[INFO] updating cached repository Niakr1s/rust_tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Niakr1s/rust_tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Niakr1s/rust_tree" "work/ex/beta-1.38-1/sources/1.37.0/gh/Niakr1s/rust_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Niakr1s/rust_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Niakr1s/rust_tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Niakr1s/rust_tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Niakr1s/rust_tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1029eac6d3355b693eebd71ea8389f4ec7d953f3
[INFO] sha for GitHub repo Niakr1s/rust_tree: 1029eac6d3355b693eebd71ea8389f4ec7d953f3
[INFO] validating manifest of Niakr1s/rust_tree 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 Niakr1s/rust_tree 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 Niakr1s/rust_tree
[INFO] finished frobbing Niakr1s/rust_tree
[INFO] frobbed toml for Niakr1s/rust_tree written to work/ex/beta-1.38-1/sources/1.37.0/gh/Niakr1s/rust_tree/Cargo.toml
[INFO] started frobbing Niakr1s/rust_tree
[INFO] finished frobbing Niakr1s/rust_tree
[INFO] frobbed toml for Niakr1s/rust_tree written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Niakr1s/rust_tree/Cargo.toml
[INFO] crate Niakr1s/rust_tree 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 Niakr1s/rust_tree 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-2/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/Niakr1s/rust_tree:/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] 4bcd483163de161cc7a45be2fe77fc8d8b4c33b31c69ef2cf86515d97623b0d5
[INFO] running `"docker" "start" "-a" "4bcd483163de161cc7a45be2fe77fc8d8b4c33b31c69ef2cf86515d97623b0d5"`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "4bcd483163de161cc7a45be2fe77fc8d8b4c33b31c69ef2cf86515d97623b0d5"`
[INFO] running `"docker" "rm" "-f" "4bcd483163de161cc7a45be2fe77fc8d8b4c33b31c69ef2cf86515d97623b0d5"`
[INFO] [stdout] 4bcd483163de161cc7a45be2fe77fc8d8b4c33b31c69ef2cf86515d97623b0d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Niakr1s/rust_tree:/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] 9c564d7c359173fd4e07b9f20f9320f07eb316291e102f2e8a24e3e8f75ac4bb
[INFO] running `"docker" "start" "-a" "9c564d7c359173fd4e07b9f20f9320f07eb316291e102f2e8a24e3e8f75ac4bb"`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "9c564d7c359173fd4e07b9f20f9320f07eb316291e102f2e8a24e3e8f75ac4bb"`
[INFO] running `"docker" "rm" "-f" "9c564d7c359173fd4e07b9f20f9320f07eb316291e102f2e8a24e3e8f75ac4bb"`
[INFO] [stdout] 9c564d7c359173fd4e07b9f20f9320f07eb316291e102f2e8a24e3e8f75ac4bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/Niakr1s/rust_tree:/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] 6e22dc701ed452329a0f24baac05684baaaaa0e2570f7b014ba0a8964e88092f
[INFO] running `"docker" "start" "-a" "6e22dc701ed452329a0f24baac05684baaaaa0e2570f7b014ba0a8964e88092f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tree-14fc828dadb6238a
[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" "6e22dc701ed452329a0f24baac05684baaaaa0e2570f7b014ba0a8964e88092f"`
[INFO] running `"docker" "rm" "-f" "6e22dc701ed452329a0f24baac05684baaaaa0e2570f7b014ba0a8964e88092f"`
[INFO] [stdout] 6e22dc701ed452329a0f24baac05684baaaaa0e2570f7b014ba0a8964e88092f