[INFO] updating cached repository paulprimus/yanky
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paulprimus/yanky
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paulprimus/yanky" "work/ex/beta-1.38-1/sources/1.37.0/gh/paulprimus/yanky"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/paulprimus/yanky'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulprimus/yanky" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paulprimus/yanky"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paulprimus/yanky'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3398fa8cce81ae6c6d56c1504cf6a5ee69a55a89
[INFO] sha for GitHub repo paulprimus/yanky: 3398fa8cce81ae6c6d56c1504cf6a5ee69a55a89
[INFO] validating manifest of paulprimus/yanky 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 paulprimus/yanky 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 paulprimus/yanky
[INFO] finished frobbing paulprimus/yanky
[INFO] frobbed toml for paulprimus/yanky written to work/ex/beta-1.38-1/sources/1.37.0/gh/paulprimus/yanky/Cargo.toml
[INFO] started frobbing paulprimus/yanky
[INFO] finished frobbing paulprimus/yanky
[INFO] frobbed toml for paulprimus/yanky written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paulprimus/yanky/Cargo.toml
[INFO] crate paulprimus/yanky 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing paulprimus/yanky 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-4/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/paulprimus/yanky:/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] be2e9bcfd4da645f171e40676fb12d04422916f3f92ad8361acbab1388506827
[INFO] running `"docker" "start" "-a" "be2e9bcfd4da645f171e40676fb12d04422916f3f92ad8361acbab1388506827"`
[INFO] [stderr]    Compiling yanky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             BLANK => {
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             LINE_BREAK => {
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "be2e9bcfd4da645f171e40676fb12d04422916f3f92ad8361acbab1388506827"`
[INFO] running `"docker" "rm" "-f" "be2e9bcfd4da645f171e40676fb12d04422916f3f92ad8361acbab1388506827"`
[INFO] [stdout] be2e9bcfd4da645f171e40676fb12d04422916f3f92ad8361acbab1388506827
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/paulprimus/yanky:/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] c89774d150e59127a1efc54eb0c745a19c62920f9bfb74aedf9b5ee6c1a09a1e
[INFO] running `"docker" "start" "-a" "c89774d150e59127a1efc54eb0c745a19c62920f9bfb74aedf9b5ee6c1a09a1e"`
[INFO] [stderr]    Compiling yanky v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             BLANK => {
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             LINE_BREAK => {
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "c89774d150e59127a1efc54eb0c745a19c62920f9bfb74aedf9b5ee6c1a09a1e"`
[INFO] running `"docker" "rm" "-f" "c89774d150e59127a1efc54eb0c745a19c62920f9bfb74aedf9b5ee6c1a09a1e"`
[INFO] [stdout] c89774d150e59127a1efc54eb0c745a19c62920f9bfb74aedf9b5ee6c1a09a1e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/paulprimus/yanky:/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] e0e122831aeae520a409d2040b36a035bde5eb9cea8f67691c1b17292ecb5810
[INFO] running `"docker" "start" "-a" "e0e122831aeae520a409d2040b36a035bde5eb9cea8f67691c1b17292ecb5810"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yanky-16cdeb85ab9fb786
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e0e122831aeae520a409d2040b36a035bde5eb9cea8f67691c1b17292ecb5810"`
[INFO] running `"docker" "rm" "-f" "e0e122831aeae520a409d2040b36a035bde5eb9cea8f67691c1b17292ecb5810"`
[INFO] [stdout] e0e122831aeae520a409d2040b36a035bde5eb9cea8f67691c1b17292ecb5810