[INFO] updating cached repository proprefenetre/rust-caesar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/proprefenetre/rust-caesar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/proprefenetre/rust-caesar" "work/ex/beta-1.38-1/sources/1.37.0/gh/proprefenetre/rust-caesar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/proprefenetre/rust-caesar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/proprefenetre/rust-caesar" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/proprefenetre/rust-caesar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/proprefenetre/rust-caesar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebd1b78e0180d6c09c5461bea21ee00593445ba2
[INFO] sha for GitHub repo proprefenetre/rust-caesar: ebd1b78e0180d6c09c5461bea21ee00593445ba2
[INFO] validating manifest of proprefenetre/rust-caesar 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 proprefenetre/rust-caesar 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 proprefenetre/rust-caesar
[INFO] finished frobbing proprefenetre/rust-caesar
[INFO] frobbed toml for proprefenetre/rust-caesar written to work/ex/beta-1.38-1/sources/1.37.0/gh/proprefenetre/rust-caesar/Cargo.toml
[INFO] started frobbing proprefenetre/rust-caesar
[INFO] finished frobbing proprefenetre/rust-caesar
[INFO] frobbed toml for proprefenetre/rust-caesar written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/proprefenetre/rust-caesar/Cargo.toml
[INFO] crate proprefenetre/rust-caesar 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 proprefenetre/rust-caesar 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/proprefenetre/rust-caesar:/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] b467593942ef97e4fc869cea74e9fa8be8bb320a2859e4a8b102c3c6aec4418d
[INFO] running `"docker" "start" "-a" "b467593942ef97e4fc869cea74e9fa8be8bb320a2859e4a8b102c3c6aec4418d"`
[INFO] [stderr]    Compiling caesar v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "b467593942ef97e4fc869cea74e9fa8be8bb320a2859e4a8b102c3c6aec4418d"`
[INFO] running `"docker" "rm" "-f" "b467593942ef97e4fc869cea74e9fa8be8bb320a2859e4a8b102c3c6aec4418d"`
[INFO] [stdout] b467593942ef97e4fc869cea74e9fa8be8bb320a2859e4a8b102c3c6aec4418d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/proprefenetre/rust-caesar:/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] 2b08a1e4894ac1835a8ffaccda49bc8d565f67d4a3eef4eef79622e3aeb2482c
[INFO] running `"docker" "start" "-a" "2b08a1e4894ac1835a8ffaccda49bc8d565f67d4a3eef4eef79622e3aeb2482c"`
[INFO] [stderr]    Compiling caesar v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "2b08a1e4894ac1835a8ffaccda49bc8d565f67d4a3eef4eef79622e3aeb2482c"`
[INFO] running `"docker" "rm" "-f" "2b08a1e4894ac1835a8ffaccda49bc8d565f67d4a3eef4eef79622e3aeb2482c"`
[INFO] [stdout] 2b08a1e4894ac1835a8ffaccda49bc8d565f67d4a3eef4eef79622e3aeb2482c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/proprefenetre/rust-caesar:/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] b49eafa962e67761d02438739db2ade256d9f27c1f6af0178b77ee550a6a50bf
[INFO] running `"docker" "start" "-a" "b49eafa962e67761d02438739db2ade256d9f27c1f6af0178b77ee550a6a50bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/caesar-69e07c390b7f6cfc
[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" "b49eafa962e67761d02438739db2ade256d9f27c1f6af0178b77ee550a6a50bf"`
[INFO] running `"docker" "rm" "-f" "b49eafa962e67761d02438739db2ade256d9f27c1f6af0178b77ee550a6a50bf"`
[INFO] [stdout] b49eafa962e67761d02438739db2ade256d9f27c1f6af0178b77ee550a6a50bf