[INFO] crate write_ref 0.1.1 is already in cache
[INFO] extracting crate write_ref 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/write_ref/0.1.1
[INFO] extracting crate write_ref 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/write_ref/0.1.1
[INFO] validating manifest of write_ref-0.1.1 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 write_ref-0.1.1 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 write_ref-0.1.1
[INFO] finished frobbing write_ref-0.1.1
[INFO] frobbed toml for write_ref-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/write_ref/0.1.1/Cargo.toml
[INFO] started frobbing write_ref-0.1.1
[INFO] finished frobbing write_ref-0.1.1
[INFO] frobbed toml for write_ref-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/write_ref/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing write_ref-0.1.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/write_ref/0.1.1:/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] 19bce62a6b4719059ba1a66bf02ac1e44bdd2263ee8a910013b1fbff031efa45
[INFO] running `"docker" "start" "-a" "19bce62a6b4719059ba1a66bf02ac1e44bdd2263ee8a910013b1fbff031efa45"`
[INFO] [stderr]    Compiling write_ref v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "19bce62a6b4719059ba1a66bf02ac1e44bdd2263ee8a910013b1fbff031efa45"`
[INFO] running `"docker" "rm" "-f" "19bce62a6b4719059ba1a66bf02ac1e44bdd2263ee8a910013b1fbff031efa45"`
[INFO] [stdout] 19bce62a6b4719059ba1a66bf02ac1e44bdd2263ee8a910013b1fbff031efa45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/write_ref/0.1.1:/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] ce3e48e7a5b6e0944b91f6b64d5766bc92c98739a9fd703163623e698e97b029
[INFO] running `"docker" "start" "-a" "ce3e48e7a5b6e0944b91f6b64d5766bc92c98739a9fd703163623e698e97b029"`
[INFO] [stderr]    Compiling write_ref v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "ce3e48e7a5b6e0944b91f6b64d5766bc92c98739a9fd703163623e698e97b029"`
[INFO] running `"docker" "rm" "-f" "ce3e48e7a5b6e0944b91f6b64d5766bc92c98739a9fd703163623e698e97b029"`
[INFO] [stdout] ce3e48e7a5b6e0944b91f6b64d5766bc92c98739a9fd703163623e698e97b029
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/write_ref/0.1.1:/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] ff1844d54fb3b04fed367aeccfabe0f2b680cabdff6370aee30dfb94cb46e65f
[INFO] running `"docker" "start" "-a" "ff1844d54fb3b04fed367aeccfabe0f2b680cabdff6370aee30dfb94cb46e65f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/write_ref-cb48db7726686489
[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] [stderr]    Doc-tests write_ref
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - WriteSlice (line 67) ... ok
[INFO] [stdout] test src/lib.rs - WriteRef (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ff1844d54fb3b04fed367aeccfabe0f2b680cabdff6370aee30dfb94cb46e65f"`
[INFO] running `"docker" "rm" "-f" "ff1844d54fb3b04fed367aeccfabe0f2b680cabdff6370aee30dfb94cb46e65f"`
[INFO] [stdout] ff1844d54fb3b04fed367aeccfabe0f2b680cabdff6370aee30dfb94cb46e65f