[INFO] updating cached repository mythmon/powar
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mythmon/powar
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/powar" "work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/powar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/powar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/powar" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mythmon/powar"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mythmon/powar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a650b3767a518659777fdb5f6c9ec8b9ff2ec5a
[INFO] sha for GitHub repo mythmon/powar: 3a650b3767a518659777fdb5f6c9ec8b9ff2ec5a
[INFO] validating manifest of mythmon/powar 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 mythmon/powar 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 mythmon/powar
[INFO] finished frobbing mythmon/powar
[INFO] frobbed toml for mythmon/powar written to work/ex/beta-1.38-1/sources/1.37.0/gh/mythmon/powar/Cargo.toml
[INFO] started frobbing mythmon/powar
[INFO] finished frobbing mythmon/powar
[INFO] frobbed toml for mythmon/powar written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mythmon/powar/Cargo.toml
[INFO] crate mythmon/powar 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 mythmon/powar 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/mythmon/powar:/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] 9f45131c445453e6cd300ba934000e7bc3fb5347d28f0eaeb1078a043953d01b
[INFO] running `"docker" "start" "-a" "9f45131c445453e6cd300ba934000e7bc3fb5347d28f0eaeb1078a043953d01b"`
[INFO] [stderr]    Compiling powar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:92:22
[INFO] [stderr]    |
[INFO] [stderr] 92 |         Ok(try!(prop.trim_right().to_string().parse::<T>()))
[INFO] [stderr]    |                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "9f45131c445453e6cd300ba934000e7bc3fb5347d28f0eaeb1078a043953d01b"`
[INFO] running `"docker" "rm" "-f" "9f45131c445453e6cd300ba934000e7bc3fb5347d28f0eaeb1078a043953d01b"`
[INFO] [stdout] 9f45131c445453e6cd300ba934000e7bc3fb5347d28f0eaeb1078a043953d01b
[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/mythmon/powar:/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] e418bcb09f33cb0b2bb03271839b8fa5cb7579958e8fa7e49190a92f1f94a03b
[INFO] running `"docker" "start" "-a" "e418bcb09f33cb0b2bb03271839b8fa5cb7579958e8fa7e49190a92f1f94a03b"`
[INFO] [stderr]    Compiling powar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:38:32
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:92:22
[INFO] [stderr]    |
[INFO] [stderr] 92 |         Ok(try!(prop.trim_right().to_string().parse::<T>()))
[INFO] [stderr]    |                      ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "e418bcb09f33cb0b2bb03271839b8fa5cb7579958e8fa7e49190a92f1f94a03b"`
[INFO] running `"docker" "rm" "-f" "e418bcb09f33cb0b2bb03271839b8fa5cb7579958e8fa7e49190a92f1f94a03b"`
[INFO] [stdout] e418bcb09f33cb0b2bb03271839b8fa5cb7579958e8fa7e49190a92f1f94a03b
[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/mythmon/powar:/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] cb006090a0527f867fec295c40c49bf0dca197c3cfa86638172e76273e62c0db
[INFO] running `"docker" "start" "-a" "cb006090a0527f867fec295c40c49bf0dca197c3cfa86638172e76273e62c0db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/powar-180305be775c105d
[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" "cb006090a0527f867fec295c40c49bf0dca197c3cfa86638172e76273e62c0db"`
[INFO] running `"docker" "rm" "-f" "cb006090a0527f867fec295c40c49bf0dca197c3cfa86638172e76273e62c0db"`
[INFO] [stdout] cb006090a0527f867fec295c40c49bf0dca197c3cfa86638172e76273e62c0db