[INFO] updating cached repository Juici/degreen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Juici/degreen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Juici/degreen" "work/ex/beta-1.37-6/sources/1.36.0/gh/Juici/degreen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Juici/degreen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Juici/degreen" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Juici/degreen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Juici/degreen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 985592f4607cf089ed2b3546ab4af48a7706dd98
[INFO] sha for GitHub repo Juici/degreen: 985592f4607cf089ed2b3546ab4af48a7706dd98
[INFO] validating manifest of Juici/degreen on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Juici/degreen on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Juici/degreen
[INFO] finished frobbing Juici/degreen
[INFO] frobbed toml for Juici/degreen written to work/ex/beta-1.37-6/sources/1.36.0/gh/Juici/degreen/Cargo.toml
[INFO] started frobbing Juici/degreen
[INFO] finished frobbing Juici/degreen
[INFO] frobbed toml for Juici/degreen written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Juici/degreen/Cargo.toml
[INFO] crate Juici/degreen already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Juici/degreen against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Juici/degreen:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e23085430b885eb3d2597052c483ca41d25eb0b0e5d9a78202e283bba5be07d6
[INFO] running `"docker" "start" "-a" "e23085430b885eb3d2597052c483ca41d25eb0b0e5d9a78202e283bba5be07d6"`
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling pkg v1.1.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling degreen v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cause(&self) -> Option<&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 12.88s
[INFO] running `"docker" "inspect" "e23085430b885eb3d2597052c483ca41d25eb0b0e5d9a78202e283bba5be07d6"`
[INFO] running `"docker" "rm" "-f" "e23085430b885eb3d2597052c483ca41d25eb0b0e5d9a78202e283bba5be07d6"`
[INFO] [stdout] e23085430b885eb3d2597052c483ca41d25eb0b0e5d9a78202e283bba5be07d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Juici/degreen:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35dd393d5bb1391532f43f8a256685e4a2c6eec3661eba65c0edcb22595515b1
[INFO] running `"docker" "start" "-a" "35dd393d5bb1391532f43f8a256685e4a2c6eec3661eba65c0edcb22595515b1"`
[INFO] [stderr]    Compiling degreen v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cause(&self) -> Option<&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 0.94s
[INFO] running `"docker" "inspect" "35dd393d5bb1391532f43f8a256685e4a2c6eec3661eba65c0edcb22595515b1"`
[INFO] running `"docker" "rm" "-f" "35dd393d5bb1391532f43f8a256685e4a2c6eec3661eba65c0edcb22595515b1"`
[INFO] [stdout] 35dd393d5bb1391532f43f8a256685e4a2c6eec3661eba65c0edcb22595515b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Juici/degreen:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c4517f543150ec53e08356b02ffeb52e6b4a1f06e352430e9f9b8438391ee21e
[INFO] running `"docker" "start" "-a" "c4517f543150ec53e08356b02ffeb52e6b4a1f06e352430e9f9b8438391ee21e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/degreen-51bf9c73b798e060
[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" "c4517f543150ec53e08356b02ffeb52e6b4a1f06e352430e9f9b8438391ee21e"`
[INFO] running `"docker" "rm" "-f" "c4517f543150ec53e08356b02ffeb52e6b4a1f06e352430e9f9b8438391ee21e"`
[INFO] [stdout] c4517f543150ec53e08356b02ffeb52e6b4a1f06e352430e9f9b8438391ee21e