[INFO] updating cached repository PiotrTrzpil/rust-sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PiotrTrzpil/rust-sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PiotrTrzpil/rust-sandbox" "work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/rust-sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/rust-sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PiotrTrzpil/rust-sandbox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PiotrTrzpil/rust-sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PiotrTrzpil/rust-sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f27f71da89db1522cd3ae7cfda835a022249a388
[INFO] sha for GitHub repo PiotrTrzpil/rust-sandbox: f27f71da89db1522cd3ae7cfda835a022249a388
[INFO] validating manifest of PiotrTrzpil/rust-sandbox on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PiotrTrzpil/rust-sandbox on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing PiotrTrzpil/rust-sandbox
[INFO] finished frobbing PiotrTrzpil/rust-sandbox
[INFO] frobbed toml for PiotrTrzpil/rust-sandbox written to work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/rust-sandbox/Cargo.toml
[INFO] started frobbing PiotrTrzpil/rust-sandbox
[INFO] finished frobbing PiotrTrzpil/rust-sandbox
[INFO] frobbed toml for PiotrTrzpil/rust-sandbox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PiotrTrzpil/rust-sandbox/Cargo.toml
[INFO] crate PiotrTrzpil/rust-sandbox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/rust-sandbox/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing PiotrTrzpil/rust-sandbox against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a91c551974bdbacfef15f52f6632f0ee6130ba08fefab5fb48758c276011ab64
[INFO] running `"docker" "start" "-a" "a91c551974bdbacfef15f52f6632f0ee6130ba08fefab5fb48758c276011ab64"`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "a91c551974bdbacfef15f52f6632f0ee6130ba08fefab5fb48758c276011ab64"`
[INFO] running `"docker" "rm" "-f" "a91c551974bdbacfef15f52f6632f0ee6130ba08fefab5fb48758c276011ab64"`
[INFO] [stdout] a91c551974bdbacfef15f52f6632f0ee6130ba08fefab5fb48758c276011ab64
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e2d67c759cd5dffa56aa99ea4f3a212f49fcb5a9b249e92bf6277cf907d07cb
[INFO] running `"docker" "start" "-a" "4e2d67c759cd5dffa56aa99ea4f3a212f49fcb5a9b249e92bf6277cf907d07cb"`
[INFO] [stderr]    Compiling rust-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "4e2d67c759cd5dffa56aa99ea4f3a212f49fcb5a9b249e92bf6277cf907d07cb"`
[INFO] running `"docker" "rm" "-f" "4e2d67c759cd5dffa56aa99ea4f3a212f49fcb5a9b249e92bf6277cf907d07cb"`
[INFO] [stdout] 4e2d67c759cd5dffa56aa99ea4f3a212f49fcb5a9b249e92bf6277cf907d07cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PiotrTrzpil/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 87e8a7169619d319d4025d5cf03f3fbb8be79e3a6134b7de9cf4ba0f5b4bacfa
[INFO] running `"docker" "start" "-a" "87e8a7169619d319d4025d5cf03f3fbb8be79e3a6134b7de9cf4ba0f5b4bacfa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tutorial-1a81c0fe1d1bf3db
[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" "87e8a7169619d319d4025d5cf03f3fbb8be79e3a6134b7de9cf4ba0f5b4bacfa"`
[INFO] running `"docker" "rm" "-f" "87e8a7169619d319d4025d5cf03f3fbb8be79e3a6134b7de9cf4ba0f5b4bacfa"`
[INFO] [stdout] 87e8a7169619d319d4025d5cf03f3fbb8be79e3a6134b7de9cf4ba0f5b4bacfa