[INFO] updating cached repository jgfuchs/miner6857
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jgfuchs/miner6857
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jgfuchs/miner6857" "work/ex/beta-1.38-1/sources/1.37.0/gh/jgfuchs/miner6857"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jgfuchs/miner6857'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jgfuchs/miner6857" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgfuchs/miner6857"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgfuchs/miner6857'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c468e6db646d3ea7e4f967aed5578170ff02e99d
[INFO] sha for GitHub repo jgfuchs/miner6857: c468e6db646d3ea7e4f967aed5578170ff02e99d
[INFO] validating manifest of jgfuchs/miner6857 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 jgfuchs/miner6857 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 jgfuchs/miner6857
[INFO] finished frobbing jgfuchs/miner6857
[INFO] frobbed toml for jgfuchs/miner6857 written to work/ex/beta-1.38-1/sources/1.37.0/gh/jgfuchs/miner6857/Cargo.toml
[INFO] started frobbing jgfuchs/miner6857
[INFO] finished frobbing jgfuchs/miner6857
[INFO] frobbed toml for jgfuchs/miner6857 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jgfuchs/miner6857/Cargo.toml
[INFO] crate jgfuchs/miner6857 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jgfuchs/miner6857/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 jgfuchs/miner6857 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/jgfuchs/miner6857:/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] 060d2218d8b45595b15d5474e6661f2fddf8e32ec5eb3f64b426439408d7e187
[INFO] running `"docker" "start" "-a" "060d2218d8b45595b15d5474e6661f2fddf8e32ec5eb3f64b426439408d7e187"`
[INFO] [stderr]    Compiling miner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `"docker" "inspect" "060d2218d8b45595b15d5474e6661f2fddf8e32ec5eb3f64b426439408d7e187"`
[INFO] running `"docker" "rm" "-f" "060d2218d8b45595b15d5474e6661f2fddf8e32ec5eb3f64b426439408d7e187"`
[INFO] [stdout] 060d2218d8b45595b15d5474e6661f2fddf8e32ec5eb3f64b426439408d7e187
[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/jgfuchs/miner6857:/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] 8dea3cd60da752cb4298f7eaba1f0cf465a1b9d57b0457b3405417e52606aa45
[INFO] running `"docker" "start" "-a" "8dea3cd60da752cb4298f7eaba1f0cf465a1b9d57b0457b3405417e52606aa45"`
[INFO] [stderr]    Compiling miner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "8dea3cd60da752cb4298f7eaba1f0cf465a1b9d57b0457b3405417e52606aa45"`
[INFO] running `"docker" "rm" "-f" "8dea3cd60da752cb4298f7eaba1f0cf465a1b9d57b0457b3405417e52606aa45"`
[INFO] [stdout] 8dea3cd60da752cb4298f7eaba1f0cf465a1b9d57b0457b3405417e52606aa45
[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/jgfuchs/miner6857:/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] 16fd1b1ffcd11ec9714ff681fc47bbde656b108899fa15900e454cd12f4e7019
[INFO] running `"docker" "start" "-a" "16fd1b1ffcd11ec9714ff681fc47bbde656b108899fa15900e454cd12f4e7019"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/miner-45a9dc8ec75ac0e8
[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" "16fd1b1ffcd11ec9714ff681fc47bbde656b108899fa15900e454cd12f4e7019"`
[INFO] running `"docker" "rm" "-f" "16fd1b1ffcd11ec9714ff681fc47bbde656b108899fa15900e454cd12f4e7019"`
[INFO] [stdout] 16fd1b1ffcd11ec9714ff681fc47bbde656b108899fa15900e454cd12f4e7019