents_by_10 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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]      Running /opt/crater/target/debug/deps/srt_skew-a4b6ad2d4588d9a9
[INFO] [stderr]    Doc-tests srt-skew
[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" "47e1f1b577875814cae270561141ee5cc9a0390430e8aa7147400c894fe2afd9"`
[INFO] running `"docker" "rm" "-f" "47e1f1b577875814cae270561141ee5cc9a0390430e8aa7147400c894fe2afd9"`
[INFO] [stdout] 47e1f1b577875814cae270561141ee5cc9a0390430e8aa7147400c894fe2afd9