[INFO] updating cached repository luizirber/2018-rust-blocks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luizirber/2018-rust-blocks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luizirber/2018-rust-blocks" "work/ex/beta-1.38-1/sources/1.37.0/gh/luizirber/2018-rust-blocks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luizirber/2018-rust-blocks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luizirber/2018-rust-blocks" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luizirber/2018-rust-blocks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luizirber/2018-rust-blocks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc0017e34b225ca5424e32f24d67957b9d07432b
[INFO] sha for GitHub repo luizirber/2018-rust-blocks: fc0017e34b225ca5424e32f24d67957b9d07432b
[INFO] validating manifest of luizirber/2018-rust-blocks 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 luizirber/2018-rust-blocks 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 luizirber/2018-rust-blocks
[INFO] finished frobbing luizirber/2018-rust-blocks
[INFO] frobbed toml for luizirber/2018-rust-blocks written to work/ex/beta-1.38-1/sources/1.37.0/gh/luizirber/2018-rust-blocks/Cargo.toml
[INFO] started frobbing luizirber/2018-rust-blocks
[INFO] finished frobbing luizirber/2018-rust-blocks
[INFO] frobbed toml for luizirber/2018-rust-blocks written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luizirber/2018-rust-blocks/Cargo.toml
[INFO] crate luizirber/2018-rust-blocks 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 luizirber/2018-rust-blocks 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luizirber/2018-rust-blocks:/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] d8169d08ca5a0e44f6183f7a9473a1e0c7f9938edec3b18adfd3b4f8bc65c546
[INFO] running `"docker" "start" "-a" "d8169d08ca5a0e44f6183f7a9473a1e0c7f9938edec3b18adfd3b4f8bc65c546"`
[INFO] [stderr]    Compiling rust-blocks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "d8169d08ca5a0e44f6183f7a9473a1e0c7f9938edec3b18adfd3b4f8bc65c546"`
[INFO] running `"docker" "rm" "-f" "d8169d08ca5a0e44f6183f7a9473a1e0c7f9938edec3b18adfd3b4f8bc65c546"`
[INFO] [stdout] d8169d08ca5a0e44f6183f7a9473a1e0c7f9938edec3b18adfd3b4f8bc65c546
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luizirber/2018-rust-blocks:/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] d50e7b03127320dafb25f4eb5e36087561a5cdfbf95e739e7aa45cae9a7b63ee
[INFO] running `"docker" "start" "-a" "d50e7b03127320dafb25f4eb5e36087561a5cdfbf95e739e7aa45cae9a7b63ee"`
[INFO] [stderr]    Compiling rust-blocks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "d50e7b03127320dafb25f4eb5e36087561a5cdfbf95e739e7aa45cae9a7b63ee"`
[INFO] running `"docker" "rm" "-f" "d50e7b03127320dafb25f4eb5e36087561a5cdfbf95e739e7aa45cae9a7b63ee"`
[INFO] [stdout] d50e7b03127320dafb25f4eb5e36087561a5cdfbf95e739e7aa45cae9a7b63ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luizirber/2018-rust-blocks:/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] 111d6dadf79b6ae725ae0e407b44a14baa389a5a07b69539c5d2d8b01131fbf4
[INFO] running `"docker" "start" "-a" "111d6dadf79b6ae725ae0e407b44a14baa389a5a07b69539c5d2d8b01131fbf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_blocks-b4e7d11febaf8a94
[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" "111d6dadf79b6ae725ae0e407b44a14baa389a5a07b69539c5d2d8b01131fbf4"`
[INFO] running `"docker" "rm" "-f" "111d6dadf79b6ae725ae0e407b44a14baa389a5a07b69539c5d2d8b01131fbf4"`
[INFO] [stdout] 111d6dadf79b6ae725ae0e407b44a14baa389a5a07b69539c5d2d8b01131fbf4