[INFO] updating cached repository MoustaphaSaad/learn-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MoustaphaSaad/learn-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MoustaphaSaad/learn-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/MoustaphaSaad/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/MoustaphaSaad/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MoustaphaSaad/learn-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoustaphaSaad/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoustaphaSaad/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16409282d3a05f4f99f84dd5600fbe5d7525359c
[INFO] sha for GitHub repo MoustaphaSaad/learn-rust: 16409282d3a05f4f99f84dd5600fbe5d7525359c
[INFO] validating manifest of MoustaphaSaad/learn-rust 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 MoustaphaSaad/learn-rust 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 MoustaphaSaad/learn-rust
[INFO] finished frobbing MoustaphaSaad/learn-rust
[INFO] frobbed toml for MoustaphaSaad/learn-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/MoustaphaSaad/learn-rust/Cargo.toml
[INFO] started frobbing MoustaphaSaad/learn-rust
[INFO] finished frobbing MoustaphaSaad/learn-rust
[INFO] frobbed toml for MoustaphaSaad/learn-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/MoustaphaSaad/learn-rust/Cargo.toml
[INFO] crate MoustaphaSaad/learn-rust 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 MoustaphaSaad/learn-rust 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-6/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/MoustaphaSaad/learn-rust:/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] 72504e1c4501309bedc35b9458f24dcc6e29ba60b1d824027f55203b8bb8dd87
[INFO] running `"docker" "start" "-a" "72504e1c4501309bedc35b9458f24dcc6e29ba60b1d824027f55203b8bb8dd87"`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "72504e1c4501309bedc35b9458f24dcc6e29ba60b1d824027f55203b8bb8dd87"`
[INFO] running `"docker" "rm" "-f" "72504e1c4501309bedc35b9458f24dcc6e29ba60b1d824027f55203b8bb8dd87"`
[INFO] [stdout] 72504e1c4501309bedc35b9458f24dcc6e29ba60b1d824027f55203b8bb8dd87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/MoustaphaSaad/learn-rust:/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] 91e78c5dcad6d180211f6f15f72b4e8d77e8f0aed02cfdcf33cefa19ba95cb88
[INFO] running `"docker" "start" "-a" "91e78c5dcad6d180211f6f15f72b4e8d77e8f0aed02cfdcf33cefa19ba95cb88"`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "91e78c5dcad6d180211f6f15f72b4e8d77e8f0aed02cfdcf33cefa19ba95cb88"`
[INFO] running `"docker" "rm" "-f" "91e78c5dcad6d180211f6f15f72b4e8d77e8f0aed02cfdcf33cefa19ba95cb88"`
[INFO] [stdout] 91e78c5dcad6d180211f6f15f72b4e8d77e8f0aed02cfdcf33cefa19ba95cb88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/MoustaphaSaad/learn-rust:/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] 5f182f1dcbb15f6581c30b9c0926e180f7b8cb3c7d74ca12f529aca033579a17
[INFO] running `"docker" "start" "-a" "5f182f1dcbb15f6581c30b9c0926e180f7b8cb3c7d74ca12f529aca033579a17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learn_rust-e9744b225a1baf3a
[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" "5f182f1dcbb15f6581c30b9c0926e180f7b8cb3c7d74ca12f529aca033579a17"`
[INFO] running `"docker" "rm" "-f" "5f182f1dcbb15f6581c30b9c0926e180f7b8cb3c7d74ca12f529aca033579a17"`
[INFO] [stdout] 5f182f1dcbb15f6581c30b9c0926e180f7b8cb3c7d74ca12f529aca033579a17