[INFO] updating cached repository arnavb/tree-clone-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arnavb/tree-clone-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arnavb/tree-clone-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/arnavb/tree-clone-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arnavb/tree-clone-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arnavb/tree-clone-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arnavb/tree-clone-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arnavb/tree-clone-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51477bfb8d351e57e85a60c3fa663ccbf8cf1641
[INFO] sha for GitHub repo arnavb/tree-clone-rs: 51477bfb8d351e57e85a60c3fa663ccbf8cf1641
[INFO] validating manifest of arnavb/tree-clone-rs 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 arnavb/tree-clone-rs 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 arnavb/tree-clone-rs
[INFO] finished frobbing arnavb/tree-clone-rs
[INFO] frobbed toml for arnavb/tree-clone-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/arnavb/tree-clone-rs/Cargo.toml
[INFO] started frobbing arnavb/tree-clone-rs
[INFO] finished frobbing arnavb/tree-clone-rs
[INFO] frobbed toml for arnavb/tree-clone-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arnavb/tree-clone-rs/Cargo.toml
[INFO] crate arnavb/tree-clone-rs 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 arnavb/tree-clone-rs 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/arnavb/tree-clone-rs:/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] 2123ef01659e2888cc6f5ffcf0f8ce3253060094cbcada84a3be3a55010e75e7
[INFO] running `"docker" "start" "-a" "2123ef01659e2888cc6f5ffcf0f8ce3253060094cbcada84a3be3a55010e75e7"`
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tree-clone-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn cli() -> Result<(), Box<StdError>> {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.24s
[INFO] running `"docker" "inspect" "2123ef01659e2888cc6f5ffcf0f8ce3253060094cbcada84a3be3a55010e75e7"`
[INFO] running `"docker" "rm" "-f" "2123ef01659e2888cc6f5ffcf0f8ce3253060094cbcada84a3be3a55010e75e7"`
[INFO] [stdout] 2123ef01659e2888cc6f5ffcf0f8ce3253060094cbcada84a3be3a55010e75e7
[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/arnavb/tree-clone-rs:/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] e69ddd585a6146427c97b7de6ced3dc84c0983800b2df6ed60a38a32e0565b75
[INFO] running `"docker" "start" "-a" "e69ddd585a6146427c97b7de6ced3dc84c0983800b2df6ed60a38a32e0565b75"`
[INFO] [stderr]    Compiling tree-clone-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:39:28
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn cli() -> Result<(), Box<StdError>> {
[INFO] [stderr]    |                            ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "e69ddd585a6146427c97b7de6ced3dc84c0983800b2df6ed60a38a32e0565b75"`
[INFO] running `"docker" "rm" "-f" "e69ddd585a6146427c97b7de6ced3dc84c0983800b2df6ed60a38a32e0565b75"`
[INFO] [stdout] e69ddd585a6146427c97b7de6ced3dc84c0983800b2df6ed60a38a32e0565b75
[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/arnavb/tree-clone-rs:/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] 6366788f7ec7c534dc1f1ea40e027b43e0d907d9c7054b25068da1ec912618fe
[INFO] running `"docker" "start" "-a" "6366788f7ec7c534dc1f1ea40e027b43e0d907d9c7054b25068da1ec912618fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tree_clone_rs-ff5554ef36b0dbd2
[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" "6366788f7ec7c534dc1f1ea40e027b43e0d907d9c7054b25068da1ec912618fe"`
[INFO] running `"docker" "rm" "-f" "6366788f7ec7c534dc1f1ea40e027b43e0d907d9c7054b25068da1ec912618fe"`
[INFO] [stdout] 6366788f7ec7c534dc1f1ea40e027b43e0d907d9c7054b25068da1ec912618fe