[INFO] updating cached repository brudnak/rust_sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brudnak/rust_sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brudnak/rust_sandbox" "work/ex/beta-1.38-1/sources/1.37.0/gh/brudnak/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brudnak/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brudnak/rust_sandbox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brudnak/rust_sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brudnak/rust_sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dede50dd729575c4d38db895146dbb451973e9ae
[INFO] sha for GitHub repo brudnak/rust_sandbox: dede50dd729575c4d38db895146dbb451973e9ae
[INFO] validating manifest of brudnak/rust_sandbox 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 brudnak/rust_sandbox 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 brudnak/rust_sandbox
[INFO] finished frobbing brudnak/rust_sandbox
[INFO] frobbed toml for brudnak/rust_sandbox written to work/ex/beta-1.38-1/sources/1.37.0/gh/brudnak/rust_sandbox/Cargo.toml
[INFO] started frobbing brudnak/rust_sandbox
[INFO] finished frobbing brudnak/rust_sandbox
[INFO] frobbed toml for brudnak/rust_sandbox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brudnak/rust_sandbox/Cargo.toml
[INFO] crate brudnak/rust_sandbox 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 brudnak/rust_sandbox 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-7/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/brudnak/rust_sandbox:/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] c3222f9767333f72d8fa869b6ffccdf4907f9be5a4cfd5e819e290010c255333
[INFO] running `"docker" "start" "-a" "c3222f9767333f72d8fa869b6ffccdf4907f9be5a4cfd5e819e290010c255333"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "c3222f9767333f72d8fa869b6ffccdf4907f9be5a4cfd5e819e290010c255333"`
[INFO] running `"docker" "rm" "-f" "c3222f9767333f72d8fa869b6ffccdf4907f9be5a4cfd5e819e290010c255333"`
[INFO] [stdout] c3222f9767333f72d8fa869b6ffccdf4907f9be5a4cfd5e819e290010c255333
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/brudnak/rust_sandbox:/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] fcdd47d37d679c33373e52ba9b157dbc20ce03183408b126c5e38dc7f9f988fb
[INFO] running `"docker" "start" "-a" "fcdd47d37d679c33373e52ba9b157dbc20ce03183408b126c5e38dc7f9f988fb"`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "fcdd47d37d679c33373e52ba9b157dbc20ce03183408b126c5e38dc7f9f988fb"`
[INFO] running `"docker" "rm" "-f" "fcdd47d37d679c33373e52ba9b157dbc20ce03183408b126c5e38dc7f9f988fb"`
[INFO] [stdout] fcdd47d37d679c33373e52ba9b157dbc20ce03183408b126c5e38dc7f9f988fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/brudnak/rust_sandbox:/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] f45a31ae3e727dd70747655fed600b4075c8a591250f062a5eba12358045205e
[INFO] running `"docker" "start" "-a" "f45a31ae3e727dd70747655fed600b4075c8a591250f062a5eba12358045205e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sandbox-45c04839fa4aedca
[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" "f45a31ae3e727dd70747655fed600b4075c8a591250f062a5eba12358045205e"`
[INFO] running `"docker" "rm" "-f" "f45a31ae3e727dd70747655fed600b4075c8a591250f062a5eba12358045205e"`
[INFO] [stdout] f45a31ae3e727dd70747655fed600b4075c8a591250f062a5eba12358045205e