[INFO] updating cached repository staktrace/t_est
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/staktrace/t_est
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/staktrace/t_est" "work/ex/beta-1.38-1/sources/1.37.0/gh/staktrace/t_est"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/staktrace/t_est'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/staktrace/t_est" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/staktrace/t_est"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/staktrace/t_est'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2a8a431599fb47f1ba338c26ae60be7f9448470
[INFO] sha for GitHub repo staktrace/t_est: a2a8a431599fb47f1ba338c26ae60be7f9448470
[INFO] validating manifest of staktrace/t_est 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 staktrace/t_est 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 staktrace/t_est
[INFO] finished frobbing staktrace/t_est
[INFO] frobbed toml for staktrace/t_est written to work/ex/beta-1.38-1/sources/1.37.0/gh/staktrace/t_est/Cargo.toml
[INFO] started frobbing staktrace/t_est
[INFO] finished frobbing staktrace/t_est
[INFO] frobbed toml for staktrace/t_est written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/staktrace/t_est/Cargo.toml
[INFO] crate staktrace/t_est 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 staktrace/t_est 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-3/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/staktrace/t_est:/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] b128168cdd9ed5258eab0887d4437dff288017edbaae76778e08a1345202f214
[INFO] running `"docker" "start" "-a" "b128168cdd9ed5258eab0887d4437dff288017edbaae76778e08a1345202f214"`
[INFO] [stderr]    Compiling t_est v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "b128168cdd9ed5258eab0887d4437dff288017edbaae76778e08a1345202f214"`
[INFO] running `"docker" "rm" "-f" "b128168cdd9ed5258eab0887d4437dff288017edbaae76778e08a1345202f214"`
[INFO] [stdout] b128168cdd9ed5258eab0887d4437dff288017edbaae76778e08a1345202f214
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/staktrace/t_est:/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] 5dbf8c40d4fffef5a4716d87154ed9549fabedd42fb925af684c8a07446b53e6
[INFO] running `"docker" "start" "-a" "5dbf8c40d4fffef5a4716d87154ed9549fabedd42fb925af684c8a07446b53e6"`
[INFO] [stderr]    Compiling t_est v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "5dbf8c40d4fffef5a4716d87154ed9549fabedd42fb925af684c8a07446b53e6"`
[INFO] running `"docker" "rm" "-f" "5dbf8c40d4fffef5a4716d87154ed9549fabedd42fb925af684c8a07446b53e6"`
[INFO] [stdout] 5dbf8c40d4fffef5a4716d87154ed9549fabedd42fb925af684c8a07446b53e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/staktrace/t_est:/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] 1cdb2643c6e8ca6e81c3dc295518f242d0d032388cf229908f890844dbf18db7
[INFO] running `"docker" "start" "-a" "1cdb2643c6e8ca6e81c3dc295518f242d0d032388cf229908f890844dbf18db7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/t_est-b8092cafc1e3e549
[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" "1cdb2643c6e8ca6e81c3dc295518f242d0d032388cf229908f890844dbf18db7"`
[INFO] running `"docker" "rm" "-f" "1cdb2643c6e8ca6e81c3dc295518f242d0d032388cf229908f890844dbf18db7"`
[INFO] [stdout] 1cdb2643c6e8ca6e81c3dc295518f242d0d032388cf229908f890844dbf18db7