[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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 906561b0fbc4097a60297db50da19afb6510560567a32e33618446841f199cd2
[INFO] running `"docker" "start" "-a" "906561b0fbc4097a60297db50da19afb6510560567a32e33618446841f199cd2"`
[INFO] [stderr]    Compiling t_est v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "906561b0fbc4097a60297db50da19afb6510560567a32e33618446841f199cd2"`
[INFO] running `"docker" "rm" "-f" "906561b0fbc4097a60297db50da19afb6510560567a32e33618446841f199cd2"`
[INFO] [stdout] 906561b0fbc4097a60297db50da19afb6510560567a32e33618446841f199cd2
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] afa2672f16d04307230e911f75d2f019ed40002cd1a2dbc1d84b84e2b8aec634
[INFO] running `"docker" "start" "-a" "afa2672f16d04307230e911f75d2f019ed40002cd1a2dbc1d84b84e2b8aec634"`
[INFO] [stderr]    Compiling t_est v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "afa2672f16d04307230e911f75d2f019ed40002cd1a2dbc1d84b84e2b8aec634"`
[INFO] running `"docker" "rm" "-f" "afa2672f16d04307230e911f75d2f019ed40002cd1a2dbc1d84b84e2b8aec634"`
[INFO] [stdout] afa2672f16d04307230e911f75d2f019ed40002cd1a2dbc1d84b84e2b8aec634
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] acc56b0f7bb4373b72afdee688f0b45bbd823a21f861dc4fbf05572e2c90a985
[INFO] running `"docker" "start" "-a" "acc56b0f7bb4373b72afdee688f0b45bbd823a21f861dc4fbf05572e2c90a985"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/t_est-47df4445e312ed97
[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" "acc56b0f7bb4373b72afdee688f0b45bbd823a21f861dc4fbf05572e2c90a985"`
[INFO] running `"docker" "rm" "-f" "acc56b0f7bb4373b72afdee688f0b45bbd823a21f861dc4fbf05572e2c90a985"`
[INFO] [stdout] acc56b0f7bb4373b72afdee688f0b45bbd823a21f861dc4fbf05572e2c90a985