[INFO] updating cached repository ActionCactus/Rust-Exercises
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ActionCactus/Rust-Exercises
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ActionCactus/Rust-Exercises" "work/ex/beta-1.37-6/sources/1.36.0/gh/ActionCactus/Rust-Exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ActionCactus/Rust-Exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ActionCactus/Rust-Exercises" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ActionCactus/Rust-Exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ActionCactus/Rust-Exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 708a637c1caa633f41a9035cfe322e951c039767
[INFO] sha for GitHub repo ActionCactus/Rust-Exercises: 708a637c1caa633f41a9035cfe322e951c039767
[INFO] validating manifest of ActionCactus/Rust-Exercises 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 ActionCactus/Rust-Exercises 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 ActionCactus/Rust-Exercises
[INFO] finished frobbing ActionCactus/Rust-Exercises
[INFO] frobbed toml for ActionCactus/Rust-Exercises written to work/ex/beta-1.37-6/sources/1.36.0/gh/ActionCactus/Rust-Exercises/Cargo.toml
[INFO] started frobbing ActionCactus/Rust-Exercises
[INFO] finished frobbing ActionCactus/Rust-Exercises
[INFO] frobbed toml for ActionCactus/Rust-Exercises written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ActionCactus/Rust-Exercises/Cargo.toml
[INFO] crate ActionCactus/Rust-Exercises 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ActionCactus/Rust-Exercises against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ActionCactus/Rust-Exercises:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 48505339ebf1cf439500c1bfe8008c206bab8c33becb3bef4bb2fbc3fc9b0ea9
[INFO] running `"docker" "start" "-a" "48505339ebf1cf439500c1bfe8008c206bab8c33becb3bef4bb2fbc3fc9b0ea9"`
[INFO] [stderr]    Compiling cargo_bin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "48505339ebf1cf439500c1bfe8008c206bab8c33becb3bef4bb2fbc3fc9b0ea9"`
[INFO] running `"docker" "rm" "-f" "48505339ebf1cf439500c1bfe8008c206bab8c33becb3bef4bb2fbc3fc9b0ea9"`
[INFO] [stdout] 48505339ebf1cf439500c1bfe8008c206bab8c33becb3bef4bb2fbc3fc9b0ea9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ActionCactus/Rust-Exercises:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] f013d2c421face5248e460d35cea380f3d28856e32f51bbafd1d29dbf049b5dd
[INFO] running `"docker" "start" "-a" "f013d2c421face5248e460d35cea380f3d28856e32f51bbafd1d29dbf049b5dd"`
[INFO] [stderr]    Compiling cargo_bin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "f013d2c421face5248e460d35cea380f3d28856e32f51bbafd1d29dbf049b5dd"`
[INFO] running `"docker" "rm" "-f" "f013d2c421face5248e460d35cea380f3d28856e32f51bbafd1d29dbf049b5dd"`
[INFO] [stdout] f013d2c421face5248e460d35cea380f3d28856e32f51bbafd1d29dbf049b5dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ActionCactus/Rust-Exercises:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] eba5ad1d3ced070f582790c68c1cc4ab9d2e21f8195255e62df894ddce7a3f8c
[INFO] running `"docker" "start" "-a" "eba5ad1d3ced070f582790c68c1cc4ab9d2e21f8195255e62df894ddce7a3f8c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_bin-0735cbcc5bcdea6a
[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" "eba5ad1d3ced070f582790c68c1cc4ab9d2e21f8195255e62df894ddce7a3f8c"`
[INFO] running `"docker" "rm" "-f" "eba5ad1d3ced070f582790c68c1cc4ab9d2e21f8195255e62df894ddce7a3f8c"`
[INFO] [stdout] eba5ad1d3ced070f582790c68c1cc4ab9d2e21f8195255e62df894ddce7a3f8c