[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 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 64c96e25062a9763586087e6429874a07355460c9300fa7154a31975b9502227
[INFO] running `"docker" "start" "-a" "64c96e25062a9763586087e6429874a07355460c9300fa7154a31975b9502227"`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "64c96e25062a9763586087e6429874a07355460c9300fa7154a31975b9502227"`
[INFO] running `"docker" "rm" "-f" "64c96e25062a9763586087e6429874a07355460c9300fa7154a31975b9502227"`
[INFO] [stdout] 64c96e25062a9763586087e6429874a07355460c9300fa7154a31975b9502227
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4e3d0e3dca54de40d5b868d047c4fbd731c42ffd747f9bb44da2307e01ab0a07
[INFO] running `"docker" "start" "-a" "4e3d0e3dca54de40d5b868d047c4fbd731c42ffd747f9bb44da2307e01ab0a07"`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "4e3d0e3dca54de40d5b868d047c4fbd731c42ffd747f9bb44da2307e01ab0a07"`
[INFO] running `"docker" "rm" "-f" "4e3d0e3dca54de40d5b868d047c4fbd731c42ffd747f9bb44da2307e01ab0a07"`
[INFO] [stdout] 4e3d0e3dca54de40d5b868d047c4fbd731c42ffd747f9bb44da2307e01ab0a07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0aa49d3d8f9682cec0843c235560db340d27fed24523c19b4d936c3bf22bb771
[INFO] running `"docker" "start" "-a" "0aa49d3d8f9682cec0843c235560db340d27fed24523c19b4d936c3bf22bb771"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tree-7188e9e34ee8cdb0
[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" "0aa49d3d8f9682cec0843c235560db340d27fed24523c19b4d936c3bf22bb771"`
[INFO] running `"docker" "rm" "-f" "0aa49d3d8f9682cec0843c235560db340d27fed24523c19b4d936c3bf22bb771"`
[INFO] [stdout] 0aa49d3d8f9682cec0843c235560db340d27fed24523c19b4d936c3bf22bb771