[INFO] updating cached repository Esdeathh/rust_learn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Esdeathh/rust_learn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Esdeathh/rust_learn" "work/ex/beta-1.38-1/sources/1.37.0/gh/Esdeathh/rust_learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Esdeathh/rust_learn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Esdeathh/rust_learn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Esdeathh/rust_learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Esdeathh/rust_learn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d89a2a4ee0b6598dde1b336fa47e3a1b84d3830e
[INFO] sha for GitHub repo Esdeathh/rust_learn: d89a2a4ee0b6598dde1b336fa47e3a1b84d3830e
[INFO] validating manifest of Esdeathh/rust_learn 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 Esdeathh/rust_learn 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 Esdeathh/rust_learn
[INFO] finished frobbing Esdeathh/rust_learn
[INFO] frobbed toml for Esdeathh/rust_learn written to work/ex/beta-1.38-1/sources/1.37.0/gh/Esdeathh/rust_learn/Cargo.toml
[INFO] started frobbing Esdeathh/rust_learn
[INFO] finished frobbing Esdeathh/rust_learn
[INFO] frobbed toml for Esdeathh/rust_learn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Esdeathh/rust_learn/Cargo.toml
[INFO] crate Esdeathh/rust_learn 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Esdeathh/rust_learn 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-1/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/Esdeathh/rust_learn:/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] 77b76daf8a96417efe663f0caf8e0cb57ad2e9073d79c80e32ca609d3593b789
[INFO] running `"docker" "start" "-a" "77b76daf8a96417efe663f0caf8e0cb57ad2e9073d79c80e32ca609d3593b789"`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "77b76daf8a96417efe663f0caf8e0cb57ad2e9073d79c80e32ca609d3593b789"`
[INFO] running `"docker" "rm" "-f" "77b76daf8a96417efe663f0caf8e0cb57ad2e9073d79c80e32ca609d3593b789"`
[INFO] [stdout] 77b76daf8a96417efe663f0caf8e0cb57ad2e9073d79c80e32ca609d3593b789
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/Esdeathh/rust_learn:/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] 4fd3dae55538c6828fccffad8222b244f81beb4cc573ee0cd9dfddcfb02ecafe
[INFO] running `"docker" "start" "-a" "4fd3dae55538c6828fccffad8222b244f81beb4cc573ee0cd9dfddcfb02ecafe"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "4fd3dae55538c6828fccffad8222b244f81beb4cc573ee0cd9dfddcfb02ecafe"`
[INFO] running `"docker" "rm" "-f" "4fd3dae55538c6828fccffad8222b244f81beb4cc573ee0cd9dfddcfb02ecafe"`
[INFO] [stdout] 4fd3dae55538c6828fccffad8222b244f81beb4cc573ee0cd9dfddcfb02ecafe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/Esdeathh/rust_learn:/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] dd4fd938365e49c7f375a69860356fcf7594be77f06f6acb29ffd64a0c4db32f
[INFO] running `"docker" "start" "-a" "dd4fd938365e49c7f375a69860356fcf7594be77f06f6acb29ffd64a0c4db32f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_cargo-bc853dc2e6c61291
[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" "dd4fd938365e49c7f375a69860356fcf7594be77f06f6acb29ffd64a0c4db32f"`
[INFO] running `"docker" "rm" "-f" "dd4fd938365e49c7f375a69860356fcf7594be77f06f6acb29ffd64a0c4db32f"`
[INFO] [stdout] dd4fd938365e49c7f375a69860356fcf7594be77f06f6acb29ffd64a0c4db32f