[INFO] updating cached repository reujab/silver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/reujab/silver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/reujab/silver" "work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/silver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/silver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/reujab/silver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/reujab/silver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/reujab/silver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 368b8ffe2f9ea06b8fc8403e0ef34a0f5aa99900
[INFO] sha for GitHub repo reujab/silver: 368b8ffe2f9ea06b8fc8403e0ef34a0f5aa99900
[INFO] validating manifest of reujab/silver 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 reujab/silver 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 reujab/silver
[INFO] finished frobbing reujab/silver
[INFO] frobbed toml for reujab/silver written to work/ex/beta-1.38-1/sources/1.37.0/gh/reujab/silver/Cargo.toml
[INFO] started frobbing reujab/silver
[INFO] finished frobbing reujab/silver
[INFO] frobbed toml for reujab/silver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/reujab/silver/Cargo.toml
[INFO] crate reujab/silver 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 reujab/silver 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/reujab/silver:/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] 8d992db12152c814364dcbf50c1fcf92fea75b94bd6ffbc7123e756f59400f3b
[INFO] running `"docker" "start" "-a" "8d992db12152c814364dcbf50c1fcf92fea75b94bd6ffbc7123e756f59400f3b"`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.45
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling silver v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `"docker" "inspect" "8d992db12152c814364dcbf50c1fcf92fea75b94bd6ffbc7123e756f59400f3b"`
[INFO] running `"docker" "rm" "-f" "8d992db12152c814364dcbf50c1fcf92fea75b94bd6ffbc7123e756f59400f3b"`
[INFO] [stdout] 8d992db12152c814364dcbf50c1fcf92fea75b94bd6ffbc7123e756f59400f3b
[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/reujab/silver:/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] 7c799825ac64e9e36bfc2e640094aaf11ee358ee3f625f0b50ed71b1a152d8fa
[INFO] running `"docker" "start" "-a" "7c799825ac64e9e36bfc2e640094aaf11ee358ee3f625f0b50ed71b1a152d8fa"`
[INFO] [stderr]    Compiling silver v1.0.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `"docker" "inspect" "7c799825ac64e9e36bfc2e640094aaf11ee358ee3f625f0b50ed71b1a152d8fa"`
[INFO] running `"docker" "rm" "-f" "7c799825ac64e9e36bfc2e640094aaf11ee358ee3f625f0b50ed71b1a152d8fa"`
[INFO] [stdout] 7c799825ac64e9e36bfc2e640094aaf11ee358ee3f625f0b50ed71b1a152d8fa
[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/reujab/silver:/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] eb529083d85aaa53a33a0443d2eb753eb4140139849e9ae0cc74b01cfc26b75c
[INFO] running `"docker" "start" "-a" "eb529083d85aaa53a33a0443d2eb753eb4140139849e9ae0cc74b01cfc26b75c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/silver-cf6456de97174ae1
[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" "eb529083d85aaa53a33a0443d2eb753eb4140139849e9ae0cc74b01cfc26b75c"`
[INFO] running `"docker" "rm" "-f" "eb529083d85aaa53a33a0443d2eb753eb4140139849e9ae0cc74b01cfc26b75c"`
[INFO] [stdout] eb529083d85aaa53a33a0443d2eb753eb4140139849e9ae0cc74b01cfc26b75c